Jinan USR IOT Technology IO808 8DI8DO Network IO with ETH/WIFI User Manual USR IO808 EWR V1 0 4 01

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Document Description	User Manual
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Date Submitted	2018-12-19 00:00:00
Date Available	2018-12-19 00:00:00
Creation Date	2018-06-22 17:01:30
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Document Lastmod	2018-09-26 21:46:41
Document Title	USR-IO808-EWR User Manual_V1.0.4.01
Document Creator	Microsoft® Word 2016
Document Author:	济南有人物联网技术有限公司

USR-IO808-EWR User Manual
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USR-IO808-EWR User Manual
File Version: V1.0.4.01
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Contents
USR-IO808-EWR User Manual ........................................................................................................................... 1
Features .................................................................................................................................................................... 3
1. Get Start ................................................................................................................................................................ 4
1.1. Product introduction............................................................................................................................... 4
1.2. Basic parameters .................................................................................................................................... 4
1.3. Hardware .................................................................................................................................................. 4
1.3.1. Interface ........................................................................................................................................ 5
1.3.2. LED.................................................................................................................................................. 5
1.3.3. Dimension ..................................................................................................................................... 5
1.4. Test............................................................................................................................................................. 6
1.4.1. Control by serial ........................................................................................................................... 7
1.4.2. Web Server .................................................................................................................................... 9
1.4.3. Control by USR Cloud ................................................................................................................... 9
2. Product function ................................................................................................................................................ 11
2.1. DI input .................................................................................................................................................... 11
2.1.1. Electrical level detection ............................................................................................................. 11
2.1.2. Buttons detection ........................................................................................................................ 11
2.1.3. Pulse counting ............................................................................................................................ 12
2.2. DO output................................................................................................................................................ 12
2.3. Work mode ............................................................................................................................................. 12
2.3.1. Master mode................................................................................................................................ 12
2.3.2. Slave mode ................................................................................................................................... 14
2.4. Upgrade firmware ................................................................................................................................. 15
2.5. Ethernet interface and WiFi ............................................................................................................... 15
2.5.1. Ethernet interface ..................................................................................................................... 15
2.5.2. WiFi .............................................................................................................................................. 15
2.6. Serial port............................................................................................................................................... 16
2.6.1. Basic parameters ....................................................................................................................... 16
2.6.2. Configuration method ............................................................................................................... 16
2.7. Features................................................................................................................................................... 16
2.7.1. Relay output status hold ............................................................................................................ 16
2.7.2. Conditional control .................................................................................................................... 17
2.7.3. Connect to remote server ......................................................................................................... 18
2.7.4. Reset to default by hardware ................................................................................................... 18
3. Modbus ............................................................................................................................................................... 19
3.1. Modbus frame ........................................................................................................................................ 20
3.2. Register distribution ............................................................................................................................ 20
4. Contact Us........................................................................................................................................................... 23
5. Disclaimer .......................................................................................................................................................... 24
6. Update History .................................................................................................................................................. 24
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Features
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Support 8-way Relay output.
Support 8-way input, default is dry contact.
Support 8 conditional control command.
Support Web Server to configure IO808-EWR.
Support various function code: 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x0F, 0x10.
Support socket to connect to remote server and TCP Client.
Support two work modes: Master mode and Slave mode. Master mode supports connecting to multiple
Modbus RTU devices by RS485 cascading connection.
Adopt Modbus RTU protocol data processing. Support Modbus TCP/RTU protocol adaptation.
Support WAN/LAN interface and LAN interface network.
Support AP and STA two WiFi modes.
Support connecting to USR Cloud.
Support FTP remote upgrade.
Support upgrading by RS485.
Support hardware watchdog.
Support various LED to indicate work status.
Support power supply over-current, over-voltage, anti-reverse connection protection.
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1. Get Start
If user has any question, please submit it back to customer center: h.usriot.com.
