GE Fanuc IC693CMM311 Communication Module - Dual-Port Interface for 90-30 PLCs

The IC693CMM311 enhances PLC communication capabilities with dual serial ports supporting multiple protocols for seamless industrial network integration.

Key Features

• Dual-port flexibility: RS-232 + configurable RS-232/485
• Multi-protocol support: CCM, Modbus RTU, and SNP
• Compact design: Single-slot module (0.55kg)
• System expansion: Up to 4 CMM modules per CPU
• Standard connectors: 25-pin D-shell ports

Technical Specifications

• Brand: GE Fanuc (Emerson Automation)
• Model: IC693CMM311
• Series: 90-30 PLC
• Type: Communication Coprocessor Module
• Ports:
  • Port 1: Fixed RS-232
  • Port 2: Configurable RS-232/485
• Protocols: GE CCM, Modbus RTU, SNP
• Power: 400mA @5VDC
• Weight: 0.55kg (1.2 lbs)

Communication Capabilities

• Maximum modules: 4 per CPU
• Port configuration: DIP switch selectable
• Baud rates: Up to 115.2 kbps
• Termination: Required for RS-485 networks

Installation & Configuration

• Single-slot backplane mounting
• Standard 25-pin serial cables
• Protocol selection via software
• Port 2 mode set by DIP switches

Frequently Asked Questions

• Q: Can both ports be used simultaneously?
  A: Yes, with different protocols if needed.
• Q: What's the maximum cable length?
  A: 15m (50ft) for RS-232, 1200m (4000ft) for RS-485.
• Q: Is Modbus TCP supported?
  A: No, only serial protocols (RTU/ASCII).
• Q: Are adapters included?
  A: No, requires standard 25-pin cables.
• Q: What software is needed?
  A: VersaPro or equivalent configuration tool.

Typical Applications

• HMI/SCADA system integration
• Modbus device networking
• Legacy equipment interfacing
• Multi-drop serial networks