EnOcean STM300C Transceiver Module User Manual STM 300 V0 90wip

EnOcean GmbH Transceiver Module STM 300 V0 90wip

1. User Manual
2. User Manual II

User Manual

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USER MANUAL
V0.90
Scavenger Transceiver Module
STM 300 / STM 300C
February 26, 2010
Observe precautions! Electrostatic sensitive devices!
Patent protected:
WO98/36395, DE 100 25 561, DE 101 50 128,
WO 2004/051591, DE 103 01 678 A1, DE 10309334,
WO 04/109236, WO 05/096482, WO 02/095707,
US 6,747,573, US 7,019,241
EnOcean GmbH
Kolpingring 18a
82041 Oberhaching
Germany
Phone +49.89.67 34 689-0
Fax
+49.89.67 34 689-50
info@enocean.com
www.enocean.com
Subject to modifications
STM 300 / STM 300C User Manual V0.90
February 26, 2010 2:18 PM
Page 1/36
USER MANUAL
V0.90
STM 300 / STM 300C
REVISION HISTORY
The following major modifications and improvements have been made to the first version of
this document:
No
0.6
0.7
0.75
0.8
0.9
Major Changes
Chapter 4 (Agency certifications) modified;
Chapter 2.8.1 Order of Data Bytes for 10/8/6 bit option modified
Drawing in 1.3 corrected; Chapter 3.4 and 3.5 modified.
Charging circuit in chapter 3.1 modified
Additional function on pin WXIDIO; charging circuit in chapter 3.1 modified; programmable delay time for measurement added in 2.8.2; operating temperature
range limited to -25 °C/+85 °C; deep sleep current increased to 0.2 µA; RX sensitivity reduced to -94 dBm; Layout recommendation in 3.5 modified; Maximum Ratings (non-operating) modified in 2.4, Maximum Ratings (operating) added in 2.5
Section 2.7 and 2.11 modified. Max output currents in 2.3 reduced
ECS 3x0 solar cells mentioned. Receive current increased to typ.33 mA; Section
2.7 and 2.3.2 modified; Section 3.4 inserted; recommended foot pattern added in
3.6; new drawing in 1.3; section 3.8 Tape&Reel spec added; RX sensitivity reduced
to -93 dBm
Max. ripple at VDD reduced to 50 mVpp; Connect external 1 kΩ pull-down to RESET and PROG_EN.
Published by EnOcean GmbH, Kolpingring 18a, 82041 Oberhaching, Germany
www.enocean.com, info@enocean.com, phone ++49 (89) 6734 6890
© EnOcean GmbH
All Rights Reserved
Important!
This information describes the type of component and shall not be considered as assured characteristics. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications
are subject to change without notice. For the latest product specifications, refer to the EnOcean website: http://www.enocean.com.
As far as patents or other rights of third parties are concerned, liability is only assumed for modules,
not for the described applications, processes and circuits.
EnOcean does not assume responsibility for use of modules described and limits its liability to the
replacement of modules determined to be defective due to workmanship. Devices or systems containing RF components must meet the essential requirements of the local legal authorities.
The modules must not be used in any relation with equipment that supports, directly or indirectly,
human health or life or with applications that can result in danger for people, animals or real value.
Components of the modules are considered and should be disposed of as hazardous waste. Local
government regulations are to be observed.
Packing: Please use the recycling operators known to you. By agreement we will take packing material back if it is sorted. You must bear the costs of transport. For packing material that is returned to
us unsorted or that we are not obliged to accept, we shall have to invoice you for any costs incurred.
© 2010 EnOcean | www.enocean.com
STM 300 / STM 300C User Manual V0.90 | Page 2/36
USER MANUAL
V0.90
STM 300 / STM 300C
TABLE OF CONTENT
1.1
1.2
1.3
1.4
1.5
GENERAL DESCRIPTION ............................................................................... 4
Basic functionality ....................................................................................... 4
Technical data............................................................................................. 5
Physical dimensions ..................................................................................... 5
Environmental conditions.............................................................................. 6
Ordering Information ................................................................................... 6
FUNCTIONAL DESCRIPTION .......................................................................... 7
2.1 Simplified firmware flow chart and block diagram............................................. 7
2.2 Hardware pin out......................................................................................... 9
2.3 Pin description and operational characteristics ................................................. 9
2.3.1 Interface supply voltage ..........................................................................11
2.3.2 Analog and digital inputs .........................................................................11
2.4 Absolute maximum ratings (non operating)....................................................12
2.5 Maximum ratings (operating) .......................................................................12
2.6 Power management and voltage regulators ....................................................12
2.7 Charge control output (CCO)........................................................................13
2.8 Configuration .............................................................................................14
2.8.1 Configuration via pins .............................................................................14
2.8.2 Configuration via serial interface...............................................................15
2.9 Radio telegram ..........................................................................................16
2.9.1 Normal operation....................................................................................16
2.9.2 Teach-in telegram ..................................................................................17
2.10 Transmit timing.....................................................................................17
2.11 Energy consumption ..............................................................................18
APPLICATIONS INFORMATION ......................................................................19
3.1 How to connect an energy harvester and energy storage..................................19
3.2 Using the SCO pin ......................................................................................20
3.3 Using the WAKE pins...................................................................................20
3.4 Using RVDD...............................................................................................21
3.5 Antenna options .........................................................................................22
3.5.1 Overview...............................................................................................22
3.5.2 Whip antenna ........................................................................................23
3.5.3 Chip antenna .........................................................................................24
3.5.4 Splatch antenna .....................................................................................26
3.5.5 Helical antenna ......................................................................................27
3.6 Layout recommendations for foot pattern.......................................................28
3.7 Soldering information..................................................................................31
3.8 Tape & Reel specification .............................................................................32
3.9 Transmission range ....................................................................................33
AGENCY CERTIFICATIONS (after release for series production) .........................34
4.1 CE Approval...............................................................................................34
4.2 FCC (United States) certification ...................................................................35
4.3 IC (Industry Canada) certification .................................................................36
© 2010 EnOcean | www.enocean.com
STM 300 / STM 300C User Manual V0.90 | Page 3/36
USER MANUAL
V0.90
STM 300 / STM 300C
GENERAL DESCRIPTION
1.1
Basic functionality
The extremely power saving RF transmitter
module STM 300 of EnOcean enables the
realization of wireless and maintenance free
sensors and actuators such as room
operating panels, motion sensors or valve
actuators for heating control.
Power supply is provided by an external
energy harvester, e.g. a small solar cell (e.g.
EnOcean ECS 3x0) or a thermal harvester.
An energy storage device can be connected
externally to bridge periods with no supply
from the energy harvester. A voltage limiter avoids damaging of the module when the supply from the energy harvester gets too high. The module provides a user configurable cyclic
wake up. After wake up a radio telegram (input data, unique 32 bit sensor ID, checksum)
will be transmitted in case of a change of any digital input value compared to the last sending or in case of a significant change of measured analogue values (different input sensitivities can be selected). In case of no relevant input change a redundant retransmission signal
is sent after a user configurable number of wake-ups to announce all current values. In
addition a wake up can be triggered externally.
Features with built-in firmware
3 A/D converter inputs
4 digital inputs
Configurable wake-up and transmission cycle
Wake-up via Wake pins
Voltage limiter
Threshold detector
Application notes for calculation of energy budgets and management of external energy
storages

Product variants
STM 300/300C: SMD mountable module for use with external antenna (868/315 MHz)
Features accessible via API
Using the Dolphin API library it is possible to write custom firmware for the module.
STM 300 / STM 300C is in-system programmable. The API provides:

