Industrial IO Modbus IOT Cellular Modem with Local Logic Process Function

Parameters of IOT Cellular Modem

• Introduction​ of IOT Cellular Modem

ZHC4921 is an industrial-grade 4G RTU that provides 4 DI, 4 DO, 4 AI and 1 RS485 interface, supports local logic processing operations, automatic acquisition and active reporting, Modbus RTU/TCP adaptation, automatic calibration threshold reporting, dry and wet node IO detection, and support one-to-one, many-to-one network connection.

• Features of ZHC4921

Customize collection Function
Built-in multiple meter reading protocols
Multiple AI, DI, DO and Serial ports
High-precision acquisition function, the accuracy of acquisition analog quantity is about 0.2%.
Equipped with watchdog, does not crash, can automatically restart and recover