1.1. Product introduction
USR-IO808-EWR is network IO product which supports 8-way input/output and Modbus RTU/TCP protocol. Take
‘Remote control’ as core function and have high usability. User can easily and quickly integrate USR-IO808-EWR
into own system to realize remote, LAN and local control which based on Ethernet, WiFi and RS485.
1.2. Basic parameters
Parameter
Ethernet interface
Value
Wired WAN/LAN interface
10/100M WAN/LAN interface
Wired LAN interface
10/100M LAN interface
Standard
Support 802.11b/g/n
Antenna
2.4G WiFi antenna
Range
100 meters in open area
Data interface
Serial port: Support RS485.
Baud rate: 300bps~230400bps
Working voltage
DC: 12V~36V
DI input
Dry contact input, just needing to short-circuit DI
and COM
DO output
AC 220V 10A
DC 28V 10A
Working temperature
-20℃ ~ +70℃
Storage temperature
-40℃ ~ +85℃
Working humidity
5%~95%
Storage humidity
1%~95%
Dimension
200*122*29mm
Work mode
Master mode, slave mode
Configuration command
Modbus RTU
Network protocol
Modbus TCP, Modbus RTU
Application software
Support configuration software
DNS
Support
Data transmission mode
Support TCP Client
ESD
IEC61000-4-2, Level 4
Surge
IEC61000-4-5, Level 3
Group pulse
IEC61000-4-4, Level 3
WiFi parameters
Hardware parameters
Software parameters
Software function
EMC level
Figure 1 Basic parameters
1.3. Hardware
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1.3.1. Interface
Figure 2 Product interface diagram
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Antenna: WiFi antenna
RS485: RS485 interface
DO: DO1~DO8 are 8-way Relay output
DI: 8-way input, default is dry contact
WAN/LAN: Device WAN/LAN interface and can switch between WAN/LAN
LAN: Device LAN interface
DC: 12-36V. DC 12~36V power supply. Low power supply will cause IO808-EWR can’t start.
1.3.2. LED
LED
Function
Status
POWER
Indicate power status
Light after powering module
WORK
Indicate system running status
Blink every 1 second after product system running;
Blink every 0.2 second during upgrading firmware
process.
NET
Indicate network connection status
Light after connecting to remote server
WAN/LAN
Indicate WAN/LAN interface status
Light after connecting to network. Blink if has data
interaction.
LAN
Indicate LAN interface status
Light after connecting to network. Blink if has data
interaction.
Figure 3 LED
1.3.3. Dimension
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Figure 4 Dimension diagram
Fixed installation diagram as follow:
Figure 5 Fixed installation diagram
1.4. Test
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Connect PC to USR-IO808-EWR by USB -> RS485 cable.
Connect IO808-EWR’s WAN/LAN interface to router.
Connect IO808-EWR’s LAN interface to PC.
Power the IO808-EWR.
After powering on, please wait about 15 seconds and user’s PC can access internet.
Note: If user uses USR-IO808-EWR firstly and can’t access internet with correct connection, it maybe the
following reason: LAN interface network segment is same as USR-IO808-EWR’s LAN interface network segment.
The solution is: Enter USR-IO808-EWR’s Web Server(Default IP address is 192.168.10.1) and modify LAN
interface IP address to other network segment, then restart device.
1.4.1. Control by serial
Power IO808-EWR and connect IO808-EWR’s RS485 interface to PC. Run setup software USR-IO V1.0.28.exe and
choose IO808-EWR. Choose correct COM and configure correct serial port parameters as follow(Default settings
is 9600, None, 8, 1):
Figure 6 Open serial
After opening serial port, click ’Search’ to search IO808-EWR and click ‘停止’ to stop searching after finding
IO808-EWR. Then choose IO808-EWR as follow:
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Figure 7 Search IO808-EWR
Then user can control devices.
Figure 8 Control devices
User can also click ‘Switch To Param Set’ on above figure to enter IO808-EWR configuration page.
