Relay Control IOT Cellular Modem With 4DI 4DO 4AI Ports For Iot Automation

• 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.

Parameters of IOT Cellular Modem

• Solution of IOT Cellular Modem
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Water and Rain Monitoring and Early Warning System

Data perception: Detect digital information such as water level, rainfall, temperature, humidity, wind speed, wind direction, video images or pictures on site through various sensors;
Data collection: ZHC4921 collects sensor output signals in real time
Data transmission: ZHC4921 is transmitted to the monitoring center via 4G
Data application: The management personnel of the monitoring center can view various online monitoring data and other information in real time, understand the situation in time, analyze the data, and issue early warning information.