Integrated 16 MHz 8051 CPU with 32 KB FLASH and 2 kB SRAM
Receiver functionality
Various power down and sleep modes down to 0.2 µA current consumption
Up to 16 configurable I/Os
10 bit ADC, 8 bit DAC
© 2010 EnOcean | www.enocean.com
STM 300 / STM 300C User Manual V0.90 | Page 4/36
USER MANUAL
V0.90
STM 300 / STM 300C
1.2
Technical data
Antenna
Frequency
Radio Standard
Data rate/Modulation type
Receiver Sensitivity (at 25°C)
Conducted Output Power
Power Supply
Current Consumption
Input Channels
4x digital input, 2x WAKE input , 3x analog input
Resolution: 3x 8 bit or 1x 10 bit, 1x 8 bit, 1x 6 bit
R&TTE EN 300 220 (STM 300)
FCC CFR-47 Part 15 (STM 300C)
Radio Regulations
1.3
External whip or 50 Ω antenna mountable
315.0 MHz (STM 300C)/868.3 MHz (STM 300)
EnOcean 868 MHz/315 MHz
125 kbps/ASK
typ. –93 dBm, receiver available only via API
typ. 5 dBm
2.1 V–4.5 V, 2.6 V needed for start-up
Deep Sleep mode : typ. 0.2 µA
Transmit mode: typ. 24 mA, max. 33 mA
Receive mode (available via API only): typ. 33 mA, max. 43 mA
Physical dimensions
PCB dimensions
STM 300/STM 300C: 22x19x3.1 mm
Unless otherwise specified dimensions are in mm.
Tolerances:
PCB outline dimensions ±0.2 mm
All other tolerances ±0.1 mm
STM 300 / STM 300C (pads on bottom side of PCB!)
© 2010 EnOcean | www.enocean.com
STM 300 / STM 300C User Manual V0.90 | Page 5/36
USER MANUAL
V0.90
STM 300 / STM 300C
1.4
Environmental conditions
Operating temperature
-25 °C … +85 °C
Storage temperature
-40 °C … +85 °C
Storage temperature in tape & reel package
-20 °C … +50 °C
Humidity
1.5
0% … 93% r.h., non-condensing
Ordering Information
Type
STM 300
STM 300C
Ordering Code
S3001-D300
S3031-D300
Frequency
868.3 MHz
315.0 MHz
Suited solar cells (for technical details please refer to the ECS3x0 data sheet):
Type
ECS 300
ECS 310
Ordering Code
S3005-D305
S3005-D310
© 2010 EnOcean | www.enocean.com
Size
35.0×12.8×1.1 mm
50.0×20.0×1.1 mm
STM 300 / STM 300C User Manual V0.90 | Page 6/36
USER MANUAL
V0.90
STM 300 / STM 300C
FUNCTIONAL DESCRIPTION
2.1
Simplified firmware flow chart and block diagram
© 2010 EnOcean | www.enocean.com
STM 300 / STM 300C User Manual V0.90 | Page 7/36
USER MANUAL
V0.90
STM 300 / STM 300C
RF_50
RF_WHIP
VDD
VDDLIM
BALUN
16MHz Oscillator
RF Transceiver
DOLPHIN
EO3000I
V_OUT
DVDD
UVDD
Micro
Controller
Spontaneous
wake-up
Presence Signal
(every 1s ,10s , 100s,
or SW defined)
(every 100th,
every 10th,
every cyclic wake-up
or SW defined)
CP_0
A/D
CP_1
26
DVDD
VDD
XTAL
16MHz
VDDLIM
GND
IOVDD
Antenna
balun
RSDADIO3
EO3000I
RF_WHIP
WSDADIO2
GND
SCLKDIO1
RF_50
SCSEDIO0
STM300 – TOP VIEW 18
© 2010 EnOcean | www.enocean.com
PROG_EN
GND
ADIO7
ADIO6
ADIO5
ADIO4
ADIO3
ADIO2
ADIO1
ADIO0
RVDD
AD_0
AD_1
AD_2
GND
WXIDIO
WXODIO
GND
GND
UVDD
WAKE0
WAKE1
CCO
GND
DI_0
DI_1
DI_2
DI_3
LED
IOVDD
SCO
Cyclic Wake-up
RESET
GND
Digital
Inputs
RESET
CW_1
CW_0
Power management
GND
WAKE0
LRN
868.3 MHz (STM300)
315.0 MHz (STM300C)
STM 300 / STM 300C User Manual V0.90 | Page 8/36
USER MANUAL
V0.90
STM 300 / STM 300C
2.2
Hardware pin out
The figure above shows the pin out of the STM 300 hardware. The pins are named according to the naming of the EO3000I chip to simplify usage of the DOLPHIN API.
The table in section 2.3 shows the translation of hardware pins to a naming the fits the
functionality of the built-in firmware.
2.3
Pin description and operational characteristics
STM 300
Hardware
Symbol
GND
VDD
STM 300
Firmware
Symbol
GND
VDD
RVDD
V_OUT
DVDD
DVDD
UVDD
UVDD
VDDLIM
VDDLIM
IOVDD
IOVDD
RESET
RESET
PROG_EN
PROG_EN
ADIO0
AD_0
ADIO1
AD_1
ADIO2
AD_2
ADIO3
DI_0
ADIO4
DI_1
ADIO5
DI_2
© 2010 EnOcean | www.enocean.com
Function
Characteristics
Ground connection Must be connected to GND
Supply voltage
2.1 V – 4.5 V; Start-up voltage: 2.6 V
Maximum ripple: see 2.6
RF supply voltage
1.8 V. Output current: max. 10 mA.
See 3.4!
regulator output
Supply for external circuitry, available
while not in deep sleep mode.
Digital supply volt- 1.8 V. Output current: max. 5 mA
age regulator out- Supply for external circuitry, available
put
while not in deep sleep mode.
Ultra low power
Not for supply of external circuitry!
For use with WAKE pins, see section 3.3.
supply voltage
regulator output
Max. 1 µA output current!
Supply voltage
Limitation voltage: 4.5 V
limiter input
Maximum shunting current: 50 mA
Digital interface
Must be connected to desired interface
supply voltage
supply between 1.8 V and 3.3 V, e.g. to
DVDD. See also 2.3.1
Reset input
Active high reset (1.8 V)
Programming I/F
Connect external 1 kΩ pull-down.
Programming I/F
HIGH: programming mode active
LOW: operating mode
Digital input, connect external 1 kΩ pulldown.
Analog input
Input read ~2 ms after wake-up.
Resolution 8bit. See also 2.3.2.
Analog input
Input read ~2 ms after wake-up.
Resolution 8 bit (default) or 10 bit.
See also 2.3.2.
Analog input
Input read ~2 ms after wake-up.
Resolution 8 bit (default) or 6 bit.
See also 2.3.2.
Digital input
Input read ~2 ms after wake-up.
See also 2.3.2.
Digital input
Input read ~2 ms after wake-up.
See also 2.3.2.
Digital input
Input read ~2 ms after wake-up.
See also 2.3.2.
STM 300 / STM 300C User Manual V0.90 | Page 9/36
USER MANUAL
V0.90
STM 300 / STM 300C
ADIO6
DI_3
Digital input
ADIO7
LED
Transmission
indicator LED
SCSEDIO0
CW_1
SCLKDIO1
CW_0
WSDADIO2
CP_1
RSDADIO3
CP_0
WXIDIO
SCO
Programming I/F
Encoding input for
wake-up cycle
Programming I/F
Encoding input for
wake-up cycle
Programming I/F
Encoding input for
retransmission
Programming I/F
Encoding input for
retransmission
Programming I/F
Sensor control
WXODIO
CCO
Charge control
WAKE0
WAKE0
Wake input
WAKE1
LRN
LRN input
RF_WHIP
RF_50
RF_WHIP
RF_50
RF output
RF output
© 2010 EnOcean | www.enocean.com
Input read ~2 ms after wake-up.
See also 2.3.2.
Max. output current:
2 mA @ IOVDD=3.3 V
0.65 mA @ IOVDD=1.8 V
Leave open or connect to GND
Leave open or connect to GND
Leave open or connect to GND
Leave open or connect to GND
Digital output, max. current 15 µA
HIGH ~x ms before analog inputs are read
(x=0…508 ms; default 2 ms.)
LOW at wake-up and after reading of
analog inputs
Polarity can be inverted, delay time can be
programmed, see 2.8.2.
Max output current 15 µA
See 2.7 for description of behaviour.
Change of logic state leads to wake-up and
transmission of a telegram. See also 3.3.
Change of logic state to LOW leads to
wake-up and transmission of teach-in telegram if a manufacturer code is programmed. See also 2.9.2 and 3.3.
Output for whip antenna
50 Ohm output for external antenna
STM 300 / STM 300C User Manual V0.90 | Page 10/36
USER MANUAL
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STM 300 / STM 300C
2.3.1 Interface supply voltage
For digital communication with other circuitry (peripherals) the digital I/O configured pins
of the mixed signal sensor interface (ADIO0 to ADIO7) and the pins of the serial interface
(SCSEDIO0, SCLKDIO1, WSDADIO2, RSDADIO3) may be operated from supply voltages
different from DVDD. Therefore an interface supply voltage pin IOVDD is available which
can be connected either to DVDD or to an external supply within the tolerated voltage
range of IOVDD. Please note that the wristwatch XTAL I/Os WXIDIO and WXODIO are always supplied from UVDD.
If DVDD=0 V (e.g. in any sleepmode) and IOVDD is supplied, there may be unpredictable and varying current from IOVDD caused by internal floating nodes. It
must be taken care that the current into IOVDD does not exceed 10 mA while
DVDD=0 V.
If DVDD=0 V and IOVDD is not supplied, do not apply voltage to any above mentioned pin. This may lead to unpredictable malfunction of the device.
IOVDD voltage must not exceed VDD voltage! A malfunction of the module may be
caused by such inverse supply!
For I/O pins configured as analog pins the IOVDD voltage level is not relevant!
2.3.2 Analog and digital inputs
Parameter
Analog Input
Measurement range
Conditions / Notes
Min
Single ended
Input coupling
Measurement bandwidth
Input resistance
Typ
0.05
RVDD0.05
DC
100
Single ended against
RGND @ 1 kHz
Input capacitance
Single ended against
RGND @ 1 kHz
Effective measurement resolution Configurable, see 2.8.2
Related to the reference
Relative measurement accuracy
voltage within specified
input range
Digital Input Mode
10
© 2010 EnOcean | www.enocean.com
90
38
10
pF
10
0.6
bit
Input LOW voltage
@IOVDD=1.7 … 1.9 V
@IOVDD=3.0 … 3.6 V
Units
kHz
MΩ
2/3
IOVDD
Input HIGH voltage
Pull up resistor
Max
132
54
1/3
IOVDD
200
85
kΩ
kΩ
STM 300 / STM 300C User Manual V0.90 | Page 11/36
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V0.90
STM 300 / STM 300C
2.4
Absolute maximum ratings (non operating)
Symbol Parameter
VDD
Supply voltage at VDD and VDDLIM
VDDLIM
Supply voltage for mixed signal sensor interface and
IOVDD
serial interface pins
GND
Ground connection
VINA
Voltage at every analog input pin
Voltage at RESET, WAKE0/1, and every digital input
VIND1
pin except WXIDIO/WXODIO
VIND2
Voltage at WXIDIO / WXODIO input pin
2.5
Min
-0.5
Max
5.5
-0.5
3.6
-0.5
-0.5
3.6
-0.5
Maximum ratings (operating)
Symbol Parameter
VDD
Supply voltage at VDD and VDDLIM
VDDLIM
Min
VOFF
Max
4.5
1.7
IOVDD
Digital interface supply voltage (see also 2.3.1)
GND
VINA
Ground connection
Voltage at every analog input pin
Voltage at RESET, WAKE0/1, and every digital input
pin except WXIDIO / WXODIO
Voltage at WXIDIO / WXODIO input pin
VIND1
VIND2
2.6
Units
Units
MIN
(3.6;
VDD)
2.0
3.6
2.0
Power management and voltage regulators
Symbol Parameter
Conditions / Notes
Voltage Regulators
Ripple on VDD, where
VDDR
Min(VDD) > VON
UVDD
Ultra Low Power supply
RVDD
RF supply
DVDD
Digital supply
Voltage Limiter
VLIM
Limitation voltage
ILIM
Shunting current
Threshold Detector
VON
Turn on threshold
Automatic shutdown if
VOFF
Turn off threshold
VDD drops below VOFF
© 2010 EnOcean | www.enocean.com
Min
1.7
1.7
Typ
1.8
1.8
1.8
Max
Units
50
mVpp
1.9
1.9
50
mA
2.6
2.1
4.5
2.3
1.85
2.45
1.9
STM 300 / STM 300C User Manual V0.90 | Page 12/36
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STM 300 / STM 300C
Voltage Limiter
STM 300 provides a voltage limiter which limits the supply voltage VDD of STM 300 to a
value VDDLIM which is slightly below the maximum VDD ratings by shunting of sufficient
current.
Threshold detector
STM 300 provides an ultra low power ON/OFF threshold detector. If VDD > VON, it turns on
the ultra low power regulator (UVDD), the watchdog timer and the WAKE# pins circuitry. If
VDD ≤ VOFF it initiates the automatic shut down of STM 300.
2.7
Charge control output (CCO)
After startup STM 300 provides the output signal of the threshold detector at CCO.
CCO is supplied by UVDD. The output value remains stable also when STM 300 is in deep
sleep mode.
Behavior of CCO
At power up: TRISTATE until VDD>VON then HIGH
if VDD>VON then HIGH
if VDD VON
VDD < VON
VON
VDD < VOFF
VOFF
1.8V
~0.9V
High
Impedance
0V
High
Impedance
For definition of VON and VOFF please refer to 2.6.
© 2010 EnOcean | www.enocean.com
STM 300 / STM 300C User Manual V0.90 | Page 13/36
USER MANUAL
V0.90
STM 300 / STM 300C
2.8
Configuration
2.8.1 Configuration via pins
The encoding input pins have to be left open or connected to GND in correspondence with
the following connection schemes. These settings are checked at every wake-up.
Wake-up cycle time
CW_0
CW_1
Wake-up cycle time
NC
NC
1 s ±20%
GND
NC
10 s ±20%
NC
GND
100 s ±20%
GND
GND
No cyclic wake-up
Redundant retransmission
Via CP_0 and CP_1 an internal counter is set which is decreased at every wake-up signal.
Once the counter reaches zero the redundant retransmission signal is sent.
CP_0 CP_1
NC
NC
Number of wake-ups that
trigger a redundant retransmission
Every timer wake-up signal
GND
NC
Every 7th - 14th timer wake-up signal, affected at random
NC
GND
Every 70th - 140th timer wake-up signal, affected at random
GND
GND
No redundant retransmission
A radio telegram is always transmitted after wake-up via WAKE pins!
After transmission the counter is reset to a random value within the specified interval.
According to FCC 15.231a) a redundant retransmission at every timer wake-up to
determine the system integrity is only allowed in safety and security applications!
In this case the total transmission time must not exceed two seconds per hour,
which means that a combination with a 1 s wake-up cycle time is not allowed!
If applied in other (non-safety, non-security) applications a minimum of 10 s between periodic transmissions is required. In addition the device has to comply with
the lower field strength limits of 15.231e). The limited modular approval of STM
300C is not valid in this case.
© 2010 EnOcean | www.enocean.com
STM 300 / STM 300C User Manual V0.90 | Page 14/36
USER MANUAL
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STM 300 / STM 300C
2.8.2 Configuration via serial interface
Via the programming interface the configuration area can be modified. This provides a lot
more configuration options. Values set via serial interface override hardware settings!
These settings are read after RESET or power-on reset only and not at every wake-up of
the module!
Parameter
Configuration
via pins
Configuration
via serial interface
Value can be set from 1 s to 65534 s
Wake up cycle
See section 2.8.1
Redundant
Retransmission cycle
See section 2.8.1
Min…Max values for random interval
If Min=Max -> random switched off
Threshold values for
analog inputs
No
The default values are: 5 LSB at AD_1 input, 6
LSB at AD_0 and 14 LSB at AD_2.
The threshold value can be set between 0 and
full scale for every input individually.
Resolution of the analog
inputs
No
Default: AD_0: 8 bit, AD_1: 8 bit, AD_2: 8 bit
Option: AD_0: 10 bit, AD_1: 6 bit, AD_2: 8 bit
Input mask
No
A digital input mask for ignoring changes on
digital input pins. At default all input bits are
checked.
Delay time between SCO on
and sampling moment
No
Value can be set from 0 ms to 508 ms in steps
of 2 ms. Default delay time is 2 ms.
Source of AD_2
No
Select if AD_2 contains measurement value of
external ADIO2 pin or from internal VDD/4
Polarity of SCO signal
No
Polarity can be inversed.
Edge of wake pin change
causing a telegram transmission
No
Every change of a wake pin triggers a wake-up.
For both wake pins it can be configured individually if a telegram shall be sent on rising,
falling or both edges.
Manufacturer ID and EEP
No
(EnOcean Equipment Profile)
Information about manufacturer and type of
device. This feature is needed for “automatic”
interoperability of sensors and actuators or bus
systems. Information how to set these parameters requires an agreement with EnOcean.
Unique manufacturer IDs are distributed by the
EnOcean Alliance.
The interface is shown in the figure below:
USB
Dolphin Studio, or EOP
USB <=> SPI
interface
SPI
Reset
PROG_EN
ADIO7
SCSEDIO0
SCLKDIO1
WSDADIO2
RSDADIO3
STM
300
EnOcean provides EOPx (EnOcean Programmer, a command line program) and Dolphin Studio (Windows application for chip configuration, programming, and testing) and the
