8-Way GPRS/GSM Network IO Controller supports 8 channel output/input

Communication Expert of Industrial IOT
8-Way GPRS/GSM Network IO Controller supports 8 channel output/input
8-Way GPRS/GSM Network IO Controller supports 8 channel output/input
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Price: $68.00
Availability: In Stock
Model: USR-IO808-GR
Average Rating: Not Rated

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8-Way GPRS/GSM Network IO Controller: USR-IO808-GR [Details]

Product overview

USR-IO808-GR 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-GR into own system to realize remote control which based on GPRS network.


Product features

-8-way Relay output

-8-way input, default is dry contact

-Supports 8 conditional control command

-Various function code: 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x0F, 0x10

-Supports socket to connect to remote server and TCP Client

-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.

-Supports connecting to USR Cloud

-Supports FTP remote upgrade

-Supports upgrading by RS485

- Hardware watchdog

-Various LED to indicate work status

-Supports power supply over-current, over-voltage, anti-reverse connection protection






Wireless parameters

Wireless standard


Standard frequency band


Transmitting power

GSM900 class4(2W)

DCS1800 class1(1W)

GPRS Terminal Device Class

Class B

GPRS Multi-slot Class

GPRS Class 10

GPRS Coding Schemes






Hardware parameters

Data interface

Serial port: Support RS485.

Baud rate: 300bps~230400bps

Working voltage


Working temperature

-20℃ ~ +70℃

Storage temperature

-40℃ ~ +85℃

Working humidity


Storage humidity






Software parameters

Wireless network type


Work mode

Master mode, slave mode

Configuration command

Modbus RTU

Network protocol

Modbus TCP, Modbus RTU

Application software

Support configuration software

Software function



Data transmission mode

Support TCP Client


EMC level


IEC61000-4-2, Level 4


IEC61000-4-5, Level 3

Group pulse

IEC61000-4-4, Level 3

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