M240-Remote I/O Module

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Description

The M240-Remote I/O Module is a cutting-edge signal conditioner designed for robust performance in industrial applications. This 4-channel discrete input module features RS485 communication, providing essential isolation between each channel of inputs, power, and network circuits. Adhering to the industry-standard RS-485 Modbus RTU protocol, the module supports both AC and DC power sources with nonpolarized, diode-coupled terminals. It functions not only as an independent signal isolator with communication capabilities but can also be combined with the MWG1 to form a comprehensive remote I/O Data Acquisition System (DAS) that supports both MODBUS RTU and MODBUS TCP protocols.

Features

  • Substitution Capability: Replaces the analog isolator with a communication isolator.
  • Six-way Isolation: Prevents potential ground loops among power, input, output, and network circuitry.
  • Hot Swappable: Allows for easy replacement without system downtime.
  • Redundant Power: Features terminal block and rail bus for power redundancy.
  • High-speed Communication: Standard Modbus RTU protocol supports RS-485 communication speeds of up to 115K bps.
  • Modular Compatibility: Works with MWG1 for remote I/O DAS, supporting both MODBUS RTU and MODBUS TCP.

Specifications

Attribute Details
Input Signal Type Discrete
Input Channel 4 Channels
Detect Loop Power ~8V (OC output)
Communication RS485
Protocol Modbus RTU
Baud Rate 115200, 38400, 19200, 4800 bps (configurable by DIP)
Address ID 1-31 (configurable by DIP)
RS485 Drive Capacity Max. 64 nodes
Power Supply 24VDC±10% or AC
Response Time ≤10 mS
Power Loss ≤1.5W (24VDC)
Temperature Drift 0.01%/Celsius degree
Operation Temperature -10~70°C
Relative Humidity 5-95% non-condensing
Isolation Voltage ≥1500VAV/1min
Isolation Resistance ≥100MΩ/500V
Calibrating Ambient Temperature 25±2 °C
EMC Standards EN1326: 1997+A1:1998+A2:2001+A3:2003
Terminal Block Rating 12A/250V; AWG #26-12, stranded/solid copper wire
Casing/Terminal IP Rating IP50/IP20
Weight 128g

Dimension

M240-Remote I/O Module Dimension

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