Modbus Remote IO

M711 Modbus Remote IO

This M711 Modbus Remote IO is a 1-channel temperature/mV/Ohm input and 1-channel current output module with RS485 communication. It provides isolation between each channel of inputs, power, and network circuits. Network communication adheres to the industry-standard RS-485 Modbus RTU protocol. AC and DC power sources are supported with nonpolarized, diode-coupled terminals. Not only works as an independent temperature transmitter isolator with communication but combines with MWG1 to constitute a remote I/O DAS support both of MODBUS RTU and MODBUS TCP protocols.

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Features

  • 1-channel Temperature/mV/Ohm Input, 1 ch. Current Output
  • 4-way isolation eliminates potential ground loops between power, Inputand network circuitry
  • The input signal type & measurement range can be programmed setting by ZPconfig software  through USB adaptor
  •  Hot Swappable
  •  Low Power Loss, Low Temperature Drift, Auto Zero Calibration
  • Terminal Block & Rail bus  redundant power
  • Standard Modbus RTU protocol with high-speed RS-485 communication (up to 115K bps)
  • Combine with MWG1 to constitute a remote I/O DAS support both of MODBUS RTU and MODBUS TCP protocols

Specification

 

Parameter Value
RTD PT100/PT200/PT500/PT1000/Cu50
Input Channel 1 Channels
Input Impedance ≥10MΩ
A/D resolution 24 bit
Communication RS485
Protocol Modbus RTU
Baud Rate 115200,38400,19200…4800bps （config. by DIP）
Address ID 1-31（config. by DIP）
RS485 Drive Capacity Max. 64nodes
Power Supply 24VDC±10% or AC
Response Time ≦0.4S
Sampling Rate 9 times/sec.
Digital Output Single PrecisionFloating-Point
Power Loss 1W (24VDC)
Temperature Drift 0.01%/Celsius degree
Operation Temperature -10~70°C
Storage Temperature -40~80°C
Relative Humidity 5-95% non condensing

Dimension

 

 

 

 

 

 

 

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