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Figure 9 Configuration page
1.4.2. Web Server
The initial parameter of USR-IO808-EWR to enter Web Server as follow:
Work mode
Network data transparent transmission
Username
admin
Password
admin
LAN interface IP address
192.168.10.1
Figure 10 Initial parameter of USR-IO808-EWR to enter Web Server
Type 192.168.10.1 into browser address bar and log in with username and password(Both are admin). Then user
can query and configure parameters of USR-IO808-EWR by Web Server.
1.4.3. Control by USR Cloud
User can type http://console.usr.cn/ into browser address bar to enter USR Cloud web page and login with
username and password. Then user can add device as follow:
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Figure 11 Add IO808-EWR
Choose ‘Networking I/O controller’ as ‘Device type’, write IMEI and SN on IO808-EWR’s label and click ‘Save’ to
add IO808-EWR.
After adding IO808-EWR, power IO808-EWR and wait LED ‘NET’ light which means IO808-EWR connects to USR
Cloud. Then user can remotely look over, record and control IO808-EWR status in real time through USR
Cloud(Monitor->Data list).
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2. Product function
USR-IO808-EWR functional diagram as follow:
Serial port
device(Should
support
Modbus RTU
protocl)
Switch/Button
input
Relay output
Input
Output
RS485
Modbus
TCP/RTU
protocol
conversion
Execute Modbus protocol
Slave mode
Data transparent
transmission
RTU check
RTU check
Master mode
Network
server
Communication
module
Figure 12 Functional diagram
2.1. DI input
2.1.1. Electrical level detection
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Register address range: 32~39(0x0020~0x0027)
Supported function code: 02(Read discrete input), 03(Read holding register)
Connection: Default is dry contact input. Short-circuit DI and COM will change input status. If user needs wet
contact input can contact to our sales personnel
Electrical level detection: Default status is 0, after short-circuiting DI and COM, status will be 1. Detection
method: 02 function code of Modbus protocol.
Example:
Detect input of the first way, send: 11 02 00 20 00 01 BA 90
Short-circuiting will return: 11 02 01 01 64 88
No short-circuiting will return: 11 02 01 00 A5 48
2.1.2. Buttons detection
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Register address range: 48~55(0x0030~0x0037)
Supported function code: 03(Read holding register), 04(Read input register)
Connection: Default is dry contact input. Short-circuit DI and COM will change input status. If user needs wet
contact input can contact to our sales personnel
Electrical level detection: Default status is 0000, after short-circuiting DI and COM and then releasing, status
will be FF00. Detection method: Read button register value by 03 function code of Modbus protocol. After
reading once button register, status will recover to 0000; after executing conditional control, status will
recover to 0000. too.
Example:
Detect the first way button, send: 11 03 00 30 00 01 86 95
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No button will return: 11 03 02 00 00 79 87
Have button will return: 11 03 02 FF 00 38 77
2.1.3. Pulse counting
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Register address range: 64~71(0x0040~0x0047)
Supported function code: 03(Read holding register), 04(Read input register)
Connection: Default is dry contact input. Short-circuit DI and COM will change input status. If user needs wet
contact input can contact to our sales personnel
Pulse counting: Default status is 0, short-circuit DI and COM and then release will count 1. Detection method:
Read pulse counting register value by 03 function code of Modbus protocol. Maximum value of pulse counting
is 65535 and it will restart counting after exceeding 65535. Can’t reset count to 0 and restart product won’t
save count.
Note: Pulse counting won’t filter input waveform and all pulse in the range of detection will be recorded. So
input waveform should keep stable to ensure accurate count.
Example:
Detect count of the first way, send: 11 03 00 40 00 01 87 4E
Return: 11 03 02 00 00 79 87
2.2. DO output
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Register address range: 00~07(0x0000~0x0007)
Supported function code: 01(Read coil), 05(Write single coil), 0F(Write multiple coil)
Connection: DO output is Relay passive output. Don’t power the coil, Relay COM and NC will close, COM and
NO will open. After powering, the contrary is the case.
