8-way network IO controller

8-way network IO controller

Model: USR-IO808-GR

  • USR private protocol+flexible and convenient networking mode
  • Be adaptive to Modbus TCP/RTU protocol
  • Support MQTT/Socket Cloud transmission protocol

8-way network IO controller

General Details










IO network controller






Parameter  Value
Wireless parameters  
Wireless standard GSM/GPRS
Standard frequency band 850/900/1800/1900MHz 
Transmitting power GSM900 class4(2W)     DCS1800 class1(1W)
GPRS Terminal Device Class Class B
GPRS Multi-slot Class  GPRS Class 10
GPRS Coding Schemes  CS1~CS4
Hardware parameters  
Data interface

Serial port: Support RS485.

Baud rate: 300bps~230400bps

Working voltage 12V~36V
Working temperature -20℃ ~ +70℃
Storage temperature -40℃ ~ +85℃
Working humidity 5%~95%
Storage humidity 1%~95%
Dimension 200*122*29mm
Software parameters  
Wireless network type GSM/GPRS
Work mode

Master mode, slave mode

Configuration command Modbus RTU
Network protocol Modbus TCP, Modbus RTU
Application software Support configuration software

Software function 

DNS Support
Data transmission mode

Support TCP Client

EMC level  
ESD IEC61000-4-2, Level 4
Surge IEC61000-4-5, Level 3
Group pulse  IEC61000-4-4, Level 3

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