Futaba FDK02TU COMMUNICATION SYSTEM LEAKY COAX User Manual users manual

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Date Submitted	2004-07-19 00:00:00
Date Available	2004-07-16 00:00:00
Creation Date	2004-07-05 13:45:40
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Document Lastmod	2004-07-05 13:47:13
Document Title	users manual

Ni04-008-1 rev 4.0
Instruction Manual
ＦＤＫ０２ＴＵ
This instruction manual contains important notices and how to use this product safely. Please be sure to read
this instruction manual before you use this product. Please understand the following symbols that are used in
this manual before reading this instruction manual.
The symbols are defined as follows:
WARNING
Indicates a hazard that can cause severe personal injury, death, or substantial
property damage if the warning is ignored.
CAUTION
Indicates a hazard that will or can cause minor personal injury, or property
damage if the caution is ignored.
FUTABA
Ni04-008-1 rev 4.0
WARNING
The following eight are extremely important warnings.
1. The user that changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
2. This equipment has been tested and found to comply with the limit for a Class B digital device,pursuant
to part 15 of the FCC rules.These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates,uses and can radiate radio frequency
energy and,if not installed and use in accordance with the instructions,may cause harmful interference to
radio communications.However,there is no guarantee that interference will not occur in a particular
installation.If this equipment dose cause harmful interference to radio or television reception,which can
be determind by turming the equipment off andon,the user is encouraged to try to correct the
interference by one or more of the following measure:
− Reorient or relocate the receiving antenna.
− Increase the separation between the equipment and receiver.
− Connect the equipmentinto an outlet on a circuit different from that to which the receiver is
connected.
− Consult the dealer or an experienced radio/TV technician for help.
3. Be sure to use this product within its specification; otherwise it may cause failures and malfunctions.
Especially, pay great attention to temperature range and power source voltage.
4. Do not install this product to the sites where the product is disposed under the direct sunlight and/or
under the high temperature. Prior to use this product, please make sure the temperature around the
site where you are planning to use this product, because this product is guaranteed at the limited
ranges in operating temperature and storage temperature. Operating the product beyond the
guaranteed temperature range may cause failure of this product.
5. Do not install this product in a high humidity area. A drop of water on the circuit inside of this
product may cause failure of this product.
6. Avoid this product from being watered. If water enters inside this product, it may cause failure of
this product
7. The specification of the external interface of this product is different from ordinary one. Please make
sure the wire identifications before connecting external equipment.
8. Be sure to confirm that the power switches are off before connecting or disconnecting connectors.
Connecting and disconnecting connectors while any power is on may cause failures and malfunctions.
FUTABA
Ni04-008-1 rev 4.0
CAUTION
The following three are very important cautions in handling this product.
1. This product is designed specially for industrial applications. If you are planning to use this product
in the area where the use of electromagnetic wave is restricted because medical equipment and
airplanes are used near its area, please confirm that this product does not interfere with those before
you use this product. Please do not use this product unless you can confirm that this product does not
interfere with those medical equipment and airplanes near the site.
2. Please pay attentions to the electromagnetic conditions around this product. This product uses
electromagnetic wave as a communication method. Consequently, if there is a strong source of
electromagnetic wave near this product, this product may not able to fully achieve its performance.
Please check the electromagnetic conditions around the site where you are planning to use this
product prior to use this product.
3. This instruction manual is protected by the law of copyright protects. Futaba Co. is not responsible to
any problem and incident that are caused from reprinting this instruction manual by somebody other
than Futaba.