Take the first way Relay control as example:
Query: 11 01 00 00 00 04 3F 59
Control to close: 11 05 00 00 FF 00 8E AA
Control to disconnect: 11 05 00 00 00 00 CF 5A
2.3. Work mode
Default work mode of USR-IO808-EWR is slave mode. IO808-EWR will be slave both on network side and RS485
side and IO808-EWR will discard data if IO808-EWR receives data not for IO808-EWR local address.
2.3.1. Master mode
Master mode data flow diagram and connecting to network diagram as follows:
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Figure 13 Master mode data flow
Figure 14 Connecting to network in Master mode
In master mode, server can communicate to network IO product IO808-EWR and Modbus devices which connect
to IO808-EWR’s RS485 interface. RS485 side can also transmit data to IO808-EWR directly.
User can configure IO808-EWR to Master mode by setup software as follow(Configure RS485 mode to 1.DTU):
Figure 15 Configure IO808-EWR to Master mode
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2.3.2. Slave mode
Slave mode data flow diagram and connecting to network diagram as follows:
Figure 16 Slave mode data flow
Figure 17 Connecting to network in Slave mode
In this mode, IO808-EWR can communicate to network server and Modbus devices on RS485 network. But
network server can’t communicate to Modbus devices on RS485 network.
User can configure IO808-EWR to salve mode by setup software as follow(Configure RS485 mode to
2.RTUSLAVE):
Figure 18 Configure IO808-EWR to Slave mode
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2.4. Upgrade firmware
User can refer to FAQ <>.
2.5. Ethernet interface and WiFi
2.5.1. Ethernet interface
USR-IO808-EWR has two Ethernet interface: WAN/LAN interface and LAN interface. WAN/LAN interface
supports switching between WAN/LAN by modifying value of corresponding register. User can configure by setup
software as follow:
Figure 19 WAN/LAN switch
2.5.2. WiFi
USR-IO808-EWR supports WiFi function and AP/STA two WiFi modes,
AP mode:
1. Set WiFi mode to 1(AP mode) and AP’SSID/AP’s password, then restart device.
2. After restarting successfully, use PC or mobile to search IO808-EWR and connect.
STA mode:
1. Set WiFi mode to 2(STA mode) and SSID/password of the target AP which user wants to connect IO808-EWR to,
then restart device.
2. After restarting successfully, IO808-EWR will connect to target AP automatically.
Figure 20 WiFi mode
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2.6. Serial port
2.6.1. Basic parameters
Parameter
Range
Baud rate
300~230400
Data bits
7, 8
Stop bits
1, 2
Parity
NONE, EVEN, ODD
Figure 21 Serial port basic parameters
2.6.2. Configuration method
Serial port parameters occupy two registers. Length of protocol is 4 bytes and specific protocol content as
follow(All examples are in HEX format):
Name
Baud rate
Parameter bit
Number of bytes
Description
Three bytes represent a baud rate
value and high-order in the former
Refer to Serial port parameter
bit
Example 1(115200, None, 8, 1)
01 C2 00
03
Example 2(9600, None, 8, 1)
00 25 80
03
Figure 22 Serial port parameters protocol
Bit number
Representation
Value
Description
1:0
Data bits
10
7 bits data bits
11
8 bits data bits
1 bit stop bits
2 bits stop bits
000
None
001
ODD
011
EVEN
00
Please write 0
5:4:3
7:6
Stop bits
Parity
No definition
Figure 23 Serial port parameter bit
2.7. Features
2.7.1. Relay output status hold
User can configure whether hold Relay output status: After restarting IO808-EWR or powering on IO808-EWR
again, hold the Relay output status or reset to disconnect status.
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Register address: 182(0x00B6)
Parameter values: 1(0x0001): All Relays hold status after restarting or powering off. 2(0x0002): All relays
hold status after restarting and don’t hold status after powering off. 3(0x0003): All relays don’t hold status
after restarting or powering off.
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➢
Supported function code: 0x03, 0x04, 0x06, 0x10
Configuration will take effect after restarting.
