4DI 4DO 4AI Relay Control IOT Cellular Modem For Iot Automation
1PCS
MOQ
USD80-89/PCS
Price
4DI 4DO 4AI Relay Control IOT Cellular Modem For Iot Automation
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Features
Basic Infomation
Place of Origin: Sichuan, CHINA
Brand Name: IOTROUTER
Certification: CE FCC RoHs
Model Number: ZHC4921
High Light:

Relay Control IOT Cellular Modem

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4DI 4DO IOT Cellular Modem

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4AI iot 4g modem

Payment & Shipping Terms
Packaging Details: 270*180*55mm CARTON PACKAGE
Delivery Time: 1 WEEK
Payment Terms: L/C, T/T, Western Union
Supply Ability: 50000PCS/MONTH
Specifications
Material: Galvanized Steel Sheet
Interface: RS485/4DI/4DO/4AI
Protocol: MODBUS TCP/RTU
Function: Modbus RTU/TCP Adaptive
Application: Iot Automation
Working Voltage: 12V
Module Type: 4G LTE
Customized: Support
Product Name: Relay Control IOT Cellular Modem
Size: 159*95.9*27.5mm
Product Description

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

 

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

 

 


  • Solution of IOT Cellular Modem
  •  

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.


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ZHC4921

RS485 Modbus

RS485 Automatic Acquisition

Virtual Serial Port

Connfiguration Software

Threshold Report

Configuration Software Docking

Modbus RTU/TCP

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Contact Person : Miss. Agnes
Tel : 8618982006591
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