FUTABA
Ni04-008-1 rev 4.0
Contents
1. INTRODUCTION
1-1. Special Features ・・・・・・・・・・・・・・・・・・・・・・・・・・・
1-2. Names and functions of parts of the mobile station ・ ・・・・・・・・・・・・
1-3. Names and functions of parts of the coupler unit ・ ・・・・・・・・・・・・・
p.1
p.1
p.3
2. Power
2-1. Before turning on the power ・・・・・・・・・・・・・・・・・・・・・・・
2-2. Voltage of the power source ・・・・・・・・・・・・・・・・・・・・・・・
2-3. Connector for the power source ・・・・・・・・・・・・・・・・・・・・・
2-4. Power switch ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
p.3
p.3
p.3
p.4
3. Coupler unit
3-1. Connecting the mobile station and the coupler unit・ ・・・・・・・・・・・・・
・・・・・・・・・・・・・・・・・・・・
3-2. Installment of coupler unit
・・・・・・・・・・・
3-3. Distance between the coupler unit and feeder cable
p.5
p.5
p.6
4. Connecting communication cable
4-1. Connector for RS-232C/RS-422/RS-485 ・ ・・・・・・・・・・・・・・・・・・
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
5. Setting switches
6. Communication command・・・・・・・・・・・・・・・・・・・・・・・・・・・
・・・・・・・・・・・・・・・・・・・・・・・・・・・・
7. Control command
8. Address
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
9. Communication with mobile stations・ ・・・・・・・・・・・・・・・・・・・・・・
p.7
p.8
p.10
p.11
p.13
p.13
10. Indicators
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
p.14
11. External Reset
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
p.14
12. Product specification ・・・・・・・・・・・・・・・・・・・・・・・・・・・・
p.14
13. Frequency channel
・・・・・・・・・・・・・・・・・・・・・・・・・・・・
FUTABA
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Ni04-008-1 rev 4.0
1. INTRODUCTION
1-1. Special Features
1)
FDK02TU (mobile station) communicates with the modem FDK01TU ( fixed station) through
coupler FZE02TJ010 and 200-ohm feeder cable.
2)
Communication speed is 100Kbps across the feeder wires.
3)
FDK has a function to carry out error correction by the combination of ARQ ( Automatic
Retransmission Request) and FEC of BCH ( 15,7) .
4)
In this system, multiple mobile stations can be allocated to the single feeder cable. And each mobile
station can have individual address that can be set externally. As a result, a single fixed station and
multiple mobile stations can establish a communication network.
5)
The interface between the external controller and the fixed station or the one between the external
controller and the mobile stations is designed to meet RS-422, RS-485 and RS232C.
1-2. Names and functions of parts of the mobile station
① Indicators of signal reception level
② Indicator of signal transmission
③ Switches to set address
④ Switches to set communication parameters
⑤ Switches to set transfer speed
⑥ Switches to set parameters for RS-422/RS-485 terminators
⑦ Indicator of power switch
③
④
⑤
①
⑥
②
⑦
FUTABA
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Ni04-008-1 rev 4.0
⑧
⑨
⑩
⑪
Power switch
Connector to the 24V DC power
Connector to the external reset
Interface connector to RS-232C/RS422/RS485 ( specially defined pin assignment)
⑧
⑨
⑩
⑪
⑫
⑬
⑭
⑮
R2 : Connector for receiving signal from coupler unit 2
R1 : Connector for receiving signal from coupler unit 1
T2 : Connector for sending signal to coupler unit 2
T1 : Connector for sending signal to coupler unit 1
⑫
R2
⑬
R1
FUTABA
⑭
T2
⑮
T1
p.2
Ni04-008-1 rev 4.0
1-3. Names and functions of parts of the coupler unit
⑯
⑰
⑱
⑲
Connect this terminal to the mobile station's R1 or R2.
This surface to face the feeder cable
Holes for screws to hold this coupler unit
Connect this terminal to the mobile station's T1 or T2.
⑰
⑱
⑯
⑲
2. Power
2-1. Before turning on the power
Be sure to read this instruction manual prior to turning on the power of the modems.
Improper operations of the FDK modem may not only cause failures of communication but also cause
malfunctions and/or damages of this modem and the external equipment connected to this modem.
In order to establish proper communication between this modem and the fixed station, communication
parameters should be set by switches, which should be set before turning on the power switch.
In addition, since Futaba has specially defined the pin-assignment of interface connector for
RS-232C/RS-422/RS-485; please carefully confirm the wire identifications of the interface cable and pin layout.
2-2. Voltage of the power source
The input voltage to this modem should be within the range of 20Vdc and 29Vdc. Otherwise, this modem and
the external equipment connected to this modem may cause damages or malfunctions.
2-3. Connector for the power source
The type of the connector used for this modem is S2P-VH made by J.S.T. Mfg Co., Ltd. Supply the voltage
anywhere between 20Vdc and 29Vdc to the "+" marked terminal and connect the ground wire to the "-"marked
terminal.
FUTABA
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Ni04-008-1 rev 4.0
Connector for the power source
picture 2-3
2-4. Power switch
The label "POWER" is printed beside the power switch of this modem. ( See picture 2-4)
Pushing this switch toward "ON" will turn on the power switch and the LED indicator of the power on top of
the unit turns on green. On the other hand pushing the switch toward "OFF" will turn off the power. The
picture 2-4 shows "OFF" state.
