M711-Remote I/O Module

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M711-Remote I/O Module

The M711-Remote I/O Module is a versatile signal conditioner designed to enhance measurement capabilities in various applications. This module features a 1-channel temperature/mV/Ohm input and a 1-channel current output with RS485 communication, ensuring efficient data transfer and integration. It offers complete isolation between each channel of inputs, power, and network circuits, providing reliability in performance.

Built to support both AC and DC power sources, the M711 module utilizes nonpolarized, diode-coupled terminals for ease of connection. It operates seamlessly as an independent temperature transmitter isolator with communication capabilities or can be combined with the MWG1 to form a remote I/O Data Acquisition System (DAS) that supports both MODBUS RTU and MODBUS TCP protocols.

Features

  • 1-channel Temperature/mV/Ohm Input, 1-channel Current Output
  • 4-way isolation prevents potential ground loops between power, input, and network circuitry
  • Input signal type & measurement range programmable via ZPconfig software through USB adaptor
  • Hot Swappable for easy maintenance
  • 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)
  • Compatible with MWG1 for remote I/O DAS supporting MODBUS RTU and MODBUS TCP protocols

Specifications

Attribute Details
Input Signal Type TC: K/E/S/B/R/J/T/N, RTD: PT100/PT200/PT500/PT1000/Cu50, Resistance: 0~400Ω, 0~4000Ω, mV: +80mV, Voltage: 0~1V dc
Input Channel 1 Channel
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. 64 nodes
Power Supply 24VDC±10% or AC
Response Time ≦0.4S
Accuracy TC: ≤ 1°C, RTD: ≤ 0.2°C, Resistance: ≤ 0.05% F.S., mV: ≤ +10μV, Voltage: ≤ +10mV
Sampling Rate 9 times/sec
Digital Output Single Precision Floating-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
Isolation 4-way isolation ≥1500VAV/1min
Isolation Resistance ≥100MΩ/500V
Calibrating Ambient Temperature 25±2 °C
EMC EN1326: 1997+A1:1998+A2:2001+A3:2003
Terminal Blocks Removable plug-in type, rated for 12A/250V; AWG #26-12, stranded/solid copper wire
Casing/Terminal IP50/IP20
Weight 122g

Dimension

M711-Remote I/O Module Dimension

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