2.7.2. Conditional control
Conditional control function supports user configuring the conditions to trigger IO changes. It can make using
IO808-EWR more flexibly and extend application scenario. User only needs to modify conditional control function
register parameters according to the instructions , it will realize corresponding function.
Conditional control function has 32 registers and 8 conditional control commands(Every command occupies 4
registers). Registers distribution as follow:
Storage content
Input register
Output register
Output action
Condition
Threshold
Reserved
Length
1 byte
1 byte
1 byte
1 byte
2 bytes
2 bytes
Address
Range:
16~109
Range: 1~16
1: Disconnect
2: Close
3: Reversal
1, 2, 255
‘Compared
register
values’/The first
two bytes of
time-stamp
Reserved/
Last two
bytes
of
time-stam
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Figure 24 Conditional control function register
Output action(Relay output)
1: Disconnect
2: Close
3: Reversal
Condition
1: Forward direction output follow
2: Backward direction output follow
255: Button action
Control mode
Switching value control: DI input control DO output directly
Semaphore control: DI button semaphore control DO. Press button once, DO act once(Execute action in rising
edge of releasing button).
Detailed explanation:
1. Forward direction output follow
Enable forward direction output follow: Set condition register to 1, input register is corresponding to one way
register address of 8-way input and output register is corresponding to one way register address of 8-way output.
For example, if configure as 0x20 0x00 0x01 0x01 0x00 0x00 0x00 0x00, it represents status of DO1 will follow
status of DI1 which means DO1 will close if DI1 close and DO1 will disconnect if DI1 disconnect.
2. Backward direction output follow
Enable backward direction output follow: Set condition register to 2, input register is corresponding to one way
register address of 8-way input and output register is corresponding to one way register address of 8-way output.
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For example, if configure as 0x20 0x00 0x01 0x02 0x00 0x00 0x00 0x00, it represents status of DO1 will be
opposite as status of DI1 which means DO1 will close if DI1 disconnect and DO1 will disconnect if DI1 close.
3. Button control
Enable button control: Set condition register to 255, input register is DI button register and output register is DO
output register. Action can be 1(disconnect ), 2(close), 3(reversal ), threshold register and reserved register can’t
work.
For example, if configure as 0x30 0x00 0x03 0xFF 0x00 0x00 0x00 0x00, it represents detecting DI1 button once
will reverse status of DO1 once.
Note:
Input register is 0 means close this conditional control and execute button action once will clear button register. If
multiple conditions will lead to paradoxical result, program will execute two results quickly. If forward direction
output follow and backward direction output follow lead to paradoxical result, disconnecting and closing will
revolve.
2.7.3. Connect to remote server
User can modify related register parameters of remote server to realize IO808-EWR connecting to remote server.
Procedure as follow:
1. Power the IO808-EWR and connect IO808-EWR’s RS485 interface to PC. Run setup software(User can refer to
1.4.1.Control by serial), modify remote server address and remote port as follow:
Figure 25 Configure remote server parameters
2. Restart IO808-EWR to make configuration take effect.
3. Login remote server and open the port.
4. Wait IO808-EWR LED ‘NET’ light which means IO808-EWR connect to remote server successfully, Then user
can transmit Modbus TCP/RTU command from server side to control IO808-EWR and receive response from
IO808-EWR.
2.7.4. Reset to default by hardware
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User can reset to default settings by pressing Reload button. After powering on, press Reload button 3 seconds to
15 seconds, then release it, IO808-EWR will reset to default settings. Less than 3 seconds or more than 15 seconds
will be considered as misoperation and don’t handle it.
3. Modbus
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3.1. Modbus frame
Modbus RTU:
Figure 26 Modbus RTU frame
USR-IO808-EWR data format conform to general Modbus frame format. IO808-EWR can analyse Modbus RTU
protocol and execute related operations.