USB/SPI programmer device as part of the EDK 300 developer´s kit.
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2.9
Radio telegram
2.9.1 Normal operation
Telegram content (seen at serial interface of RCM 130/TCM 3x0 or at DOLPHIN API):
ORG
= 0x07 (Telegram type “4BS”)
Data_Byte1..3
3x8bit mode:
DATA_BYTE3
DATA_BYTE2
DATA_BYTE1
= Value of AD_2 analog input
= Value of AD_1 analog input
= Value of AD_0 analog input
1x8bit, 1x6it, 1x10bit mode:
DATA_BYTE3
= Value of AD_2
DATA_BYTE2
= Upper 2 bits of AD_0 and value of AD_1
DATA_BYTE1
= Lower 8 bits Value of AD_0 analog input
DATA_BYTE3
AD_2
6 5
4 3
2 1
0 5
DATA_BYTE2
DATA_BYTE1
AD_1
AD_0
4 3
2 1
0 9
8 7
6 5
4 3
2 1
DATA_BYTE0 = Digital sensor inputs as follows:
Bit 7
Bit 0
Reserved, set to 0 DI_3 DI_2 DI_1 DI_0
ID_BYTE3
ID_BYTE2
ID_BYTE1
ID_BYTE0
module
module
module
module
identifier
identifier
identifier
identifier
(Byte3)
(Byte2)
(Byte1)
(Byte0)
The voltages measured at the analog inputs can be calculated from these values as follows:
U=(Value of AD_x)/(2n)x1.8 V
© 2010 EnOcean | www.enocean.com
n=resolution of channel in bit
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2.9.2 Teach-in telegram
In case a manufacturer code is programmed into the module the module transmits – instead of transmitting a normal telegram – a dedicated teach-in telegram if
digital input DI_3=0 at wake-up or
wake-up via WAKE1 pin (LRN input)
With this special teach-in telegram it is possible to identify the manufacturer of a device
and the function and type of a device. There is a list available from the EnOcean Alliance
describing the functionalities of the respective products.
If no manufacturer code is programmed the module does not react to signal
changes on WAKE1 (LRN input)!
ORG
= 0x07 (Telegram type “4BS”)
DATA_BYTE0..3 see below
LRN Type = 1
LRN = 0
DI0..DI2: current status of digital inputs
Profile, Type, Manufacturer-ID defined by manufacturer
RE0..2: set to 0
ID_BYTE3
ID_BYTE2
ID_BYTE1
ID_BYTE0
ORG
module
module
module
module
Data_Byte3
Function
6 Bit
identifier
identifier
identifier
identifier
Data_Byte2
Type Manufacturer7 Bit ID 11 Bit
(Byte3)
(Byte2)
(Byte1)
(Byte0)
Data_Byte1
Data_Byte0
ID
LRN Type RE2 RE1 RE0 LRN DI2 DI1 DI0
1Bit
1Bit 1Bit 1Bit 1Bit 1Bit 1Bit 1Bit
2.10 Transmit timing
The setup of the transmission timing allows avoiding possible
of other EnOcean transmitters as well as disturbances from
transmission cycle, 3 identical subtelegrams are transmitted
sion of a subtelegram lasts approximately 1.2 ms. The delay
sion bursts is affected at random.
collisions with data packages
the environment. With each
within 40 ms. The transmisbetween the three transmis-
If a new wake-up occurs before all sub-telegrams have been sent, the series of
transmissions is stopped and a new series of telegrams with new valid measurement values is transmitted.
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2.11 Energy consumption
100
10
Current [mA]
0.1
0.01
0.001
0.0001
0.00001
10
20
30
40
50
60
70
80
90
100
Time [ms]
Current Consumption of STM 300
Charge needed for one measurement and transmit cycle: ~130 µC
Charge needed for one measurement cycle without transmit: ~30 µC
(current for external sensor circuits not included)
Calculations are performed on the basis of electric charges because of the internal linear
voltage regulator of the module. Energy consumption varies with voltage of the energy
storage while consumption of electric charge is constant.
From these values the following performance parameters have been calculated:
Wake
cycle
[s]
Transmit
interval
Operation Time
in darkness [h]
when storage
fully charged
10
10
10
100
100
100
10
100
10
100
10
100
0.5
1.7
2.1
5.1
16
20
43
98
112
Required reload
time [h] at 200
lux within 24 h
for continuous
operation
24 h operation
after 6 h
illumination
at x lux
storage too small
storage too small
storage too small
storage too small
21
16.8
7.8
3.6
storage too small
storage too small
storage too small
storage too small
700
560
260
120
100
Current
Illuminain µA
tion level
required
in lux for
for concontinuous tinuous
operation operation
5220
1620
1250
540
175
140
65
30
25
130.5
40.5
31.3
13.5
4.4
3.5
1.6
0.8
0.6
Assumptions:
Storage PAS614 with 0.25 F, Umax=3.2 V, Umin=2.2 V
Consumption: Transmit cycle 100 µC, measurement cycle 30 µC
Indoor solar cell, operating values 3 V and 5 µA @ 200 lux fluorescent light
(e.g. ECS 300 solar cell)
Current proportional to illumination level (not true at very low levels!)
These values are calculated values, the accuracy is about +/-20% !
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APPLICATIONS INFORMATION
3.1
How to connect an energy harvester and energy storage
STM 300 is designed for use with an external energy harvester and energy storage.
In order to support a fast start-up and long term operation with no energy supply available
usually two different storages are used. The small storage fills quickly and allows a fast
start-up. The large storage fills slowly but once it is filled up it provides a large buffer for
times where no energy is available, e.g. at night in a solar powered sensor.
STM 300 provides a digital output CCO (see also 2.7) which allows controlling the charging
of these two storages. At the beginning, as long as the voltage is below the VON voltage
only the small storage is filled. Once the threshold is reached the CCO signal changes and
the large storage is filled. The short term storage is usually in the range of 470 µF. For the
long term storage we suggest a gold cap with a capacity of 0.25 F. Below an overview and
the schematics of a charging circuitry is shown:
Solar Panel
(e.g. ECS 3x0)
STM 300
CCO
Charge
Management
Long
Short
term
term
storage storage
VDD
It is important to use matched diode pairs for D2!
This circuit is designed for energy storages specified up to 3.3 V (e.g. PAS614L, please pay
attention to manufacturer´s soldering procedures to avoid damage!). NCP300LSN30 is limiting the voltage at C2 < 3.3 V, to avoid damaging of the energy storage. In case a different voltage limit is needed this component has to be exchanged by a suited variant.
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The recommendation for C1 is TAJY477K006XNJ from AVX (low leakage current!).
The current consumption of this control circuit is very low. During capacitors charging the
current consumption of the charger is about <0.5 µA. In times where no external supply
voltage is available (e.g. at night) only a negligible continuous current of about <20 nA is
required by this circuit.
For a detailed description of the circuit and more information on various energy harvesters
and energy storages please refer to our detailed application notes on this topic.
3.2
Using the SCO pin
STM 300 provides an output signal at SCO which is suited to control the supply of the sensor circuitry. This helps saving energy as the sensor circuitry is only powered as long as
necessary. In the default configuration SCO provides a HIGH signal 2 ms (delay time) before the analog inputs are read. Via the serial interface (see 2.8.2) it is possible to adjust
the delay time and also the polarity of the signal.
The figure above shows, how the SCO pin (with default polarity) can be used to control an
external sensor circuit.
Do not supply sensors directly from SCO as this output can only provide maximum
15 µA!
3.3
Using the WAKE pins
The logic input circuits of the WAKE0 and WAKE1 pins are supplied by UVDD and therefore
also usable in “Deep Sleep Mode” or “Flywheel Sleep Mode” (via API only). Due to current
minimization there is no internal pull-up or pull-down at the WAKE pins.
When STM 300 is in “Deep Sleep Mode” or “Flywheel Sleep Mode” (via API only) and the
logic levels of WAKE0 and / or WAKE1 is changed, STM 300 starts up.
As the there is no internal pull-up or pull-down at the WAKE pins, it has to be ensured by external circuitry, that the WAKE pins are at a defined logic level at any
time.
When using the UVDD regulator output as source for the logic HIGH of the WAKE
pins, it is strongly recommended to protect the ultra low power UVDD voltage
regulator against (accidental) excessive loading by connection of an external
1.8 MΩ series resistor.
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The figure above shows two examples how the WAKE inputs may be used. When the LRN
button is pressed WAKE1 is pulled to GND and a teach-in telegram is transmitted.
As long as the button is pressed a small current is flowing from UVDD to GND.
WAKE0 is connected to a toggle switch. There is no continuous flow of current in either position of the switch.
3.4
Using RVDD
If RVDD is used in an application circuit a serial ferrite bead shall be used and wire length
should be as short as possible (<3 cm). The following ferrite beads have been tested:
74279266 (0603), 74279205 (0805) from Würth. During radio transmission and reception
only small currents may be drawn (I<100 µA).
Pulsed current drawn from RVDD has to be avoided. If pulsed currents are necessary, sufficient blocking has to be provided.
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3.5
Antenna options
3.5.1 Overview
Several antenna types have been investigated by EnOcean. They all have advantages and
disadvantages as shown in the following table.
Advantages
Disadvantages
Whip Antenna (15 cm @ 315 MHz, 8.5 cm @ 868 MHz)
Cheap
Automatic placement difficult
Omnidirectional
Bending influences performance
Large size
Chip Antenna (AMD1103-ST01 @ 315 MHz/868 MHz)
Omnidirectional
Expensive
Very sensitive to environment (GND
Small size
plane, components), minimum distance
space to other components needed
Automatic placement possible
Splatch Antenna (ANT-315-SP1 @ 315 MHz, ANT-868-SP1 @ 868 MHz)
Omnidirectional
Expensive
Not very sensitive to environment, low disLarge size
tance space to other components required
Automatic placement possible
Helical Antenna (ANT-315-HE @ 315 MHz)
Large distance space to other compoOmnidirectional
nents required
Cheap
Large size (3D)
Through hole component, no SMT
868 MHz modules used in Europe do not need additional approval if the external antenna
fulfils the following requirements:
Antenna type
Passive
Mandatory for radio approval
Frequency band 868 MHz ISM Antenna must be suited for this band
Impedance
~50 Ohm
Mandatory for radio approval
Maximum gain
≤ 8 dBd
Mandatory for radio approval
VSWR
≤ 1.5:1
Important for compatibility with EnOcean protocol
Return Loss
> 14 dB
Important for compatibility with EnOcean protocol
Bandwidth
≤ 20 MHz
Important if 10 V/m EMI robustness required for device
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For 315 MHz modules (STM 300C and TCM 3X0C) please note that a full approval
is needed if modules are used with antennas other than the specified whip antenna.
3.5.2 Whip antenna
315 MHz
Antenna: 150 mm wire, connect to RF_WHIP
Minimum GND plane: 50 mm x 50 mm
Minimum distance space: 10 mm
868 MHz
Antenna: 86 mm wire, connect to RF_WHIP
Minimum GND plane: 38 mm x 18 mm
Minimum distance space: 10 mm
Specification of the whip antenna; L=150 mm @ 315 MHz, L=86 mm @ 868 MHz
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3.5.3 Chip antenna
315 MHz
Antenna: AMD1103-ST01
Manufacturer: Mitsubishi
Matching circuit:
L1=47 nH
L2=390 nH
L3 optional for additional optimization
Minimum distance space and layout:
Distance space
for components
15
15
11
L2
L1
15
AMD1103-ST01
GND plane
L3
50
RF_50
35
50
Minimum distance space above and below PCB: 11 mm
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868 MHz
Antenna: AMD1103-ST01
Manufacturer: Mitsubishi
Matching circuit:
L1=6.8 nH
L2=39 nH
L3=8.2 nH
Minimum distance space and layout:
Distance space
for components
11
20
15
L2
L1
11
17
AMD1103-ST01
L3
GND plane
RF_50
50
34
50
Minimum distance space above and below PCB: 11 mm
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3.5.4 Splatch antenna
315/868 MHz
Antenna: ANT-315-SP
Manufacturer: Linx Technologies / Antenna Factor
Matching circuit: Not needed
Minimum distance space and layout:
Distance
space for
components
RF_50
GND
45
35
38
Minimum distance space above and below PCB: 12 mm
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3.5.5 Helical antenna
315 MHz
Antenna: ANT-315-HE
Manufacturer: Linx Technologies / Antenna Factor
Matching circuit:
L1=5.1 nH
L2=18 nH
Minimum distance space and layout:
Distance space
for components
21
21
10
L2
L1
21
RF_50
ANT-315-HE
45
GND plane
20
55
Minimum distance above and below axis of antenna: 21 mm
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3.6
Layout recommendations for foot pattern
The length of lines connected to I/Os should not exceed 5 cm.
It is recommended to have a complete GND layer, at least below the module and
directly connected components.
The RVDD line should be kept as short as possible. Please consider recommendations in section 3.4.
Top layer
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Solder resist top layer
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Solder paste top layer
The data above is also available as EAGLE library.
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3.7
Soldering information
STM 300 has to be soldered according to IPC/JEDEC J-STD-020C standard.
STM 300 shall be handled according to Moisture Sensitivity Level MSL4 which means a floor
time of 72 h. STM 300 may be soldered only once, since one time is already consumed at
production of the module itself.
Once the dry pack bag is opened, the desired quantity of units should be removed and the
bag resealed within two hours. If the bag is left open longer than 30 minutes the desiccant
should be replaced with dry desiccant. If devices have exceeded the specified floor life time
of 72 h, they may be baked according IPC/JEDEC J-STD-033B.
Devices packaged in moisture-proof packaging should be stored in ambient conditions not
exceeding temperatures of 40 °C or humidity levels of 90% r.h.
STM 300 modules have to be soldered within 6 months after delivery!
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3.8
Tape & Reel specification
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3.9
Transmission range
The main factors that influence the system transmission range are type and location of the
antennas of the receiver and the transmitter, type of terrain and degree of obstruction of
the link path, sources of interference affecting the receiver, and “Dead” spots caused by
signal reflections from nearby conductive objects. Since the expected transmission range
strongly depends on this system conditions, range tests should categorically be performed
before notification of a particular range that will be attainable by a certain application.
The following figures for expected transmission range are considered by using a PTM, a
STM or a TCM radio transmitter device and the TCM radio receiver device with preinstalled
whip antenna and may be used as a rough guide only:

