4G Wireless DTU IOT Industrial Cellular Modem With Modbus RTU TCP Adaptive Function

Brand Name:IOTROUTER
Certification:CE FCC RoHs
Model Number:ZHC4921
Minimum Order Quantity:1PCS
Delivery Time:1 WEEK
Payment Terms:L/C, T/T, Western Union
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Location: Chengdu Sichuan China
Address: No.15, 19/F, Building 1, No. 888 middle Yizhou Avenue, High-tech Zone, Chengdu City Sichuan Province CHINA
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4G Wireless DTU IOT Cellular Modem With Modbus RTU/TCP Adaptive Function


Parameters of IOT Cellular Modem


Serial Port
DO
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
DI
Power Supply
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
EMC
AI
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

  • 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
  • IOT Cellular Modem

  • IOT Cellular Modem ZHC4921 integrates data acquisition and logic control functions, supporting industrial-grade AD acquisition circuit, switching value acquisition circuit and RS485 communication circuit to ensure the functional diversity of the product. At the same time, it is equipped with other high-efficiency, stable and reliable circuits on the periphery, so that this product has the characteristics of stability, anti-interference, short-circuit self-protection, and simple and convenient operation. It is widely used in water conservancy, heat, smart agriculture, environmental protection, new energy monitoring and other industries.




ZHC4921

RS485 Modbus

RS485 Automatic Acquisition

Virtual Serial Port

Connfiguration Software

Threshold Report

Configuration Software Docking

Modbus RTU/TCP

China 4G Wireless DTU IOT Industrial Cellular Modem With Modbus RTU TCP Adaptive Function supplier

4G Wireless DTU IOT Industrial Cellular Modem With Modbus RTU TCP Adaptive Function

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