Modbus TCP:
Figure 27 Modbus TCP frame
USR-IO808-EWR can analyse received network Modbus TCP protocol data and transfer to Modbus RTU protocol
to do data processing. IO808-EWR can also be used in Master mode and transfer Modbus RTU protocol to Modbus
TCP protocol and transmit to server.
3.2. Register distribution
USR-IO808-EWR register instructions:
1. Register base address is 0x0000.
2. In following register distribution table, MCU parameters and communication module parameters must operate
together.
3. Setup software USR-IO adopts UTF-8 coded format.
4. Register store HEX format data.
Register address
Register content
Parameter description
Applicable function code
Device I/O
0x0000~0x0007
Switch value output
0xFF00 means ON, 0x0000
means OFF;
1 means ON, 0 means OFF
0x01, 0x05, 0x0F
0x0020~0x0027
Switch value input
1 means ON, 0 means OFF
0x02
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0x0030~0x0037
Button input
Button detection. Reset to 0
after reading once
0x03, 0x04
0x0040~0x0047
Pulse counting
Count range: 0~65535. Reset
to 0 after reaching maximum
0x03, 0x04
MCU parameter
0x0068~0x0069
Time-stamp
Current time-stamp
0x03, 0x04
0x006A~0x006C
Year, month, day, hour,
minute, second
The format of ‘year, month, day,
hour, minute, second’ is Bcd
code. Such as
[0x18,0x01,0x01,0x08,0x24,0x
56] represents 2018-1-1
8:24:56
0x03, 0x04, 0x10
0x006D
Week
0x0001-0x0007 represents
Monday to Sunday
0x03, 0x04
0x008E~0x0091
Conditional control
command 1
0x0092~0x0095
Conditional control
command 2
0x0096~0x0099
Conditional control
command 3
0x009A~0x009D
Conditional control
command 4
Refer to 2.7.2. Conditional
control
0x03, 0x04, 0x10
0x009E~0x00A1
Conditional control
command 5
0x00A2~0x00A5
Conditional control
command 6
0x00A6~0x00A9
Conditional control
command 7
0x00AA~0x00AD
Conditional control
command 8
0x00AE~0x00AF
RS485 interface
Refer to 2.6.2. Configuration
method
0x03, 0x04, 0x10
0x00B0
RS485 mode
Master mode(0x0001)
Slave mode(0x0002)
0x03, 0x04, 0x06, 0x10
0x00B1
Modbus address
Slave
address(0x0001~0x00FD)
0x03, 0x04, 0x06, 0x10
0x00B2
Work mode
Modbus mode(0x0001)
Firmware upgrade(0x0002)
0x03, 0x04, 0x06, 0x10
0x00B3
Global parameters
configuration
Default(0x0000),
restart(0x0001), reset to user
default settings(0x0002),reset
to USR default
settings(0x5555), save current
0x03, 0x04, 0x06, 0x10
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settings as user default
settings(0xAAAA)
0x00B4
MCU software version
For example, 0x0112 means
version V1.1.2
0x03, 0x04
0x00B5
MCU hardware version
For example, 0x0110 means
version V1.1
0x03, 0x04
0x00B6
Relay status after
restarting
All relays hold status after
restarting or powering
off(0x0001);
All relays hold status after
restarting and don’t hold status
after powering off(0x0002)
All relays don’t hold status after
restarting or powering
off(0x0003)
0x03, 0x04, 0x06, 0x10
Communication module parameters
0x1021
WiFi mode
AP(1)/STA(2)
0x03, 0x04, 0x06, 0x10
0x1022~0x1031
AP mode SSID
Character string format
0x03, 0x04, 0x10
0x1032~0x1041
AP mode password
Character string format
0x03, 0x04, 0x10
0x1042
WAN/LAN switch
WAN(1)/LAN(2)
0x03, 0x04, 0x06, 0x10
0x1043
Remote connection
identity packet
USR Cloud(1)/MAC(2)/User
editable(3)/Disable(4)
0x03, 0x04, 0x06, 0x10
0x1044~0x1045
LAN interface IP
0xC0A80007 represents
192.168.0.7
0x03, 0x04, 0x10
0x104A
WAN interface IP mode
DHCP(1)/Static IP(2)
0x03, 0x04, 0x06, 0x10
0x104B~0x104C
WAN interface IP
0xC0A80007 represents
192.168.0.7
0x03, 0x04, 0x10
0x104D~0x104E
WAN interface mask
0xC0A80007 represents
192.168.0.7
0x03, 0x04, 0x10
0x104F~0x1050
WAN interface
