GE IC693CMM301 Genius Communications Module (GCM) For Series 90-30 PLC

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    • Product Code: IC693CMM301
    • Availability: In Stock
    GE IC693CMM301 Genius Communications Module (GCM) For Series 90-30 PLC
    Manufacturer: GE Fanuc (GE Vernova Automation)
    Model: IC693CMM301 Standard Genius Communications Module (GCM)
    Compatible Platform: GE Series 90-30 PLC CPU base / expansion rack; Interconnect with Series 90-70, Series Six PLCs via Genius bus
    Type: Rack plug-in intelligent communication processor, shielded twisted-pair Genius token-passing fieldbus interface
    Core Function: Gateway between local PLC CPU and distributed Genius remote I/O stations; peer-to-peer global data exchange between multiple 90-series PLCs; real-time transfer of discrete/analog process data; bus fault diagnosis, address conflict detection, front panel LED status indication
    1. Product Overview
    IC693CMM301 is the original standard Genius bus communication module for GE Fanuc 90-30 PLC, installed in any slot of CPU baseplate or expansion rack, powered by rack internal 5VDC logic bus. It adopts noise-resistant token-passing Genius serial bus, supporting daisy-chain wiring with shielded twisted pair cable, maximum 31 Genius nodes (remote I/O modules, other PLC GCM cards) on one bus segment, two-end termination resistors required. Global data exchange capacity: max 256 bits (32 bytes) send/receive global %G data between PLC stations, supports mapping %I, %Q, %AI, %AQ, %R register data to Genius bus for cross-PLC shared control. Two front panel diagnostic LEDs: OK (Green) for module power/self-test status; COMM (Yellow) for bus communication activity. Blinking COMM indicates bus error, address conflict or disconnected slave nodes. Main difference from IC693CMM302 (GCM+): CMM302 upgrades global data to 1024 bytes, while CMM301 limited to 32 bytes, lower data throughput for small-scale distributed I/O systems. Widely deployed in legacy power plant, chemical, metallurgy automation systems; GE discontinued production, only surplus & refurbished spares available aftermarket.
    2. Complete Technical Specifications
    • Rack Power Draw: 300mA max @ +5VDC backplane
    • Genius Bus Capacity: Up to 31 slave devices per bus trunk
    • Global Data Size: Max 32 Bytes (256 bits) transmit / receive global %G data
    • Bus Medium: Shielded twisted pair, daisy-chain topology, 120Ω termination at both ends
    • Supported PLC Series: 90-30, 90-70, Series Six, Series Five GE Fanuc controllers
    • Diagnostic Indicators: OK (Power/Self-test), COMM (Bus Traffic/Fault)
    • Operating Temperature: 0℃ ~ +60℃ ventilated control cabinet
    • Storage Temperature: -25℃ ~ +70℃
    • Humidity: 5% ~ 95% RH non-condensing
    • Mechanical Size: Standard single-slot 90-30 rack module, 122×86×38mm
    • Weight: ~0.2kg
    • Certification: UL508, CE industrial control compliance
    3. Hardware Structure Composition
    1. Internal intelligent communication processor for Genius bus token management & data buffering
    2. Front terminal block: Genius bus A/B signal wiring terminals for field twisted pair cable
    3. Dual front panel LED status indicators (OK / COMM)
    4. Rear gold-plated backplane connector for 90-30 rack CPU data & 5VDC power supply
    5. Built-in bus surge & ESD protection circuit for field wiring noise suppression
    4. IC693CMM301 VS IC693CMM302 Key Difference
    • IC693CMM301 (Standard GCM): Max 32 bytes global data, small-scale remote I/O, low data exchange volume
    • IC693CMM302 (GCM+ Enhanced): Max 1024 bytes global data, large multi-PLC peer communication, high throughput
    • Same rack form factor, same Genius bus physical interface, only global data buffer capacity differs
    5. Core Industrial Application Scenarios
    • Thermal power plant auxiliary control system: Distributed Genius remote I/O for boiler, water treatment, fan auxiliary signals
    • Petrochemical refining unit: Multi 90-30 PLC interlock data sharing via Genius bus
    • Metallurgy continuous rolling line: Long-distance field sensor signal collection via Genius distributed I/O
    • Old factory automation system retrofitting, spare replacement for legacy 90-30 control racks
    GE Vernova © IC693CMM301 Standard Genius Communications Module For Series 90-30 PLC


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