Power switch
picture 2-4
FUTABA
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Ni04-008-1 rev 4.0
3. Coupler unit
3-1. Connecting the mobile station and the coupler unit
A mobile station has four 50-ohm impedance SMA connectors. The connector type used here is;
Connector
: MKT TAISEI CO., LTD. CON1718-BN
4 pieces
Two connecters are for transmission and the other two are for reception.
Connections between a mobile station and the two units of couplers are shown in figure 3-1. T1 and R1 of a
mobile station should be connected to one unit of two couplers. T2 and R2 of the mobile station should be
connected to the other like figure 3-1.
mobile station
rear panel
T1
15x
coupler １
T2
23x
R1
15x
R2
23x
coupler ２
ferrite core
NEC TOKIN CO.
ESD-SR-12
≧ 100-ohm
(100MHz)
3-2. Installment of coupler unit
① Holes for screws to hold this coupler unit
Use two ISO M3 screws to hold the unit.
② This surface to face the feeder cable
①
②
FUTABA
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Ni04-008-1 rev 4.0
3-3. Distance between the coupler unit and feeder cable
Install coupler units and feeder cables in the shadowed area in the figure 3-3, otherwise communication cannot
be carried out.
Y=20mm
coupler unit
X=15mm
Figure 3-3
FUTABA
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Ni04-008-1 rev 4.0
4. Connecting communication cable
4-1. Connector for RS-232C/RS-422/RS-485
Connector model: Hirose Electric Co., Ltd. RDED-9P-LN ( 4-40)(50)
Please select one out of RS-232C, RS-422 and RS-485.
6 7 8 9
Ｄ－sub 9PIN
PIN No.
１
２
３
４
５
６
７
８
９
Signal name
NC
TD
RD
NC
GND
RD+
RDTD+
TD-
note
RS-232C transfer data
RS-232C recieve data
Signal ground.
RS422 ／ RS485
RS-232C uses the pins 2, 3 and 5.
RS-422 and RS-485 use the pins 5 through 9.
SW 1 on top of the unit can select either RS-422 or RS-485 and can either connect the termination resisters or
disconnect them.
SW2 is the common switch for RS-232C, RS-422 and RS485 to set parameters of communication speed and so
on.
Please refer to the next section for further detail.
FUTABA
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Ni04-008-1 rev 4.0
5. Setting switches
The functions of the dipswitches and a rotary switch are follows:
SW1
SW2
SW3
SW4
8bit DIP-SW
8bit DIP-SW
8bit DIP-SW
3 sets of 16-step rotary switch
table 5-1
Set parameters of RS-422/485
Set transfer speed
Set communication parameters
Own station address
Table 5-2 SW1 (DIP-8)
内
容
bit
ON
OFF
1 Connect/disconnect TD+ and RD+
connected
open
2 Connect/disconnect TD- and RDconnected
open
3 Connect/disconnect the resister connected
open
between TD+ and TD4 Connect/disconnect the resister connected
open
between RD+ and RD5 Connect/disconnect the pull-up connected
open
resister to RD+
6 Connect/disconnect the pull-down
connected open
resister to RD7 Set parameters of RS-422/485 OFF during Normally
reception driverRS-422/485
transmission ON
8 Reserved
The shadowed indicates the Ex-factory conditions
Item
Set D-sub connector
Set termination
resisters(RS-422/485)
Figure 5-1 RS-422/485 interface circuitry
ＬＴＣ４９１
TD+
100Ω
internal
TD
bit3
TD-
DE
bit1
1kΩ
bit2
bit7
1kΩ
bit5
RD+
100Ω
internal
RD
bit4
RD-
ＬＴＣ４９１
bit6
1kΩ
FUTABA
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Ni04-008-1 rev 4.0
Table 5-3 SW2 ( DIP-8)
Item
Set D-sub connector
(wiring of RS-232C)
bit
1 Select RS-232C or RS-422/485
１ packet user data length
4 Reserved
Common for
5 Transfer speed
RS-422/485/232C
8 Reserved
The shadowed indicates the Ex-factory conditions.
ON
RS-422/485
OFF
RS-232C
Refer to table 4-4
Refer to table 4-5.
Table 5-4 Setting of 1 packet user data length
SW2
Number of user data bytes
No.
[BYTE]
bit3
bit2
OFF
OFF
OFF
ON
16
ON
OFF
32
ON
ON
64
The shadowed indicates the Ex-factory conditions.