gateway
0xC0A80007 represents
192.168.0.7
0x03, 0x04, 0x10
0x1051~0x1052
DNS1
0xC0A80007 represents
192.168.0.7
0x03, 0x04, 0x10
0x1055~0x1074
TCP Client remote
server address
Remote server address
0x03, 0x04, 0x10
0x1075
TCP Client remote
port
Remote server port
0x03, 0x04, 0x06, 0x10
0x1076
TCP Server/UDP
Server listening port
LAN listening port
0x03, 0x04, 0x06, 0x10
0x1078~0x107F
Username
Character string format
0x03, 0x04, 0x10
0x1080~0x1087
Password
Character string format
0x03, 0x04, 0x10
0x1088~0x1097
Device name
Character string format
0x03, 0x04, 0x10
0x1098
Device software
For example, 0x0112 means
0x03, 0x04
Jinan USR IOT Technology Limited
22
www.usriot.com
USR-IO808-EWR User Manual
Technical Support: h.usriot.com
version
version V1.1.2
0x1099
Device hardware
version
For example, 0x0110 means
version V1.1
0x03, 0x04
0x109A~0x10A9
Target AP’s SSID in
STA mode
Character string format
0x03, 0x04, 0x10
0x10AA~0x10B9
Target AP’s password
in STA mode
Character string format
0x03, 0x04, 0x10
0x10BA~0x10CD
User editable identity
packet
Character string format
0x03, 0x04, 0x10
0x10CE
Identity packet
sending method
Send identity packet after
establishing
connection(1)/Send before
every data package(2)/Both
way(3)
0x03, 0x04, 0x06, 0x10
Figure 28 Register distribution
4. Contact Us
Jinan USR IOT Technology Limited
23
www.usriot.com
USR-IO808-EWR User Manual
Technical Support: h.usriot.com
Company: Jinan USR IOT Technology Limited
Address: Floor 11, Building 1, No. 1166 Xinluo Street, Gaoxin District, Jinan, Shandong, 250101, China
Web: www.usriot.com
Support: h.usriot.com
Email: sales@usr.cn
Tel: 86-531-88826739/86-531-55507297
5. Disclaimer
This document provides the information of USR-IO808-EWR products, it hasn’t been granted any intellectual
property license by forbidding speak or other ways either explicitly or implicitly. Except the duty declared in sales
terms and conditions, we don’t take any other responsibilities. We don’t warrant the products sales and use
explicitly or implicitly, including particular purpose merchant-ability and marketability, the tort liability of any
other patent right, copyright, intellectual property right. We may modify specification and description at any time
without prior notice.
6. Update History
2018-05-29 V1.0.4.01 established based on Chinese version V1.0.4.
Jinan USR IOT Technology Limited
24
www.usriot.com
FCC STATEMENT :
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may
cause undesired operation.
Warning: Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits 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 used 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 does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following
measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into 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.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated
with minimum distance 20cm between the radiator & your body.

---

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Title                           : USR-IO808-EWR User Manual_V1.0.4.01
Creator                         : 济南有人物联网技术有限公司
Description                     : USR-IO808-EWR User Manual_V1.0.4.01
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Create Date                     : 2018:06:22 17:01:30+08:00
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Author                          : 济南有人物联网技术有限公司
Keywords                        : USR-IO808-EWR, User, Manual_V1.0.4.01
Subject                         : USR-IO808-EWR User Manual_V1.0.4.01

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