EnOcean RF modules must not be modified or used outside their specification limits.
EnOcean RF modules may only be used to transfer digital or digitized data.
Analog speech and/or music are not permitted.
EnOcean RF modules must not be used with gain antennas, since this may
result in allowed ERP or spurious emission levels being exceeded.
The final product incorporating EnOcean RF modules must itself meet the
essential requirement of the R&TTE Directive and a CE marking must be affixed on the final product and on the sales packaging each. Operating instructions containing a Declaration of Conformity has to be attached.
If the STM 300 transmitter is used according to the regulations of the 868.3
MHz band, a so-called “Duty Cycle” of 1% per hour must not be exceeded.
Permanent transmitters such as radio earphones are not allowed.
The module must be used with only the following approved antenna(s).
Type
Parameter
Value
Wire/Monopole at RF_WHIP
Maximum gain
1.0 dBi
External antenna at RF_50
Antenna type
Passive
Impedance
~50 Ohm
Maximum gain
≤ 8 dBd
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4.2
FCC (United States) certification
STM 300C LIMITED MODULAR APPROVAL
This is an RF module approved for Limited Modular use operating as an intentional transmitting device with respect to 47 CFR 15.231(a-c) and is limited to OEM installation. The
module is optimized to operate using small amounts of harvested energy, such as can be
collected by a small solar cell exposed to ambient light. The module transmits short radio
packets comprised of control signals, (in some cases the control signal may be accompanied with data) such as those used with alarm systems, door openers, remote switches,
and the like. The module does not support continuous streaming of voice, video, or any
other forms of streaming data; it sends only short packets containing control signals and
possibly data and is typically powered by a solar cell in ambient light. The module is designed to comply with, has been tested according to 15.231(a-c), and has been found to
comply with each requirement. Thus, a finished device containing the STM 300C radio module can be operated in the United States without additional Part 15 FCC approval (approval(s) for unintentional radiators may be required for the OEM’s finished product), under
EnOcean’s FCC ID number. This greatly simplifies and shortens the design cycle and development costs for OEM integrators.
The module can be triggered manually or automatically, which cases are described below.
Manual Activation
The radio module can be configured to transmit a short packetized control signal if
triggered manually. The module can be triggered, by pressing a switch, for example.
The packet contains one (or more) control signals that is(are) intended to control
something at the receiving end. The packet may also contain data. Depending on
how much energy is available from the energy source, subsequent manual triggers
can initiate the transmission of additional control signals. This may be necessary if
prior packet(s) was (were) lost to fading or interference. Subsequent triggers can
also be initiated as a precaution if any doubt exists that the first packet didn’t arrive
at the receiver. Each packet that is transmitted, regardless of whether it was the
first one or a subsequent one, will only be transmitted if enough energy is available
from the energy source.
Automatic Activation
The radio module also can be configured to transmit a short packetized control signal if triggered automatically, by a relevant change of its inputs, for example. Again,
the packet contains a control signal that is intended to control something at the receiving end and may also contain data. As above, it is possible for the packet to get
lost and never reach the receiver. However, if enough energy is available from the
energy source, and the module has been configured to do so, then another packet or
packets containing the control signal may be transmitted at a later, unpredictable
time.
The device is capable to operate as a repeater, which can receive signals from the following
list of FCC/IC approved transmitters, and retransmit the signals.