Table 5-5 Setting of transfer speed
SW2
Transfer speed
No.
[bps]
bit7
bit6
bit5
OFF
OFF
OFF
4800
OFF
OFF
ON
9600
OFF
ON
OFF
19200
OFF
ON
ON
38400
ON
OFF
OFF
57600
ON
OFF
ON
reserve
ON
ON
OFF
115200
ON
ON
ON
115200
The shadowed indicates the Ex-factory conditions.
Table 5-6 SW3 (DIP-8)
Item
bit
content
Data length
Stop bit
Communication parameters
Parity
Parity even or odd
Software flow control
Multi-connection or single
connection with RS-422/485
Add "CR" and "LF" to reception
7 data and output it to the external
I/F
8 Output packets to all mobile
stations and the host computer
The shadowed indicates the Ex-factory conditions.
FUTABA
ON
yes
even
valid
multi
OFF
none
odd
Not valid
single
add
Not add
output
Not
output
p.9
Ni04-008-1 rev 4.0
Table 5-7 SW4 ( 3 sets of 16-step rotary switch)
Item
Own address
Effective value
400h to 9FFh
note
Default value is 400h
000h through 3FFh are prohibited.
6. Communication command
Input and output between external control equipment and mobile stations are carried out by packet method.
The data format of the packet method is either in the sequence of "@TXT ( address) (user data) [CR][LF]"
or in the sequence of "@TBN ( address) (data length) (user data)"
Binary data method is useful to avoid communication errors when a control code matches exactly a part of user
data.
@TXT (address) (user data) [CR][LF]
Text data
Address
: ASCII code, hexadecimal 3-digits
(For instance, 4 is "34h" in ASCII.)
Data
: ASCII code, hexadecimal
The data length : Arbitrary but no more than 1024 bytes.
[CR]
: 0Dh in hexadecimal
[LF]
: 0Ah in hexadecimal
Example
: Sending "ABCDEFG" to a mobile station whose address is 400.
@TXT400ABCDEFG[ CR][LF]
Binary data
@TBN (address) (data length) (user data)
Address
Data length
[CR][LF]
: ASCII code, hexadecimal 3-digits
: "001" to "400" (0 to 1024 bytes)
The number of bytes should be expressed by hexadecimal 3-digits in
ASCII code.
: not necessary
If data length is longer than predetermined data length, the surplus of the data will slide in
front of the next instruction. Therefore "NG[ CR][LF]" may be returned to the data
sender.
Example
: Sending 7 bytes of binary data to a mobile station whose address is 400.
@TBN400007 ( 7 bytes of binary data)
Taking into consideration the manual input through terminal software, the text data method can delete a
character by recognizing backspace key while the binary data method treats backspace key as data.
In the communication between the feeder cable and mobile stations, a packet is defined and transmitted as the
number of user bytes that are set by bit2 and bit3 of the DIP SW2.
In the case that transmission and reception of all the data is completed properly, the sender will output the
FUTABA
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Ni04-008-1 rev 4.0
message "OK [ CR][LF]" after receiving ACK of the last packet.
On the other hand, the receiver will output the same character string that was sent from the sender from the
headfirst. In case of @TBN command, the receiver will output the data that is within the range determined by
the user data length, otherwise surplus of the data will not be outputted.
In case of communication error, if ACK is not returned from the destination after repeating retransmission up
to the preset number, the sender will stop sending data and output "NG [ CR][LF]" immediately after
detection of the end of input data.
In case of failure while sending a packet due to communication error, the sender will output the partial data
that the sender could properly receive from the external interface of the receiver.
7. Control command
Control commands are used for controlling the fixed station.
Command table
No.
Command
string
FRQ
PNG
SWR
RST
COP
１
２
３
４
５
content
Write or read frequency channel number
Request response & read the reception intensity of the destination
Read switch information
Reset software
Setting of the coupler or readout
@FRQ
: Write or read frequency channel number
1) Input
: @FRQpp[ CR][LF]
pp : Input a number between 1 and 50 ( ASCII code) or input nothing for pp.
(note)
Inputting a single digit is allowed for 1 through 9.
Do not input space between "FRQ" and "pp".
2) Processing : If there is no input for "pp", the current frequency channel number will be outputted.
Response message
FRQ = pp[CR][LF]
(note)
pp : 01 to 50 ( ASCII code)
Spaces are necessary in front of and afterwards of "=".
