GE Fanuc IC693CMM302 The IC693CMM302 is a Genius Communications Module (GCM+) designed for GE Fanuc’s Series 90-30 PLCs, enabling seamless communication between PLC controllers and distributed I/O devices, HMIs, and SCADA systems. As a cornerstone of GE’s Genius bus architecture, the IC693CMM302 supports real-time data exchange, peer-to-peer control, and scalable connectivity for industrial automation. Its compact design and rugged reliability make it ideal for legacy and modern systems alike.
1. Product Description
The IC693CMM302 acts as a bridge between Series 90-30 PLCs (e.g., IC693CPU331) and up to 31 Genius bus devices (sensors, drives, remote I/O). Key features include:
Dual Protocol Support: Native Genius bus for high-speed control (500 kbps) and SNP/Modbus RTU for legacy system integration.
Global Data Synchronization: 128 bytes of transmit/receive data for real-time monitoring of process variables.
Flexible Installation: Mounts directly on the CPU baseplate or expansion racks, reducing cabling complexity.
Diagnostic LEDs: Real-time status indicators for bus activity and module health, minimizing downtime.
2. Product Parameters
Parameter
Specification
Module Type
Genius Communications Module (GCM+)
Voltage
24V DC (±10%)
Current Consumption
300 mA (5V DC from PLC backplane)
Protocols
Genius Bus, SNP, Modbus RTU
Interfaces
RS-232 (Port 1), RS-485 (Port 2)
Max Devices per Bus
31 (expandable to 93 with multi-module setups)
Data Rate
500 kbps (Genius Bus), 19.2 kbps (Modbus)
Compatibility
GE 90-30 PLCs (IC693CPU311/331/341)
Operating Temperature
0°C–60°C (storage: -25°C–70°C)
IC693CMM302
3. Advantages and Features
Reliability: MTBF of 1,200,000 hours (GE testing), with conformal coating for vibration resistance in factory floors.
Scalability: Supports 31 devices per bus—2x more than legacy modules—ideal for expanding production lines.
Cost Efficiency: Reduces wiring costs by 40% compared to hardwired systems through centralized bus control.
Legacy Compatibility: Retains SNP protocol support for seamless integration with GE’s older Micro PLCs.
4. Application Areas and Use Cases
Industries:
Automotive (robotics, weld gun control)
Water treatment (pump station automation)
Food & beverage (conveyor systems)
Case Study: A Mexican automotive plant used IC693CMM302 modules to connect 28 remote I/O stations on a Genius bus for its paint shop. The modules reduced commissioning time by 25% and improved fault detection speed by 30%, cutting annual downtime by $80,000.
Dual Ports: RS-232 + RS-485 vs. single-port modules, enabling simultaneous HMI and field device connectivity.
Temperature Range: Operates at 60°C (10°C higher than most legacy-compatible modules).
IC693CMM302
6. Selection Guidelines
System Type: Choose the IC693CMM302 for Series 90-30 PLCs; opt for IC697CMM711 for newer RX7i systems.
Device Count: Use one module for ≤31 devices; add more for larger networks (e.g., 3 modules for 93 devices).
Budget: Refurbished units from Shanxi Xinyeda cost 35% less than new, with a 1-year warranty.
7. Precautions
Bus Termination: Always install 120Ω terminators at bus ends to prevent signal reflections.
Firmware: Update via Proficy Machine Edition to unlock SNP v2.0 features (e.g., enhanced error handling).
ESD Protection: Use anti-static gloves during installation—static discharge can damage the RS-485 transceiver.
Power Sequencing: Power up the PLC before Genius bus devices to ensure stable initialization.
Statement: Shanxi Xinyeda International Trade Co., Ltd. specializes in GE Fanuc IC693CMM302 modules and Series 90-30 spares. Visit www.xydcontrol.com or contact us for fast quotes, technical support, and refurbished options—we ship globally within 48 hours.
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Full 12-month warranty on all components
Full 12-month warranty on all components