PTM 200C
STM 110C
TCM 200C
TCM 220C
TCM 300C
STM 300C
TCM 320C
© 2010 EnOcean | www.enocean.com
FCC
FCC
FCC
FCC
FCC
FCC
FCC
ID:SZV-PTM200C
ID:SZV-STM110C
ID:SZV-TCM2XXC
ID:SZV-TCM2XXC
ID:SZV-STM300C
ID:SZV-STM300C
ID:SZV-TCM320C
IC:5713A-PTM200C
IC:5713A-STM110C
IC:5713A-TCM2XXC
IC:5713A-TCM2XXC
IC:5713A-STM300C
IC:5713A-STM300C
IC:5713A-TCM320C
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OEM Requirements
In order to use EnOcean’s FCC ID number, the OEM must ensure that the following conditions are met.
End users of products, which contain the module, must not have the ability to alter the
firmware that governs the operation of the module. The agency grant is valid only when
the module is incorporated into a final product by OEM integrators.
The end-user must not be provided with instructions to remove, adjust or install the
module.
The Original Equipment Manufacturer (OEM) must ensure that FCC labeling requirements
are met. This includes a clearly visible label on the outside of the final product. Attaching
a label to a removable portion of the final product, such as a battery cover, is not permitted. The label must include the following text:
Contains FCC ID: SZV-STM 300C
The enclosed device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions: (i.) this device may not cause harmful interference and
(ii.) this device must accept any interference received, including interference that
may cause undesired operation.
The user manual for the end product must also contain the text given above.
Changes or modifications not expressly approved by EnOcean could void the user's au-
thority to operate the equipment.

The OEM must ensure that timing requirements according to 47 CFR 15.231(a-c) are
met.
The OEM must sign the OEM Limited Modular Approval Agreement with EnOcean
The module must be used with only the following approved antenna(s).
Part Number
N.A.
4.3
Type
Wire/Monopole
Gain
1.0 dBi
IC (Industry Canada) certification
In order to use EnOcean’s IC number, the OEM must ensure that the following conditions
are met:
Labeling requirements for Industry Canada are similar to those required by the FCC. The
Original Equipment Manufacturer (OEM) must ensure that IC labeling requirements are
met. A clearly visible label on the outside of a non-removable part of the final product
must include the following text:
Contains IC: 5713A-STM 300C

