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PROSOFT ILX34-MBS485 Communication Gateway Module

Product Description

The ProSoft ILX34-MBS485 is a Modbus Serial Communication Module designed for Allen-Bradley CompactLogix L1 processors and 1734 Point I/O systems. It provides an RS-485 / RS-422 serial communication interface and allows Rockwell Automation controllers to communicate with Modbus RTU/ASCII field devices.

The module can be configured as either a Modbus Master or Modbus Slave, making it suitable for connecting PLC systems with devices such as meters, drives, sensors, transmitters, and SCADA systems.

Technical Parameters

• Brand: ProSoft Technology
• Model: ILX34-MBS485
• Product Type: Modbus Serial Communication Module
• Communication Protocol:
  • Modbus RTU
  • Modbus ASCII
• Serial Interface: RS-485 / RS-422
• Communication Mode: Master / Slave selectable
• Compatible Platforms:
  • Allen-Bradley CompactLogix L1 Series
  • Allen-Bradley 1734 Point I/O Systems
• Baud Rate: 2400 / 4800 / 9600 / 19200 / 38400 bps
• Node Address Range: 1–247
• Supported Modbus Functions:
  • Read Coils
  • Read Input Status
  • Read Holding Registers
  • Read Input Registers
  • Write Single / Multiple Coils
  • Write Single / Multiple Registers
• Maximum Data Size: Up to 1000 words
• Modbus Commands: Up to 30 commands
• Power Supply: 10–28.8 VDC
• PointBus Current: 75 mA @ 5 VDC
• Operating Temperature: 0°C to +55°C
• Installation: 1734 Point I/O terminal base mounting

Advantages & Features

• Original ProSoft industrial communication module
• Provides Modbus connectivity for Allen-Bradley systems
• Supports both Modbus Master and Slave operation
• RS-485 long-distance communication capability
• Suitable for SCADA and field device integration
• Reduces the need for additional communication gateways
• Integrated diagnostics available through Studio 5000 / RSLogix 5000
• Easy configuration using Rockwell programming environment
• Reliable operation in industrial automation environments

Applications

• PLC and DCS communication systems
• SCADA data acquisition
• Motor drive communication
• Energy meter monitoring
• Process instrumentation
• Remote I/O networks
• Industrial automation equipment
• Water treatment systems
• Oil & gas and manufacturing facilities

Notes

• ILX34-MBS485 is a communication module, not a PLC CPU or I/O module.
• Confirm compatibility with the Allen-Bradley 1734 Point I/O adapter or CompactLogix L1 controller before installation.
• Ensure RS-485 wiring polarity, baud rate, parity, and Modbus address settings match the connected device.
• Use proper termination and shielding for long-distance RS-485 communication.