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4-20mA Modbus RTU, Remote Terminal Unit, 8 Channel Analog Input Output

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ZHC4661
ZHC4661

ZHC4661 is an industrial 4G RTU, providing 4 AI, 2 AO and 1 RS485 interfaces, supporting Modbus RTU/TCP adaptive, automatic acquisition and active reporting, 4-20mA analog quantity control acquisition, automatic calibration threshold reporting and other features, supports one-to-one and many-to-one network, provide visualization Configuring Software to connect, debug, and configure devices remotely. It can be widely used in analog acquisition project.

  • Interface type:1RS485/4AI/2AO
  • Agreement:TCP/IP、Modbous
  • Network type:4G
  • Positioning support:No
  • Features:Local logic operation

服务热线:028-83268936

购买咨询:18982180645

IOTRouter 6 Factory made strictly checked 4g rtu modbus module automatic calibration

Self-built server

If Customers have their own servers, and the ZHC4661 can communicate directly with the client server after simply configured. The ZHC4661 follows the Modbus RTU/TCP protocol and also supports 485-channel transparent transmission protocols.

IOTRouter 6 Factory made strictly checked 4g rtu modbus module automatic calibration

Configuration software docking

ZHC4661 has an RS485 interface, which supports the standard modbus RTU/TCP protocol. The configuration software can directly read and command the ZHC4661 through the RS485 interface.

IOTRouter 6 Factory made strictly checked 4g rtu modbus module automatic calibration

If customer does not have a cloud server


When some customers use the configuration software, they can't directly connect the PC and S485. The ZHC4661 supports the ZH-Cloud transmission. The customer only need to install the virtual serial port, the data of the ZHC4661 can be forwarded to the local serial port of the PC, which is more convenient and quick.


(Also applicable to scenarios without a cloud server)


The ZHC4661 supports networking functions and supports one-to-one and multiple-to-one networks. This need is very practical for some specialization scenarios.

IOTRouter 6 Factory made strictly checked 4g rtu modbus module automatic calibration

RS485 automatic acquisition

Support automatic acquisition, active reporting, can dynamically modify collection instructions, collection cycle. Reduce server processing

IOTRouter 6 Factory made strictly checked 4g rtu modbus module automatic calibration

Analog auto-calibration threshold reporting

The ZHC4661 presets the analog linear calibration parameter value, the user only needs to modify the k/b value to achieve the linear calibration effect. In addition, the effect of analyzing the analog data can be realized by adjusting the k/b value, and the threshold will be reported.

IOTRouter 6 Factory made strictly checked 4g rtu modbus module automatic calibration

Support automatic identification of Modbus RTU/TCP protocol


Adaptive Modbus RTU/TCP protocol, the data format replied by the ZHC4661 is consistent with the data format sent by the cloud.


TCP CLient communication


The serial server initiates a TCP connection to the server actively. If the connection fails, the connection is repeated repeatedly until it succeeds. If the connection is completed, the server and serial device can carry out two-way transparent data transmission.


ZH-Cloud


Provide free cloud platform services for The IOTRouter series of products, and the cellular network-Modbus standard product series. Support related customized services, Please contact us for more details.


ZH-Cloud


Provide transparent cloud forwarding services for DTU/RTU devices. The device can realize one-to-one, one-to-many, many-to-many data transmission. And you can use a virtual/physical serial port to implement remote/local configuration. The device can dock various common configuration softwares and realize data acquisition and control of the PLC.


ZH-Cloud support Modbus protocol, It can directly perform remote data collection for devices that support related protocols.

IOTRouter 6 Factory made strictly checked 4g rtu modbus module automatic calibrationIOTRouter 6 Factory made strictly checked 4g rtu modbus module automatic calibration

IOTRouter 6 Factory made strictly checked 4g rtu modbus module automatic calibration

IOTRouter 6 Factory made strictly checked 4g rtu modbus module automatic calibration

IOTRouter 6 Factory made strictly checked 4g rtu modbus module automatic calibration


IOTRouter 6 Factory made strictly checked 4g rtu modbus module automatic calibration

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