The OEM must sign the OEM Limited Modular Approval Agreement with EnOcean
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Transceiver Module
TCM 300 / TCM 300C
TCM 320 / TCM 320C
February 26, 2010
Observe precautions! Electrostatic sensitive devices!
Patent protected:
WO98/36395, DE 100 25 561, DE 101 50 128,
WO 2004/051591, DE 103 01 678 A1, DE 10309334,
WO 04/109236, WO 05/096482, WO 02/095707,
US 6,747,573, US 7,019,241
EnOcean GmbH
Kolpingring 18a
82041 Oberhaching
Germany
Phone +49.89.67 34 689-0
Fax
+49.89.67 34 689-50
info@enocean.com
www.enocean.com
Subject to modifications
TCM 300 / 300C / 320 / 320C User Manual V0.90
February 26, 2010 2:10 PM
Page 1/49
USER MANUAL
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TCM 300 / 300C / 320 / 320C
REVISION HISTORY
The following major modifications and improvements have been made to the first version of
this document:
No
0.6
0.7
0.75
0.8
0.9
Major Changes
Chapter 4 modified, Drawing in 1.3 corrected; Chapter 3.6 added.
Chapter 3.8 added; Operating temperature range limited to -25 °C/+85 °C;
RX sensitivity reduced to -94 dBm; Layout recommendation in 3.5 modified;
Change in 2.2.: Do not connect pins marked as n.c.; Maximum Ratings (nonoperating) modified in 2.3; Maximum Ratings (operating) added in 2.4
Section 2.2.1 updated; output currents reduced in 2.2
Receive current increased to typ. 33 mA; Section 3.5 modified; recommended foot
pattern added in 3.6.1;new drawings in 1.3; section 2.7 Repeater Configuration
added; section 2.10 Smart Acknowledge added; section 3.8 Tape&Reel spec.
added; RX sensitivity reduced to -93dBm; section 3.10 added
Max. ripple at VDD reduced to 50 mVpp; Connect external 1 kΩ pull-down to RESET and PROG_EN; Supply voltage range modified: starting at 2.6V; section 3.11
added
Published by EnOcean GmbH, Kolpingring 18a, 82041 Oberhaching, Germany
www.enocean.com, info@enocean.com, phone +49 (89) 6734 6890
© EnOcean GmbH
All Rights Reserved
Important!
This information describes the type of component and shall not be considered as assured
characteristics. No responsibility is assumed for possible omissions or inaccuracies. Circuitry
and specifications are subject to change without notice. For the latest product specifications, refer to the EnOcean website: http://www.enocean.com.
As far as patents or other rights of third parties are concerned, liability is only assumed for
modules, not for the described applications, processes and circuits.
EnOcean does not assume responsibility for use of modules described and limits its liability
to the replacement of modules determined to be defective due to workmanship. Devices or
systems containing RF components must meet the essential requirements of the local legal
authorities.
The modules must not be used in any relation with equipment that supports, directly or
indirectly, human health or life or with applications that can result in danger for people,
animals or real value.
Components of the modules are considered and should be disposed of as hazardous waste.
Local government regulations are to be observed.
Packing: Please use the recycling operators known to you. By agreement we will take packing material back if it is sorted. You must bear the costs of transport. For packing material
that is returned to us unsorted or that we are not obliged to accept, we shall have to invoice you for any costs incurred.
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TABLE OF CONTENT
1.1
1.2
1.3
1.4
1.5
GENERAL DESCRIPTION ............................................................................... 5
Basic functionality ....................................................................................... 5
Technical data............................................................................................. 5
Physical dimensions ..................................................................................... 6
Environmental conditions.............................................................................. 7
Ordering information.................................................................................... 7
FUNCTIONAL DESCRIPTION .......................................................................... 8
2.1 Pin out....................................................................................................... 8
2.2 Pin description and operational characteristics ................................................. 9
2.2.1 Interface supply voltage - IOVDD..............................................................11
2.3 Absolute maximum ratings (non operating)....................................................12
2.4 Maximum ratings (operating) .......................................................................12
2.5 Operating modes........................................................................................13
2.6 Mode selection ...........................................................................................14
2.7 Repeater configuration ................................................................................15
2.8 Teach-in procedure.....................................................................................16
2.8.1 Setting the receiver to learning mode ........................................................16
2.8.2 Confirmation of Learning Mode .................................................................16
2.8.3 Teaching in a transmitter.........................................................................16
2.8.4 Confirmation of correct learning/deletion ...................................................17
2.8.5 Learning of further transmitters ................................................................17
2.8.6 Selecting the next channel .......................................................................17
2.8.7 Leaving learning mode ............................................................................17
2.8.8 Deleting a transmitter .............................................................................17
2.9 Remote management..................................................................................18
2.9.1 Remote Management Control Commands (RMCC) .......................................18
2.9.2 Remote Procedure Calls (RPC) ..................................................................18
2.10 Smart Acknowledge ...............................................................................19
2.11 Transmit timing.....................................................................................19
APPLICATIONS INFORMATION ......................................................................20
3.1 Transmission range ....................................................................................20
3.2 Antenna options TCM 300 / TCM 300C...........................................................21
3.2.1 Overview...............................................................................................21
3.2.2 Whip antenna ........................................................................................22
3.2.3 Chip antenna .........................................................................................23
3.2.4 Splatch antenna .....................................................................................25
3.2.5 Helical antenna ......................................................................................26
3.3 Antenna options TCM 320 / 320C..................................................................27
3.3.1 Mounting the whip antenna ......................................................................27
3.3.2 Mounting 50 Ω antennas..........................................................................28
3.4 Recommendations for laying a whip antenna ..................................................29
3.5 Power supply requirements ..........................................................................30
3.6 Layout recommendations.............................................................................30
3.6.1 TCM 300/300C recommended foot pattern .................................................31
3.7 Soldering information..................................................................................34
3.7.1 TCM 300 / TCM 300C ..............................................................................34
3.7.2 TCM 320 / TCM 320C ..............................................................................35
3.8 Tape & Reel specification TCM 300 / TCM 300C...............................................35
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3.9 Backward compatibility to TCM 220C .............................................................36
3.10 Using RVDD ..........................................................................................36
3.11 Voltage dips..........................................................................................36
AGENCY CERTIFICATIONS (after release for series production) .........................37
4.1 CE approval ...............................................................................................37
4.2 FCC (United States) Certification ..................................................................38
4.3 IC (Industry Canada) Certification.................................................................40
APPENDIX .................................................................................................41
A.1 EnOcean serial protocol ...............................................................................41
A.1.1 Message format......................................................................................41
A.1.2 Byte signals and bit order ........................................................................41
A.2 Radio transmission/reception commands .......................................................42
A.2.1 Description of serial data structure............................................................42
A.2.2 Detailed description of ORG field...............................................................43
A.2.3 Detailed description of STATUS field ..........................................................43
A.2.4 Detailed description of DATA_BYTE 3..0 fields .............................................44
A.3 Command telegrams and messages ..............................................................47
A.3.1 ID Range commands...............................................................................47
A.3.2 Receiver sensitivity commands .................................................................47
A.3.3 Reset command .....................................................................................47
A.3.4 SW Version............................................................................................47
A.3.5 Error messages ......................................................................................47
A.3.6 Command Encoding ................................................................................48
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GENERAL DESCRIPTION
1.1
Basic functionality
The transceiver modules TCM 300 / 300C
and TCM 320 / 320C enable the realization of
highly efficient RF repeaters and transceivers
for the EnOcean 868 MHz and 315 MHz radio
systems.
The module provides several built-in
operating modes.
In addition repeater
functionality (1 or 2 level) can be activated.
Using the Dolphin API library it is possible to
write custom software for the module. All
module variants are in-system programmable.
Built-in operating modes
Unidirectional serial communication
Bidirectional serial communication
1-channel relay mode
4-channel relay mode
1-channel dimming mode
TCM300
TCM300C
TCM320
TCM320C
Product variants
TCM 300/300C: SMD mountable module for use with external antenna (868/315 MHz)
TCM 320/320C: Variant for vertical mounting with pin connector. Whip antenna.
(868/315 MHz). TCM 320C is backward compatible to TCM 220C
Features accessible via API:
Integrated 16 MHz 8051 CPU with 32 KB FLASH and 2 kB SRAM
Various power down and sleep modes down to 0.2 µA current consumption
(TCM 320/TCM 320C limited to 1.4 mA current consumption!)
Up to 14 configurable I/Os
10 bit ADC, 8 bit DAC
1.2
Technical data
Antenna
Frequency
Radio Standard
Data rate/Modulation type
Receiver Sensitivity (at 25°C)
Conducted Output Power
Power Supply
Current Consumption
Radio Regulations
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Pre-installed 8.6 cm/15 cm whip antenna (TCM 320/TCM 320C)
External whip or 50 Ω antenna mountable (TCM 300/TCM 300C)
315.0 MHz (TCM 3X0C)/868.3 MHz (TCM 3X0)
EnOcean 868 MHz/315 MHz
125 kbps/ASK
typ. –93 dBm
typ. 5 dBm
2.6 V–3.3 V (TCM 320/320C), 2.6 V–4.5 V (TCM 300/300C)
Receive mode: typ. 33 mA, max. 43 mA (RX)
Transmit mode: typ. 24 mA, max. 33 mA (TX)
R&TTE EN 300 220 (TCM 300/TCM 320)
FCC CFR-47 Part 15 (TCM 300C/TCM 320C)
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1.3
Physical dimensions
Unless otherwise specified dimensions are in mm.
Tolerances:
PCB outline dimensions ±0.2 mm
All other tolerances ±0.1 mm
TCM 300 / TCM 300C (pads on bottom side of PCB!)
Unless otherwise specified dimensions are in mm.
Tolerances:
PCB outline dimensions ±0.2 mm
All other tolerances ±0.1 mm
TCM 320 / TCM 320C
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PCB dimensions
TCM 320/TCM 320C (without pin connector): 36.5 x 19 x 5.5 mm
TCM 300/TCM 300C: 22 x 19 x 3.1 mm
Pin connector
1.4
16 pins, grid 2.0 mm (4.0 mm in length,
0.5 mm)
Environmental conditions
Operating temperature
-25 °C … +85 °C
Storage temperature
-40 °C … +85 °C
Storage temperature in tape & reel package
-20 °C … +50 °C
Humidity
1.5
0% … 93% r.H., non-condensing
Ordering information
Type
TCM 300
TCM 320
TCM 300C
TCM 320C
Ordering Code
S3003-K300
S3003-K320
S3033-K300
S3033-K320
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Frequency
868.3 MHz
868.3 MHz
315.0 MHz
315.0 MHz
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FUNCTIONAL DESCRIPTION
2.1
Pin out
RF_WHIP
XTAL
16MHz
Antenna
balun
26
DVDD
VDD
XTAL
16MHz
n.c.
GND
IOVDD
Antenna
balun
RSDADIO3
EO3000I
RF_WHIP
WSDADIO2
GND
SCLKDIO1
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SCSEDIO0
18
PROG_EN
GND
ADIO7
ADIO6
ADIO5
ADIO4
ADIO3
ADIO0
ADIO2
GND
TCM300/300C
TOP VIEW
ADIO1
RF_50
RVDD
GND
VDD
RESET
PROG_EN
16
GND
RSDADIO3
RESET
WSDADIO2
SCLKDIO1
WXIDIO
GND
SCSEDIO0
WXODIO
ADIO7
GND
ADIO3
ADIO4
n.c.
n.c.
ADIO2
n.c.
ADIO1
ADIO0
GND
ADIO6
TCM320/320C
TOP VIEW
GND
EO3000I
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2.2
Pin description and operational characteristics
Symbol
Function
GND
VDD
Ground connection
Supply voltage
RVDD
RF supply voltage
regulator output
Characteristics
Must be connected to GND
TCM 300/300C: 2.6 V – 4.5 V
TCM 320/320C: 2.6 V – 3.3 V
Max. ripple: see 2.4
1.8 V
Output current:
max. 100 µA with built-in firmware (RX on)
max. 10 mA while not in RX/TX mode
DVDD
IOVDD
RESET
Digital supply voltage
regulator output
Digital interface supply
voltage
PROG_EN
Reset input
Programming I/F
Programming I/F
ADIO0
MODE_SEL
ADIO1
ADIO2
ADIO3
ADIO4
ADIO5
ADIO6
1.8 V
Output current: max. 5 mA
TCM 320/320C: internally connected to VDD
TCM 300/300C: Must be connected to desired
interface supply between 1.8 V and 3.3 V
See also 2.2.1.
Active high reset (1.8 V). External 1 kΩ pulldown required.
HIGH: programming mode active
LOW: operating mode
Digital input, external 1 kΩ pull-down required.
Analog input: At start-up input voltage is
measured and mode is selected. See chapter 0
MODE 0: not used
In mode 0 the repeater level is 1 and
cannot be modified.
MODE 1-4: REP_LEVEL Mode 1-4: At start-up the repeater level
is selected:
Repeater level 1: LOW
Repeater level 2: HIGH
Digital input, internal pull-up active
REPEATER
At start-up the repeater can be switched on:
Repeater on: LOW
Repeater off: HIGH
Digital input, internal pull-up active
MODE 0: Sensitivity
Low sensitivity: LOW
High sensitivity: HIGH
Digital input, internal pull-up active
Enter/leave teach-in mode. See chapter 2.8
MODE 1-4: LRN
Digital input, internal pull-up active
MODE 0: not used
Internal pull-up active
Clear ID memory. See chapter 2.8
MODE 1-4: CLR
Digital input, internal pull-up active
Not used
Digital output, internally set to LOW
MODE 0-1: SER_RX
UART input
MODE 2-4: not used
Digital input, internal pull-up active
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ADIO7
SCSEDIO0
SCLKDIO1
WSDADIO2
RSDADIO3
MODE 0-1: SER_TX
UART output
Max. output current:
2 mA @ IOVDD=3.3 V
0.65 mA @ IOVDD=1.8 V
MODE 2-3: CHANNEL0 Digital output channel 0
Max. output current:
2 mA @ IOVDD=3.3 V
0.65 mA @ IOVDD=1.8 V
MODE 4: not used
Digital output, internally set to LOW
Programming I/F
MODE 0, 2: not used Digital output, internally set to LOW
MODE 1: LRN_TOGGLE Digital output
Max. output current:
2 mA @ IOVDD=3.3 V
0.65 mA @ IOVDD=1.8 V
MODE 3: CHANNEL1
Digital output channel 1
Max. output current:
2 mA @ IOVDD=3.3 V
0.65 mA @ IOVDD=1.8 V
MODE 4: PWM
Dimmer output, 50 kHz
Programming I/F
MODE 0-2: not used
Digital output, internally set to LOW
MODE 3: CHANNEL2
Digital output channel 2
Max. output current:
2 mA @ IOVDD=3.3 V
0.65 mA @ IOVDD=1.8 V
MODE 4: PWM_IND
Indicating if PWM is active.
Digital output.
Max. output current:
2 mA @ IOVDD=3.3 V
0.65 mA @ IOVDD=1.8 V
Programming I/F
MODE 0-2, 4: not used Digital output, internally set to LOW
MODE 3: CHANNEL3
Digital output channel 3
Max. output current:
2 mA @ IOVDD=3.3 V
0.65 mA @ IOVDD=1.8 V
Programming I/F
MODE 0: RMI
Normal operation: Digital output, internally set
to LOW
Remote Management: ACTION command indicator (see 2.9.1)
Max. output current:
2 mA @ IOVDD=3.3 V
0.65 mA @ IOVDD=1.8 V
MODE 1-4: LMI
Normal operation: Learn mode indicator
Remote Management: ACTION command indicator (see 2.9.1)
Digital output
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Max. output current:
2 mA @ IOVDD=3.3 V
0.65 mA @ IOVDD=1.8 V
WXIDIO
WXODIO
RF_WHIP
RF_50
n.c.
Programming I/F
Not used
Not used
RF output
RF output
Not connected
Digital output, internally set to LOW
Digital output, internally set to LOW
Output for whip antenna
50 Ohm output for external antenna
Do not connect!
2.2.1 Interface supply voltage - IOVDD
For digital communication with other circuitry (peripherals) the digital I/O configured pins
of the mixed signal sensor interface (ADIO0 to ADIO7) and the pins of the serial interface
(SCSEDIO0, SCLKDIO1, WSDADIO2, RSDADIO3) may be operated from supply voltages
different from DVDD. Therefore an interface voltage supply pin IOVDD is available which
can be connected either to DVDD or to an external supply within the tolerated voltage
range of IOVDD.
If DVDD=0 V (e.g. in any sleepmode) and IOVDD is supplied, there may be unpredictable and varying current from IOVDD caused by internal floating nodes. It
must be taken care that the current into IOVDD does not exceed 10 mA while
DVDD=0.
If DVDD=0 V and IOVDD is not supplied, do not apply voltage to any above mentioned pin. This may lead to unpredictable malfunction of the device.
In TCM 320/TCM 320C VDD is internally connected to IOVDD! Therefore the above
mentioned issues have to be considered when writing own firmware based on API.
IOVDD voltage must not exceed VDD voltage! A malfunction of the module may be
caused by such inverse supply!
For I/O pins configured as analog pins the IOVDD voltage level is not relevant!
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2.3
Absolute maximum ratings (non operating)
Symbol Parameter
Min
Supply voltage at VDD
VDD
TCM 300
-0.5
TCM 320 (limitation due to internal VDD-IOVDD connection) -0.5
Supply voltage for mixed signal sensor interface and serial
-0.5
IOVDD
interface pins
GND
Ground connection
VINA
Voltage at every analog input pin
-0.5
Voltage at RESET, and every digital input pin except WXI-0.5
VIND1
DIO/WXODIO
VIND2
Voltage at WXIDIO / WXODIO input pin
-0.5
2.4
Max
Units
5.5
3.6
3.6
3.6
Maximum ratings (operating)
Symbol Parameter
Supply voltage at VDD
VDD
TCM 300
TCM 320
Min
2.6
2.6
1.7
IOVDD
Digital interface supply voltage (see also 2.2.1)
GND
VINA
Ground connection
Voltage at every analog input pin
Voltage at RESET, and every digital input pin except
WXIDIO / WXODIO
Voltage at WXIDIO / WXODIO input pin
Max. ripple at VDD
VIND1
VIND2
VDDR
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Max
Units
4.5
3.6
MIN
(3.6;
VDD)
2.0
3.6
2.0
50
mVpp
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2.5
Operating modes
Mode Function
Unidirectional serial
interface compatible
with TCM 220C, no
teach-in capability
Bidirectional serial
interface, teach-in
capability for up to
30 entries1
Rocker Switch - 1
channel, teach-in capability for up to 30
entries1
Rocker Switch - 4
channels, teach-in
capability for up to
30 entries2
Dimming - 1 channel,
teach-in capability
for up to 30 entries1
Output signal description
SER_TX: UART output, supplies standard
data blocks of information from all received
EnOcean radio telegrams (9600 bps; 8 data
bits, no parity bit, one start bit, one stop bit).
For further information see chapter A.1
SER_RX, SER_TX: Asynchronous bidirectional
Interface, supplies standard data blocks of
information from all received EnOcean radio
telegrams (9600 bps; 8 data bits, no parity
bit, one start bit, one stop bit). For further
information see chapter A.1
LRN_TOGGLE: Learning mode status indicator
Supplies the desired logic switching state
“on/off” at CHANNEL0 when pushing the
switch rockers
No. of
channels
Same as Mode 2 but operation of 4 receiver
channels (CHANNEL0, CHANNEL1, CHANNEL2, CHANNEL3)
PWM is the PWM output
I-button pressed for shorter than 0.5 s: ON
(Restore duty cycle stored before last
switch-off).
O-button pressed for shorter than 0.5 s:
OFF
O-/I-button pressed longer than 0.5 s:
Duty cycle variation from 10% up to 100%
(O=less, I=more). Duty cycle variation
stops when button is released.
PWM_IND is active as long as duty cycle is
not 0%
Reserved
Each rocker of a PTM transmitter is counted as 1 entry
Each rocker is counted as 1 entry. If the same rocker is teached into several channels, 1
entry per channel is needed.
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2.6
Mode selection
The operating mode is defined at start-up of the module via a measurement of the voltage
at ADIO0.
As long as IDs are stored in ID memory, the operating mode can only be changed
after deleting all IDs from memory, e.g. via CLR!
Mode ADIO0 (MODE_SEL)
input voltage range
0% to 3.99% VDD
4% to 11.99% VDD
12% to 19.99% VDD
20% to 27.99% VDD
28% to 35.99% VDD
36% to 39.99% VDD
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Proposed component values
R1: 0 Ohm
R2: leave open
R3: leave open
C1: leave open
R1: 1k2 ±1%
R2: 15k ±1%
R3: 150k ±1%
C1: 100p
R1: 2k2 ±1%
R2: 12k ±1%
R3: 270k ±1%
C1: 100p
R1: 3k9 ±1%
R2: 15k ±1%
R3: 68k ±1%
C1: 100p
R1: 4k7 ±1%
R2: 12k ±1%
R3: 56k ±1%
C1: 100p
R1: 5k6 ±1%
R2: 10k ±1%
R3: 56k ±1%
C1: 100p
VDD
R2
R3
ADIO0
R1
C1
GND
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2.7
Repeater configuration
TCM 3x0 provides the option to activate a one or two-level repeater for EnOcean radio telegrams.
1-level repeater: If a received telegram is a valid and original (not yet repeated), the telegram is repeated after a random delay.
2-level repeater: If a received telegram is valid and original or repeated once, the telegram
is repeated after a random delay.
2-level repeating function should only be activated if really needed! Otherwise the
system function can be compromised by collisions of telegrams.
The repeated telegram is marked as “repeated” by an increased repeater counter.
Setting the repeater level:
At start-up of the module repeater on/off and repeater level are determined.
Please refer to the table in 2.2 regarding the configuration options.
Please note that in Mode 0 2-level repeating is not possible
(for backward compatibility to TCM 220C)!
The figure below shows an example circuit for a repeater.
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2.8
Teach-in procedure
Modes 1 to 4 support teach-in of transmitters.
Please make sure not to remove supply voltage while in LRN mode! The flash content could get corrupted!
2.8.1 Setting the receiver to learning mode
Via CLR Pin (ADIO4): Contact to GND longer than t = 2 seconds. Learning Mode LRN
is entered after clearing ID memory.
Via LRN Pin (ADIO3): Contact to GND longer than t = 0.5 seconds. In multi-channel
receiver mode, the pin has to be contacted several times until the desired channel number is selected (the number of channels is given by the selected operating mode).
Via Remote Config Control: Please refer to documentation of remote management.
2.8.2 Confirmation of Learning Mode
Mode
Confirmation
No Learn capability
LMI HIGH continuously,
LMI HIGH continuously,
LMI HIGH continuously,
LMI HIGH continuously,
10% and 100%
Reserved for future use
LRN_TOGGLE toggling every 1 s.
CHANNEL0 toggling every 1 s.
current CHANNELx toggling every 1 s.
DIM IND HIGH, and PWM toggling every 1 s between
2.8.3 Teaching in a transmitter
In learning mode LRN, the sensitivity of the module is limited to in-room operations and
learning of repeater powered signals is disabled (to avoid unintentional learning). Therefore
ensure that the associated radio transmitter will be in a distance less than 5 m to the receiver (not necessary within Remote Learn Mode).
Trigger the telegram of the associated radio transmitter within 30 seconds:
Operate the switch radio transmitter (RPS or HRC) at least once (press I-button or O-
button of the rocker that is to be assigned to the selected receiver channel). If the same
rocker is operated again within 4 seconds it will still be learned. If the same rocker is operated again after more than 4 seconds it will be deleted again. Please note that teach-in
without rocker information is not possible” Please note that scene switches (HRC and last
3 ID bits 0B111) cannot be teach-in!
Or activate the sensor radio transmitter (1BS, 4BS) least once with active LRN bit
(DI_3=0, please refer to “Standardization EnOcean Communication Profiles”). If the
same transmitter is operated again after more than 4 seconds with active LRN bit it will
be deleted again.
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Please note that in modes 2, 3, and 4 only RPS or HRC telegrams can be learned!
2.8.4 Confirmation of correct learning/deletion
The output which is toggling every second while in teach-in mode (see above) will stay
switched high for 4 seconds to signal that a transmitter has been learned. In case a transmitter ID has been deleted it will stay 4 seconds low.
2.8.5 Learning of further transmitters
After confirmation, the receiver changes again to readiness for learning. Further transmitters can be learned immediately. If available the next receiver channel can be entered by
connecting the LRN pin to GND longer than t = 0.5 seconds. A maximum of 30 radio transmitters can be learned (further attempts will be ignored; instead of learning confirmation,
operating mode is entered). Each rocker of a radio transmitter is counted as one transmitter.
2.8.6 Selecting the next channel
By fresh contacting of the LRN pin to GND the next remaining channel is selected. In onechannel mode or after the last channel, the operating mode is entered again.
2.8.7 Leaving learning mode
LRN mode is left in either one of the following events:
Output of last available channel is toggling and a fresh contacting of the LRN pin to GND
for 0.5 seconds is performed
No ID has been added/deleted during the last 30 seconds.
Memory was full and another ID was sent to be learnt
2.8.8 Deleting a transmitter
Deletion of one specific transmitter: Use the same procedure as learning the associated
transmitter.
As transmitter delete confirmation, the corresponding function outputs remain in inactive
state for 4 seconds while LMI keeps active. After that, a wrongly deleted transmitter can be
learned again immediately.
In order to delete a PTM transmitter the same rocker as during learn has to be
operated. If several rockers of a PTM transmitter have been learned, all have to be
deleted separately.
Deletion of all learned transmitters: Connect the CLR pin longer than 2 seconds to GND
All learned transmitters on all channels are deleted at the same time. After this, the receiver enters Learning Mode.
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2.9
Remote management
TCM 300 supports the remote management specification which is available from EnOcean
upon request. This allows controlling the teach-in procedure via a Remote Config Control
device.
2.9.1 Remote Management Control Commands (RMCC)
All RMCCs supported.
Mode
Reaction to ACTION COMMAND (Function code 0x005)
RMI HIGH for 1 s.
LMI HIGH, and LRN_TOGGLE on for 1 s.
LMI HIGH, and CHANNEL0 invert for 1 s.
LMI HIGH, and all CHANNELx inverted for 1 s.
LMI HIGH, DIM IND inverted, and PWM inverted for 1 s.
Reserved for future use
2.9.2 Remote Procedure Calls (RPC)
Supported RPCs:
Remote learn command, function code 0x201
Smart ACK: Read mailbox settings, function code 0x205, settings type 0x01
Smart ACK: Delete mailbox, function code 0x206, operation type 0x02
REMOTE LEARN COMMAND:
EEP: 0x000000
Mode Flag in command
n.a.
0x01
0x03
0x01
0x03
0x01
0x02
0x03
0x01
0x03
n.a.
Reaction
No reaction, no Learn Mode available
Start Remote Learn Mode
Stop Remote Learn Mode
Start Remote Learn Mode
Stop Remote Learn Mode
Start Remote Learn Mode
Next channel
Stop Remote Learn Mode
Start Remote Learn Mode
Stop Remote Learn Mode
No reaction, reserved for future use
The signalling is the same as described above in 2.8.
Differences between remote learn mode and normal learn mode:
In remote learn mode also repeated telegrams will be accepted
3 transmissions within 2 seconds are required, instead of 1 transmission
For detailed information on remote management please refer to the Remote Management
system specification.
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2.10 Smart Acknowledge
TCM 3x0 provides a post master function with 15 mail boxes for systems using EnOcean
smart acknowledge technology. This functionality is switched on in all operating modes.
For detailed information on smart acknowledge please refer to the Smart Acknowledge system specification.
When teaching-in a device using Smart Acknowledge please take care to switch off
all TCM3xy devices which are not continuously powered. Otherwise these TCM3xy
modules could be declared postmaster. As soon as the power supply is switched
off a postmaster would be missing and Smart Acknowledge would not work any
longer!
2.11 Transmit timing
The setup of the transmission timing allows avoiding possible
of other EnOcean transmitters as well as disturbances from
transmission cycle, 3 identical subtelegrams are transmitted
sion of a subtelegram lasts approximately 1.2 ms. The delay
sion bursts is affected at random.
© 2010 EnOcean | www.enocean.com
collisions with data packages
the environment. With each
within 40 ms. The transmisbetween the three transmis-
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APPLICATIONS INFORMATION
3.1
Transmission range
The main factors that influence the system transmission range are type and location of the
antennas of the receiver and the transmitter, type of terrain and degree of obstruction of
the link path, sources of interference affecting the receiver, and “dead” spots caused by
signal reflections from nearby conductive objects. Since the expected transmission range
strongly depends on this system conditions, range tests should categorically be performed
before notification of a particular range that will be attainable by a certain application.
The following figures for expected transmission range are considered by using a PTM, a
STM or a TCM radio transmitter device and the TCM radio receiver device with preinstalled
whip antenna and may be used as a rough guide only:

Line-of-sight connections: Typically 30 m range in corridors, up to 100 m in halls
Plasterboard walls / dry wood: Typically 30 m range, through max. 5 walls
Line-of-sight connections: Typically 30 m range in corridors, up to 100 m in halls
Ferro concrete walls / ceilings: Typically 10 m range, through max. 1 ceiling
Fire-safety walls, elevator shafts, staircases and supply areas should be considered as
screening.
The angle at which the transmitted signal hits the wall is very important. The effective wall
thickness – and with it the signal attenuation – varies according to this angle. Signals
should be transmitted as directly as possible through the wall. Wall niches should be
avoided. Other factors restricting transmission range:
Switch mounted on metal surfaces (up to 30% loss of transmission range)
Hollow lightweight walls filled with insulating wool on metal foil
False ceilings with panels of metal or carbon fibre
Lead glass or glass with metal coating, steel furniture
The distance between EnOcean receivers and other transmitting devices such as computers, audio and video equipment that also emit high-frequency signals should be at least
0.5 m
A summarized application note to determine the transmission range within buildings is
available as download from www.enocean.com.
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3.2
Antenna options TCM 300 / TCM 300C
3.2.1 Overview
Several antenna types have been investigated by EnOcean. They all have advantages and
disadvantages as shown in the following table.
Advantages
Disadvantages
Whip Antenna (15 cm @ 315 MHz, 8.6 cm @ 868 MHz)
Cheap
Automatic placement difficult
Omnidirectional
Bending influences performance
Large size
Chip Antenna (AMD1103-ST01 @ 315 MHz/868 MHz)
Omnidirectional
Expensive
Very sensitive to environment (GND plane,
Small size
components), minimum distance space to
other components needed
Automatic placement possible
Splatch Antenna (ANT-315-SP1 @ 315 MHz, ANT-868-SP1 @ 868 MHz)
Omnidirectional
Expensive
Not very sensitive to environment, low
distance space to other components reLarge size
quired
Automatic placement possible
Helical Antenna (ANT-315-HE @ 315 MHz)
Large distance space to other components
Omnidirectional
required
Cheap
Large size (3D)
Through hole component, no SMT
868 MHz modules used in Europe do not need additional approval if the external antenna
fulfils the following requirements:
Antenna type
Passive
Mandatory for radio approval
Frequency band 868MHz ISM Antenna must be suited for this band
Impedance
~50 Ohm
Mandatory for radio approval
Maximum gain
≤ 8 dBd
Mandatory for radio approval
VSWR
≤ 1.5:1
Important for compatibility with EnOcean protocol
Return Loss
> 14 dB
Important for compatibility with EnOcean protocol
Bandwidth
≤ 20 MHz
Important if 10 V/m EMI robustness required for device
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For 315 MHz modules (STM 300C and TCM 3X0C) please note that a full approval is
needed if modules are used with antennas other than the specified whip antenna.
3.2.2 Whip antenna
315 MHz
Antenna: 150 mm wire, connect to RF_WHIP
Minimum GND plane: 50 mm x 50 mm
Minimum distance space: 10 mm
868 MHz
Antenna: 86 mm wire, connect to RF_WHIP
Minimum GND plane: 38 mm x 18 mm
Minimum distance space: 10 mm
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3.2.3 Chip antenna
315 MHz
Antenna: AMD1103-ST01
Manufacturer: Mitsubishi
Matching circuit:
L1=47 nH
L2=390 nH
L3 optional for additional optimization
Minimum distance space and layout:
Distance space
for components
15
15
11
L2
L1
15
AMD1103-ST01
GND plane
L3
50
RF_50
35
50
Minimum distance space above and below PCB: 11 mm
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868 MHz
Antenna: AMD1103-ST01
Manufacturer: Mitsubishi
Matching circuit:
L1=6,8 nH
L2=39 nH
L3=8,2 nH
Minimum distance space and layout:
Distance space
for components
11
20
15
L2
L1
11
17
AMD1103-ST01
L3
GND plane
RF_50
50
34
50
Minimum distance space above and below PCB: 11 mm
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3.2.4 Splatch antenna
315/868 MHz
Antenna: ANT-315-SP
Manufacturer: Linx Technologies / Antenna Factor
Matching circuit: Not needed
Minimum distance space and layout:
Distance
space for
components
RF_50
GND
45
35
38
Minimum distance space above and below PCB: 12 mm
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3.2.5 Helical antenna
315 MHz
Antenna: ANT-315-HE
Manufacturer: Linx Technologies / Antenna Factor
Matching circuit:
L1=5,1 nH
L2=18 nH
Minimum distance space and layout:
Distance space
for components
21
21
10
L2
L1
21
RF_50
ANT-315-HE
45
GND plane
20
55
Minimum distance above and below axis of antenna: 21 mm
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3.3
Antenna options TCM 320 / 320C
Positioning and choice of receiver and transmitter antennas are the most important factors
in determining system transmission range.
3.3.1 Mounting the whip antenna
For good receiver performance, great care must be taken about the space immediately
around the antenna since this has a strong influence on screening and detuning the antenna. The antenna should be drawn out as far as possible and must never be cut off.
Mainly the far end of the wire should be mounted as far away as possible (at least 15 mm)
from all metal parts, ground planes, PCB strip lines and fast logic components (e.g. microprocessors).
Do not roll up or twist the whip antenna!
Radio frequency hash from the motherboard desensitizes the receiver. Therefore:
PCB strip lines on the user board should be designed as short as possible
A PCB ground plane layer with sufficient ground vias is strongly recommended
See also section 3.5 for power supply requirements. Problems may especially occur with
switching power supplies!
Specification of the TCM whip antenna; L=150 mm @ 315 MHz, L=86 mm @ 868 MHz
Isolation material may brake at temperatures below -15 °C.
Please take care to fix the antenna cable in case vibrations are expected.
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3.3.2 Mounting 50 Ω antennas
For mounting the receiver at bad RF locations (e.g. within a metal cabinet), an external 50
Ω antenna may be connected. The whip antenna must be removed in this case!
TCM 320 provides soldering pads for an SMA connector, e.g. from Tyco Electronics:
X remove
GND
TCM320C: X remove
50Ω
GND
GND
GND
Modification procedure:
TCM320: Remove whip antenna and mount SMA connector
TCM320C: Remove whip antenna and 12pF capacitor (see figure above).
Then mount SMA connector
For 315 MHz modules (TCM 300C and TCM 320C) please note that a full approval
is needed if modules are used with external antennas other than the pre-installed
whip antenna.
When using the SMA connector pads please make sure no mechanical forces are
exerted on the 16-pin connector! It is recommended to use a strain relief for that
purpose.
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3.4
Recommendations for laying a whip antenna
PCB with GND
PCB without GND
The GND plane should
have a size of at least
5cm x 8cm
Antenna too close
to GND area
Antenna end led
back to foot point
Antenna too close
to GND area
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3.5
Power supply requirements
In order to provide a good radio performance, great attention must be paid to the power
supply and a correct layout and shielding. It is recommended to place a 22 µF ceramic capacitor between VDD and GND close to the module (material: X5R, X7R, min 6.3 V to avoid
derating effects). In addition a 470 nH coil shall be inserted (Murata LQW18A, 0603) in the
power supply line.
It is recommended to keep the ripple on the power supply rail below 10 mVpp (see 2.4).
3.6
Layout recommendations
The length of lines connected to I/Os should not exceed 5cm.
It is recommended to have a complete GND layer, at least below the module and
directly connected components.
The RVDD line should be kept as short as possible. Please consider recommendations in section 3.10.
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3.6.1 TCM 300/300C recommended foot pattern
Top layer
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Solder resist top layer
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Solder paste top layer
The data above is also available as EAGLE library.
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3.7
Soldering information
3.7.1 TCM 300 / TCM 300C
TCM 300 has to be soldered according to IPC/JEDEC J-STD-020C standard.
TCM 300 shall be handled according to Moisture Sensitivity Level MSL4 which means a floor
time of 72 h. TCM 300 may be soldered only once, since one time is already consumed at
production of the module itself.
Once the dry pack bag is opened, the desired quantity of units should be removed and the
bag resealed within two hours. If the bag is left open longer than 30 minutes the desiccant
should be replaced with dry desiccant. If devices have exceeded the specified floor life time
of 72 h, they may be baked according IPC/JEDEC J-STD-033B.
Devices packaged in moisture-proof packaging should be stored in ambient conditions not
exceeding temperatures of 40 °C or humidity levels of 90% r.H.
TCM 300 modules have to be soldered within 6 months after delivery!
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3.7.2 TCM 320 / TCM 320C
The EO3000I chip inside the module is a moisture sensitive device. In case of
wave soldering the modules should be baked in advance.
3.8
Tape & Reel specification TCM 300 / TCM 300C
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3.9
Backward compatibility to TCM 220C
In Mode 0 TCM 320C is backward compatible to its predecessor TCM 220C.
There are a few minor restrictions of compatibility which are listed here:
Parameter
Maximum current consumption
Maximum output current of outputs
Thickness of module
Maximum voltage rating at pin7
(TCM 320C: ADIO6; TCM 220C: IN_5)
Minimum HIGH voltage level
at input pins
Post master function for systems with
smart acknowledge
TCM
220C
34 mA
25 mA
TCM 320C
1.55 V
2.0 V
No
Yes, 15 mail boxes
43 mA
2 mA
(external driver transistor may be needed)
4.6 mm
5.5 mm
6V
3.6 V
3.10 Using RVDD
If RVDD is used in an application circuit a serial ferrite bead shall be used and wire length
should be as short as possible (<3 cm). The following ferrite beads have been tested:
74279266 (0603), 74279205 (0805) from Würth. During radio transmission and reception
only small currents may be drawn (I<100 µA).
Pulsed current drawn from RVDD has to be avoided. If pulsed currents are necessary, sufficient blocking has to be provided.
3.11 Voltage dips
The moduls are supporting the handling of supply voltage dips (as requested e.g. by
EN60669-2-1). As soon as the supply voltage drops below the VON threshold level the current consumption is reduced. TCM 300 will enter standby sleep mode (worst case 35µA),
TCM 320 will enter short term sleep mode (1.8mA) for 200 ms. As long as the voltage at
VDD does not drop below VOFF during that phase the module will restore the output state
as set before the voltage dip. The minimal difference between VON and VOFF is 0.35 V.
The electric charge needed to bridge this interval is:
1.8mA x 200ms = 360µC for TCM 320
0.035mA x 200ms = 7µC for TCM 300
This electric charge can be stored in an external capacitor. The required capacity (do not
forget to add component specific tolerances and some extra margin) calculates as:
360µC / 0.35V = 1028µF for TCM 320
7µC / 0.35V = 20 µF for TCM 300
If other external circuitry has to be supplied the calculations have to be done accordingly,
using the total current consumption of module and external circuitry.
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AGENCY CERTIFICATIONS (after release for series production)
The modules have been tested to fulfil the approval requirements for CE (TCM 3x0) and
FCC/IC (TCM 3x0C) based on the built-in firmware.
When developing customer specific firmware based on the API for this module,
special care must be taken not to exceed the specified regulatory limits, e.g. the
duty cycle limitations!
4.1
CE approval
The modules bear the EC conformity marking CE and conforms to the R&TTE EU-directive
on radio equipment. The assembly conforms to the European and national requirements of
electromagnetic compatibility. The conformity has been proven and the according documentation has been deposited at EnOcean. The modules can be operated without notification and free of charge in the area of the European Union, and in Switzerland. The following
provisos apply:
•
•
•
•
•
EnOcean RF modules must not be modified or used outside their specification
limits.
EnOcean RF modules may only be used to transfer digital or digitized data.
Analog speech and/or music are not permitted.
The final product incorporating EnOcean RF modules must itself meet the essential requirement of the R&TTE Directive and a CE marking must be affixed
on the final product and on the sales packaging each. Operating instructions
containing a Declaration of Conformity has to be attached.
If the transmitter is used according to the regulations of the 868.3 MHz band,
a so-called “Duty Cycle” of 1% per hour must not be exceeded. Permanent
transmitters such as radio earphones are not allowed.
The module must be used with only the following approved antenna(s).
Type
Parameter
Value
Wire/Monopole at RF_WHIP Maximum gain
1.0 dBi
External antenna at RF_50
Antenna type
Passive
Impedance
~50 Ohm
Maximum gain
≤ 8 dBd
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4.2
FCC (United States) Certification
TCM 300C and TCM 320C LIMITED MODULAR APPROVAL
This is an RF module approved for Limited Modular use operating as an intentional transmitting device with respect to 47 CFR 15.231(a-c) and is limited to OEM installation. The
module is optimized to operate using small amounts of energy, and may be powered by a
battery. The module transmits short radio packets comprised of control signals, (in some
cases the control signal may be accompanied with data) such as those used with alarm systems, door openers, remote switches, and the like. The module does not support continuous streaming of voice, video, or any other forms of streaming data; it sends only short
packets containing control signals and possibly data. The module is designed to comply
with, has been tested according to 15.231(a-c), and has been found to comply with each
requirement. Thus, a finished device containing the TCM 300C/TCM 320C radio module can
be operated in the United States without additional Part 15 FCC approval (approval(s) for
unintentional radiators may be required for the OEM’s finished product), under EnOcean’s
FCC ID number. This greatly simplifies and shortens the design cycle and development
costs for OEM integrators. The module can be triggered manually or automatically, which
cases are described below.
Manual Activation
The radio module can be configured to transmit a short packetized control signal if triggered manually. The module can be triggered, by pressing a switch, for example.
The packet contains one (or more) control signals that is(are) intended to control something at the receiving end. The packet may also contain data. Depending on how much energy is available from the energy source, subsequent manual triggers can initiate the
transmission of additional control signals. This may be necessary if prior packet(s)
was(were) lost to fading or interference. Subsequent triggers can also be initiated as a precaution if any doubt exists that the first packet didn’t arrive at the receiver. Each packet
that is transmitted, regardless of whether it was the first one or a subsequent one, will only
be transmitted if enough energy is available from the energy source.
Automatic Activation
The radio module also can be configured to transmit a short packetized control signal
if triggered automatically, by a relevant change of its inputs or in response to receiving a
signal from another transmitter, for example. Again, the packet contains a control signal
that is intended to control something at the receiving end and may also contain data. As
above, it is possible for the packet to get lost and never reach the receiver. However, if
enough energy is available from the energy source, and the module has been configured to
do so, then another packet or packets containing the control signal may be transmitted at a
later time.
The device is capable to operate as a repeater, which can receive signals from the following
list of FCC/IC approved transmitters, and retransmit the signals.