: If a channel number is inputted in "pp", this modem will return "OK" message to the host
computer after changing the SRAM register and reassign the frequency number,.
3)
Frequency channel at the booting
At the booting this modem and resetting the software, the frequency channel is given by the setting
by SW5 on the case top.
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Ni04-008-1 rev 4.0
@PNG
: Request response & read the reception intensity of the destination
1) Input
: @PNG[CR][LF]
2) Processing : Receiving this command, this modem returns as a response message the signal intensity
of the last packet that this modem has received.
Response massage
RSSI = nn[ CR][LF]
nn : Hexadecimal number of signal intensity in [ dBm]
@SWR
: Read switch information
1) Input
: @SWR[CR][LF]
2) Processing : Receiving this command, this modem outputs information related to its switches of SW2
through SW5. SW1 has no function to send its information.
SW2 : Binary, 8 digits ( 0: OFF, 1:ON BIT8 is in the far left.)
SW3 : Binary, 8 digits ( 0: OFF, 1:ON BIT8 is in the far left.)
SW4 : Hexadecimal, 2 digits ( The lower 2 digits of address)
SW5 : Hexadecimal, 2 digits
In case of the fixed station, this figure shows the setting condition of its channel switches.
The most significant digit of the mobile station address corresponds to the rotary switch in the far right
of the SW5.
@RST
: Reset software
1) Input
: @RST[CR][LF]
2) Processing : Receiving this command, software will be reset.
This command restarts the exerciser program from the start address.
Also the SRAM register will be reset to the condition when this modem was turned on.
In addition, this command will initialize not only the software but also the hardware of this modem.
It takes about 300ms.
After the completion of initialization, a response message of "OK" will be returned to the host
computer.
@COP
1) Input
: Setting of the coupler or readout ( valid only for mobile stations)
: @COPp[CR][LF]
"p" should be 1 or 2 in ASCII code, or enter nothing.
Do not input space between "COP" and "p".
2) Processing : in case of no value for "p";
The current status of the coupler is read out.
The message will be;
COP = p[CR][LF]
p= 1 or 2 in ASCII code
A space code ( 0x20) will be added to either side of the "=".
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Ni04-008-1 rev 4.0
: In case that some value is inputted for "p":
Coupler units will be switched.
3) Default setting
COP = 1
4)
Timing of command execution
Receiving a command from external I/F, the mobile terminal will carry out the command and return
its end message immediately after the disconnection of the coupler is completed. This command will
be carried out regardless of the communication status on the feeder.
8. Address
The effective addresses for mobile stations are from 400 trough 9FF.
Use rotary switch SW4 for setting.
Set the address at "001" when sending data to the fixed station from mobile stations.
The address setting of the fixed station is required only for the host computer to send control command to
the specific one of the fixed stations that is connected in multi-drop fashion. No specific address is
necessary in case sending data from mobile stations, because there exits only one fixed station.
9. Communication with mobile stations
Communication procedure ( an example)
①
②
③
④
⑤
⑥
⑦
Set parameters of fixed station, and make it effective to communicate with mobile stations.
Connect to the power source.
Connect the external interface ( One of RS-232C, RS422 and RS485)
Connect to the matching/distributing unit.
(The order between ② and ④ can be changed freely.)
Turn on the fixed station and mobile stations.
(The order to turn on the powers is free.)
Wait more than 1 second and then set frequency channel.
After receiving a response of "OK", forward to the next step.
Send command/data in format of @TXT or @TBN.
If "OK" is returned, the communication is completed.
If "NG" is returned, possible reasons of the failure are insufficient signal strength and improper settings of
communication cable, switches and frequencies.
Send @PNG command and read the value of RSSI. If the value is 57 or lager, please confirm the setting
condition again.
If "OK" is returned, it is possible to continue communication by repeating ⑦ .
FUTABA
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Ni04-008-1 rev 4.0
10. Indicators
POWER
DOWN LINK
UP LINK
RX LEVEL
When green LED is on, the power is on.
When green LED is off, there is no packet.
When green LED is on, packets have been sent to feeder cables.
Combinations of eight LEDs indicate the levels of the signal intensity.
2 Red LEDs ON
: < or =-90dBm
2 Red and 1 Orange LEDs
: < or =-85dBm
2 Red and 2 Orange LEDs
: < or =-80dBm
2 Red, 2 Orange 1 Green LEDs : < or =-75dBm
2 Red, 2 Orange 2 Green LEDs : < or =-70dBm
2 Red, 2 Orange 3 Green LEDs : < or =-65dBm
2 Red, 2 Orange 4 Green LEDs : > -65dBm
11. External Reset
The following connector is equipped with this modem so that the hardware of this modem can be reset
externally.
