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
| | |
| Number of ports | RS485*1 | Number of interfaces | 4 Relay output |
| Standard | RS485: A, B | Standard | DO*1, COM*2 |
| Baud rate | 600～921600bps | Mechanical durability | 10^7 |
| Data bit | 8, 9 | Electrical durability | 10^5 |
| Stop bit | 0.5, 1, 1.5, 2 | Capacity | 5A 250VAC 30VDC |
| Check Bit | NONE EVEN ODD | |
| | Number of interfaces | 4 Relay input |
| Voltage | 9~36V | Standard | DI*4, COM*2 |
| Current | 60mA(aver) @9V
30mA(aver) @36V | Detection range (wet node) | 5~50V->High0~2V->Low |
| | |
| ESD | IEC61000-4-2, Level 4 | Number of Interfaces | 4 Analog input |
| Surge | IEC61000-4-2, Level 3 | Standard | AI*4, COM*2 |
| Group pulse | IEC61000-4-2, Level 3 | Scope of test | 4~20mA |
- 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.
| | ZHC4921 |
| RS485 Modbus | √ |
| RS485 Automatic Acquisition | √ |
| Virtual Serial Port | √ |
| Connfiguration Software | √ |
| Threshold Report | √ |
| Configuration Software Docking | √ |
| Modbus RTU/TCP | √ |
Product Tags:
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4DI 4DO 4AI Relay Control IOT Cellular Modem For Iot Automation Images
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