End users of products, which contain the module, must not have the ability to alter the
firmware that governs the operation of the module. The agency grant is valid only when
the module is incorporated into a final product by OEM integrators.

The end-user must not be provided with instructions to remove, adjust or install the
module.

The Original Equipment Manufacturer (OEM) must ensure that FCC labeling requirements are met. This includes a clearly visible label on the outside of the final product.
Attaching a label to a removable portion of the final product, such as a battery cover, is
not permitted. The label must include the following text:
TCM300C:
Contains FCC ID: SZV-STM300C
The enclosed device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions: (i.) this device may not cause harmful interference and
(ii.) this device must accept any interference received, including interference that
may cause undesired operation.
TCM320C:
Contains FCC ID: SZV-TCM320C
The enclosed device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions: (i.) this device may not cause harmful interference and
(ii.) this device must accept any interference received, including interference that
may cause undesired operation.
The user manual for the end product must also contain the text given above.

Changes or modifications not expressly approved by EnOcean could void the user's authority to operate the equipment.

The module must be used with only the following approved antenna(s).
Part Number
N.A.

Type
Wire/Monopole
Gain
1.0 dBi
The OEM must ensure that timing requirements according to 47 CFR 15.231(a-c) are
met.
The OEM must sign the OEM Limited Modular Approval Agreement with EnOcean
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4.3
IC (Industry Canada) Certification
In order to use EnOcean’s IC number, the OEM must ensure that the following conditions
are met:
Labeling requirements for Industry Canada are similar to those required by the FCC.
The Original Equipment Manufacturer (OEM) must ensure that IC labeling requirements
are met. A clearly visible label on the outside of a non-removable part of the final product must include the following text:
TCM300C:
Contains IC: 5713A-STM300C
TCM320C:
Contains IC: 5713A-TCM320C
The OEM must sign the OEM Limited Modular Approval Agreement with EnOcean
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APPENDIX
A.1
EnOcean serial protocol
When the receiver is in “Serial Interface” mode, it transfers out data blocks of information
from the received RF telegrams. As long as no transmitter has been learned, all received
EnOcean telegrams are transferred. As soon as at least one transmitter has been learned
only telegrams of transmitters learned by the receiver are transmitted via the serial interface. The data block format is explained later in this document; it depends on the type of
sensor from which the telegram has been received.
A.1.1 Message format
The following figure shows the message format. A block is composed of 2 synchronization
bytes, 1 byte for the header and N bytes for the message data.
TxD
Sync
Sync
Header
...
Byte0
ByteN-1
Message format for asynchronous serial communication
A.1.2 Byte signals and bit order
9600 bps; 8 data bits, no parity bit, one start bit, one stop bit
Line idle is binary 1 (standard)
Each character has one start bit (binary 0), 8 information bits (least significant bit first)
and one stop bit (binary 1)
Byte
5V
TxD
STA D0
D1
D2
D3
D4
D5
D6
D7 STOP
0V
Bit
Time
Bit
Time
Bit
Time
Signals and bit order sending a byte
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A.2
Radio transmission/reception commands
The following commands are used to transmit and receive radio telegrams.
Command
TX_TELEGRAM (TRT)
RX_TELEGRAM (RRT)
Response (RMT)
OK, ERR, ERR_TX_IDRANGE
The TX_TELEGRAM and RX_TELEGRAM telegrams have the same structure. The only difference is in the H_SEQ code, TX_TELEGRAM is identified by “3”. RX_Telegrams are identified
by the H_SEQ codes according to table in A.2.1.
A.2.1 Description of serial data structure
Bit 7
Bit 0
SYNC_BYTE1 (A5 Hex)
SYNC_BYTE0 (5A Hex)
H_SEQ
LENGTH
ORG
DATA_BYTE3
DATA_BYTE2
DATA_BYTE1
DATA_BYTE0
ID_BYTE3
ID_BYTE2
ID_BYTE1
ID_BYTE0
STATUS
CHECKSUM
SYNC_BYTE 0..1 (8 bit each)
H_SEQ
(3 bit)
H_SEQ
0b000
•
•
•
0b001
•
•
0b010
•
•
0b110
•
Synchronization Bytes
Header identification
Meaning
Unknown transmitter ID received
(serial telegram only if no ID has been learned so far!)
For RPS also:
o Known transmitter ID and unknown rocker
o U-message from known transmitter ID received
For HRC also:
o Known transmitter ID and unknown rocker
o Scene switch command (last three bits of ID 0b111) from
known transmitter ID (only first 29 bits are compared!)
For 1BS and 4BS: Known transmitter ID received
For RPS: Known transmitter ID and at least 1 known rocker (1
or 2 rockers operated)
For HRC: Known transmitter ID and known rocker
New transmitter learned (If a switch telegram is received (RPS
or HRC), the rocker code (RID) is stored together with the ID.)
Transmitter just deleted (If a switch telegram is received (RPS
or HRC), the rocker code (RID) and module ID are checked. The
entry is only deleted if module ID and rocker are known.)
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Mode
Operating
Mode
Operating
Mode
Learn Mode
Learn Mode
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LENGTH
ORG
DATA_BYTE 0..3
ID_BYTE 0..3
(5
(8
(8
(8
bit)
bit)
bit each)
bit each)
STATUS
CHECKSUM
(8 bit)
(8 bit)
Number of octets following the header octet (11 dec)
Type of telegram (see detailed description below)
Data bytes 0..3 (see detailed description below)
32-bit transmitter ID3
For transmission of unique ID enter 0x00000000
Status field (see detailed description below)
Checksum (Last LSB from addition of all octets except
sync bytes and checksum)
A.2.2 Detailed description of ORG field
ORG field
(hex)
0x05
Acronym
Description
RPS
Telegram from a PTM switch module received
(e.g. PTM 100 or PTM 200)
1 byte data telegram from a STM sensor module
(e.g. STM 250)
4 byte data telegram from a STM sensor module
(e.g. STM 100)
Telegram from a CTM module received
Repeated Switch
0x06
1BS
1 Byte Sensor
0x07
4BS
4 Byte Sensor
0x08
HRC
Hand Remote Control
0xC5
SYS_EX
Remote Management Telegrams
(see separate specification)
System Extended
Please note that 6DT and MDA telegrams, which were available in TCM 1x0 / TCM
200C are no longer supported!
A.2.3 Detailed description of STATUS field
If ORG = 5 (Telegram from a PTM switch module):
Reserved
T21
NU
RP_COUNTER
Reserved
T21
(2 bit)
(1 bit)
NU
RP_COUNTER
(1 bit)
(4 bit) =0..15
For future use
T21=0 Æ PTM switch module of type 1,
T21=1 Æ PTM switch module of type 2
NU=1 Æ N-message, NU=0 Æ U-message.
Repeater level: 0 is original message (not repeated)
IMPORTANT NOTE FOR SYSTEMS USING AN ENOCEAN RADIO REPEATER:
Within toggle switch applications using the serial receiver mode in combination
with a separate repeater, please ensure that no serial command interpretation
error may occur at the connected control unit. A toggle signal means that the
same telegram is sent for switching something on and off. If e.g. the light is
This module allows using a unique ID or one of 128 IDs starting from BaseID. See A.3.1.
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switched on receiving the I-button telegram from a PTM 200C, the repeated telegram (delay <100 ms) may switch off the light again. It is therefore mandatory to
interpret the RP_COUNTER field. If a repeated telegram (RP_COUNTER>0) is received it has to be verified if the same telegram with a lower RP_COUNTER state
has already been received in the previous 100 ms. In this case the repeated message has to be discarded.
PTM switch modules of Type 2 (e.g. PTM 200) allow interpretation of operating two buttons
simultaneously:
N-message received Æ Only one or two pushbuttons have been pressed.
U-message received Æ No pushbutton was pressed when activating the energy generator, or more than two pushbuttons have been pressed.
Note for telegrams from PTM transmitters: Due to the mechanical hysteresis of the energy
bow, in most rocker switch device implementations, pressing the rocker sends an Nmessage and releasing the rocker sends a U-message!
If ORG = 6, 7 or 8 (all other telegrams):
Reserved
Reserved
RP_COUNTER
RP_COUNTER
(4 bit)
(4 bit)
For future use
Repeater level: 0 is original message (not repeated)
Please consider the “IMPORTANT NOTE” above!
A.2.4 Detailed description of DATA_BYTE 3..0 fields
If ORG = 5 and NU = 1 (N-message from a PTM switch module):
DATA_BYTE2..0
DATA_BYTE3
always = 0
as follows:
RID
RID
UD
PR
leased
SRID
SUD
SA
UD
PR
SRID
SUD
SA
(2 bit)
(1 bit)
(1 bit)
Rocker ID, from left (A) to right (D): 0, 1, 2 and 3
UD=1 Æ O-button, UD=0 Æ I-button
PR=1 Æ Energy bow pressed, PR=0 Æ Energy bow re-
(2 bit)
(1 bit)
(1 bit)
Second Rocker ID, from left to right: 0, 1, 2 and 3
(Second) SUD=1 Æ O-button, SUD=0 Æ I-button
SA=1 Æ Second action (2 buttons pressed
simultaneously), SA=0 Æ No second action
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If ORG = 5 and NU = 0 (U-message from a PTM switch module):
DATA_BYTE2..0
DATA_BYTE3
always = 0
as follows:
BUTTONS
BUTTONS
PR
(3 bit)
PR
(1 bit)
Reserved
(4 bit)
Reserved
Number of simultaneously pressed buttons, as following:
PTM 100 (Type1):
PTM200 (Type2):
0 = 0 Buttons
0 = 0 Button
1 = 2 Buttons
1 = not possible
2 = 3 Buttons
2 = not possible
3 = 4 Buttons
3 = 3 or 4 buttons
4 = 5 Buttons
4 = not possible
5 = 6 Buttons
5 = not possible
6 = 7 Buttons
6 = not possible
7 = 8 Buttons
7 = not possible
PR = 1 Æ Energy bow pressed,
PR = 0 Æ Energy bow released
for future use
If ORG = 6 (Telegram from a 1 Byte STM sensor):
DATA_BYTE2..0
DATA_BYTE3
always = 0
Sensor data byte.
If ORG = 7 (Telegram from a 4 Byte STM sensor):
DATA_BYTE3
DATA_BYTE2
DATA_BYTE1
DATA_BYTE0
Reserved
Value of third sensor analog input (AD_2)
Value of second sensor analog input (AD_1)
Value of first sensor analog input (AD_0)
Sensor digital inputs as follows:
DI_3 DI_2 DI_1 DI_0
According to “Standardization EnOcean Communication Profiles” which defines
interoperable communication profiles for devices based on EnOcean Technology
DI_3=0 indicates a teach-in telegram! DI_3 should therefore not be used for other
purposes than signalling a teach-in telegram.
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If ORG = 8 (Telegram from a HRC transmitter):
DATA_BYTE2..0
DATA_BYTE3
always = 0
as follows:
RID
RID
UD
PR
SR
Reserved
UD
PR
(2
(1
(1
(1
(3
bit)
bit)
bit)
bit)
bit)
SR
Reserved
Rocker ID, from left (A) to right (D): 0, 1, 2 and 3
UD=1 Æ O-button, UD=0 Æ I-button
PR=1 Æ Button pushed, PR=0 Æ Button released
SR=1 Æ Store, SR=0 Æ Recall (see note)
for future use
Note: The bit SR is used only when the lower 3 Bits from ID_BYTE0 = 0b111 (scene
switch), and RID ≠ 0 (indicates that the memory buttons M0-M5 are operated in the handheld remote control).
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A.3
Command telegrams and messages
A.3.1 ID Range commands
Every TCM 300 supports a unique 32 bit ID and in addition a range of 128 IDs starting at
an BaseID address. At production, every TCM 300 is programmed with a unique ID and a
BaseID address. The BaseID number can be read via the serial interface. In order to allow a
replacement of one unit with another unit (without having to go through the learning procedure with every receiver), the ID range can be changed via the serial interface.
The allowed ID range is from 0xFF800000 to 0xFFFFFFFF.
In order to prevent misuse, this feature can only be used 10 times!
Please note: The unique ID cannot be changed.
Command (TCT)
SET_BASEID
RD_BASEID
Response (RMT)
OK, ERR, ERR_IDRANGE
INF_BASEID
A.3.2 Receiver sensitivity commands
The receiver sensitivity can be changed by the following commands. In LOW sensitivity
mode, only transmitters in the vicinity of the module are received.
Command (TCT)
SET_RX_SENSITIVITY
RD_RX_SENSITIVITY
Response (RMT)
OK
INF_RX_SENSITIVITY
A.3.3 Reset command
Command (TCT)
RESET
Response (RMT)
A.3.4 SW Version
Command (TCT)
RD_SW_VER
Response (RMT)
INF_SW_VER
A.3.5 Error messages
Error Messages (RMT)
ERR
ERR_TX_IDRANGE
ERR_IDRANGE
ERR_SYNTAX
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A.3.6 Command Encoding
OK
Bit 7
Bit 0
Standard message used to confirm that an action was performed
correctly by the TCM.
In case of full duplex communication it may happen that serial
telegrams get corrupted and lost. Therefore it is recommended to
check for “OK” where applicable.
0xA5
0x5A
0x8B
0x58
ChkSum
ERR
Bit 7
Bit 0
Standard error message response if after a TCT command the
operation could not be carried out successfully by the TCM.
0xA5
0x5A
0x8B
0x19
ChkSum
SET_BASEID
Bit 7
Bit 0
0xA5
0x5A
0xAB
0x18
BaseIDByte3
BaseIDByte2
BaseIDByte1
BaseIDByte0
ChkSum
With this command the user can rewrite its ID range base number. The most significant ID byte is BaseIDByte3. The information of the 25 most significant bits is stored in FLASH.
The allowed ID range is from 0xFF800000 to 0xFFFFFFFF.
32
25 most significant bits
BaseID
This command can only be used a maximum number of 10 times.
After successfully ID range reprogramming, the TCM answers
with an OK telegram. If reprogramming was not successful, the
TCM answers sending an ERR telegram if the maximum number
of 10 times is exceeded or an ERR_IDRANGE telegram if the
BaseID is not within the allowed range.
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RD_BASEID
Bit 7
Bit 0
When this command is sent to the TCM, the base ID range number is retrieved though an INF_BASEID telegram.
0xA5
0x5A
0xAB
0x58
ChkSum
INF_BASEID
Bit 7
Bit 0
This message informs the user about the ID range base number.
0xA5
0x5A
0x8B
0x98
BaseIDByte3
BaseIDByte2
BaseIDByte1
BaseIDByte0
ChkSum
BaseIDByte3 is the most significant byte.
SET_RX_SENSITIVITY
Bit 7
Bit 0
0xA5
0x5A
0xAB
0x08
Sensitivity
ChkSum
© 2010 EnOcean | www.enocean.com
This command is used to set the TCM radio sensitivity.
In LOW radio sensitivity, signals from remote transmitters are
not detected by the TCM receiver. This feature is useful when
only information from transmitters in the vicinity should be processed. An OK confirmation telegram is generated after TCM sensitivity has been changed.
Sensitivity=0x00 Low sensitivity
Sensitivity=0x01 High sensitivity
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RD_RX_SENSITIVITY
Bit 7
Bit 0
This command is sent to the TCM to retrieve the current radio
sensitivity mode (HIGH or LOW).
This information is sent via a INF_RX_SENSITIVITY command.
0xA5
0x5A
0xAB
0x48
ChkSum
INF_RX_SENSITIVITY
Bit 7
Bit 0
This message informs the user about the current TCM radio sensitivity.
Sensitivity= 0x00 Low sensitivity
Sensitivity= 0x01 High sensitivity
0xA5
0x5A
0x8B
0x88
Sensitivity
ChkSum
RESET
Bit 7
Bit 0
0xA5
0x5A
0xAB
0x0A
ChkSum
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Performs a reset of the TCM microcontroller.
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RD_SW_VER
Bit 7
Bit 0
This command requests the TCM to send its current software
version number.
This information is provided via an INF_SW_VER telegram by the
TCM.
0xA5
0x5A
0xAB
0x4B
ChkSum
INF_SW_VER
Bit 7
Bit 0
0xA5
0x5A
0x8B
0x8C
TCM SW Version Pos.1
TCM SW Version Pos.2
TCM SW Version Pos.3
TCM SW Version Pos.4
API Version Pos.1
API Version Pos.2
API Version Pos.3
API Version Pos.4
ChkSum
Informs the user about the current software version of the TCM.
Example: Version 1.0.1.16
TCM SW Version Pos.1 = 1
TCM SW Version Pos.2 = 0
TCM SW Version Pos.3 = 1
TCM SW Version Pos.4 =16
ERR_SYNTAX
Bit 7
Bit 0
0xA5
0x5A
0x8B
Field
ChkSum
© 2010 EnOcean | www.enocean.com
This telegram is sent automatically through the serial port after
the TCM has detected a syntax error in a TCT telegram.
Errors can occur in the H_SEQ, LENGTH, ORG or CHKSUM
fields/bytes.
Field code:
H_SEQ=0x08
LENGTH=0x09
ORG=0x0B
CHKSUM=0x0A
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ERR_TX_IDRANGE
Bit 7
Bit 0
When a radio telegram intended to be sent has an ID number
outside the ID range, this error message is generated. The radio
telegram is not delivered.
0xA5
0x5A
0x8B
0x22
ChkSum
ERR_ IDRANGE
Bit 7
Bit 0
0xA5
0x5A
0x8B
0x1A
ChkSum
© 2010 EnOcean | www.enocean.com
This message is generated when the user tries to change the ID
range base using the SET_BASEID command to a value outside
the allowed range from 0xFF800000 to 0xFFFFFFFF.
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