Connector type
: J.S.T. Mfg Co., Ltd S3B-XH-SM3-TB
In order to reset this modem externally, short #2 and #3 pins of the RESET connector in the picture 11-1
more than 10ms: then disconnect them.
One of the terminals is connected to the internal power source and the other is to the ground line through
560ohm resister respectively.
12. Product specification
12-1. communication characteristics of feeder cable
項
目
Up link frequency band ( transmitter)
Down link frequency band ( receiver)
Frequency band per channel
Interval between frequency channels
Number of frequency channels
Emission power
Reception signal intensity
Addresses for mobile modems ( own address)
Communication speed
Communication mode
Error detection/correction
内
容
151 MHz ∼ 156 MHz
230 MHz ∼ 235 MHz
100 kHz
100 kHz
50
FCC part15
ClassB
≦ 43.5dB μ V/m at 3m
-４
-87dBm ( at 100kbs, BER ≦ 10 )
400h ∼ 9FFh(1536 addresses）
100
kbps
Full-Duplex Packet mode
Combination of ARQ and BCH
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Ni04-008-1 rev 4.0
12-2. external I/F specification
Item
Connector
Communication standards
Communication speed
Communication method
others
12-3. mobile station's general specification
Item
Voltage of the power source
Consumption power
Outer dimensions
Weight
Material of the chassis
Surface treatment of the chassis and color
Operating temperature range
Storage temperature range
Operating humidity rage
Storage humidity range
Anti-vibration
Anti-shock
Anti-electro static
Notes
D-sub 9 pins
RS-232C, RS-422, RS-485( Specially defined pin
assignments are used for this product.)
4800bps to 115.2kbps
Full-Duplex Packet mode
RS-232C,RS-422
Full-Duplex Packet mode
RS-485
Connect/disconnect signal linesConnect/disconnect
terminator resistance for RS-422 and RS485
Notes
DC 20V to 29V
≦３Ｗ
102(D) x 116(W) x 35(H) mm
≦ 550g
Iron (1 mm thickness)
Surface treatment : Coating on bonded steelColor
: DIC 546 1/2 ( Dainippon Ink)
-10C to +50C
-20C to +70C
35%RH to 95%RH ( under no condensation)
35%RH to 95%RH ( under no condensation)
The product should survive the following
vibration test;
Vibration amplitude : 3.5mm
Frequency
: 10Hz
2 hours for back and forth
2 hours for left and right
4 hours for up and down
The product should survive the following shock
test;
Acceleration : 500 m/s
3 times along with 3 axis,
total 9 times500 m/s
Apply following high voltageInput/output
terminals
: ± 1kV (contact discharge) Chassis
: ± 5kV (non-contact discharge)
There should be no malfunction after test.
Chassis
: ± 10kV (non-contact discharge)
There should be no damage after test.The test
follows JASO-D-001-94 5.8 ( A-2,B-2,C-2)
FUTABA
p.15
Ni04-008-1 rev 4.0
13. Frequency channel
Channel No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Frequency
Down-link
Up-link
[MHz]
[MHz]
230.05
151.05
230.15
151.15
230.25
151.25
230.35
151.35
230.45
151.45
230.55
151.55
230.65
151.65
230.75
151.75
230.85
151.85
230.95
151.95
231.05
152.05
231.15
152.15
231.25
152.25
231.35
152.35
231.45
152.45
231.55
152.55
231.65
152.65
231.75
152.75
231.85
152.85
231.95
152.95
232.05
153.05
232.15
153.15
232.25
153.25
232.35
153.35
232.45
153.45
Channel No.
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
FUTABA
Frequency
Down-link
[MHz]
232.55
232.65
232.75
232.85
232.95
233.05
233.15
233.25
233.35
233.45
233.55
233.65
233.75
233.85
233.95
234.05
234.15
234.25
234.35
234.45
234.55
234.65
234.75
234.85
234.95
Up-link
[MHz]
153.55
153.65
153.75
153.85
153.95
154.05
154.15
154.25
154.35
154.45
154.55
154.65
154.75
154.85
154.95
155.05
155.15
155.25
155.35
155.45
155.55
155.65
155.75
155.85
155.95
p.16

---

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