GE IC693CMM311 Communications Coprocessor Module

Technical Specifications

• Manufacturer: GE Fanuc (Emerson Automation Solutions)
• Model: IC693CMM311
• Series: Series 90-30 PLC System
• Module Type: Communications Coprocessor Module
• Compatible CPUs: Series 90-30 modular CPUs (311, 313, 323; not for embedded CPUs)
• Communication Ports:
  • Port 1: RS-232
  • Port 2: RS-232 / RS-485 (selectable)
• Supported Protocols: GE Fanuc CCM, SNP, Modbus RTU (Slave)
• Baud Rates: 300, 600, 1200, 2400, 4800, 9600, 19200 bps
• Power Supply: 5 VDC (from PLC backplane), 400 mA
• Dimensions (H×W×D): 160 × 80 × 62 mm
• Weight: 0.28 kg (0.63 lbs)
• Operating Temperature: 0°C to +55°C
• Relative Humidity: 5%–95% (non-condensing)
• Status Indicators: MODULE OK, PORT 1, PORT 2 LEDs
• Cable: Requires IC693CBL305 Wye cable for port separation

Key Features

1. Independent Communication Processing
   • Equipped with a dedicated coprocessor to handle communication tasks, reducing main CPU load and improving system efficiency.
   • Supports high-speed data transmission up to 19.2 kbps for real-time industrial communication.
2. Multi-Protocol & Multi-Port Flexibility
   • Native support for CCM, SNP, and Modbus RTU Slave protocols, enabling seamless connectivity with GE and third-party devices.
   • Two serial ports: Port 1 (RS-232) for point-to-point connections; Port 2 (RS-232/RS-485) for multi-drop networks (up to 31 nodes).
3. Easy Configuration & Diagnostics
   • Configurable via Logicmaster or VersaPro software or default settings for quick deployment.
   • LED indicators for real-time monitoring of module and port status, simplifying troubleshooting.
4. High System Compatibility & Expansion
   • Works with all Series 90-30 modular CPUs; up to 4 modules allowed in systems with CPU 331 or higher (CPU baseplate only).
   • Compact, rugged design with IP20 protection for reliable operation in harsh industrial environments.

Application Scenarios

• Factory Automation
  • Connects Series 90-30 PLCs to HMIs, SCADA systems, and barcode readers via RS-232.
  • Links PLCs to variable frequency drives (VFDs) and motor controllers using Modbus RTU.
• Process Control
  • Enables communication with smart sensors, flow meters, and temperature controllers in water treatment, chemical, and food & beverage plants.
  • Supports distributed I/O networks via RS-485 for remote monitoring and control.
• Power & Energy
  • Connects PLCs to power meters, protection relays, and grid monitoring devices in power generation and distribution systems.
  • Facilitates data exchange between renewable energy equipment (solar inverters, wind turbines) and control systems.
• System Integration & Upgrades
  • Integrates legacy GE Fanuc Series 90-30 PLCs with modern third-party devices using standard protocols.
  • Expands communication capabilities without replacing the existing PLC CPU, reducing upgrade costs.