GEIC697CMM742-HK Ethernet Interface Module

The GE Fanuc IC697CMM742-HK, also cataloged as the IC697CMM742 Ethernet Communication Interface Module, operates as a dedicated hardware component for high-speed network communication and deterministic data exchange within Series 90-70 PLC Systems. Configured for protocol handling and real-time network interfacing in Series 90-70 PLC Systems, the module provides direct physical/electrical execution. It handles multi-protocol data traffic across host CPUs, SCADA networks, HMIs, and peer PLCs via the backplane interface.

Suffix Breakdown & Model Matrix

The catalog number structure for the GE Fanuc IC697CMM742-HK decodes into specific hardware platform and revision attributes across the Series 90-70 system:

• IC697: Designates the GE Fanuc Series 90-70 modular programmable controller hardware platform.
• CMM: Identifies the communications module product category designed for dedicated network protocols.
• 742: Specifies the hardware design architecture incorporating 3 physical network ports (RJ-45, BNC, AUI) supporting 10 Mbps Ethernet communications.
• HK: Indicates the specific hardware and firmware revision iteration implementing targeted component and backplane bus interfacing updates.

Hardware Specifications

Backplane Bus Communication Velocity & Firmware Flash Compatibility

The GE Fanuc IC697CMM742-HK module relies on standard VMEbus backplane interfacing to maintain backplane bus communication velocity across Series 90-70 rack assemblies. Preloaded firmware flash compatibility enables deterministic instruction decoding and real-time execution of configuration-based and logic-based Ethernet Global Data (EGD) protocols. The internal hardware architecture coordinates zero-latency network frame processing, maintaining high-density data throughput between the backplane logic and connected network interfaces while isolating backplane control cycles from network transmission jitter.

Frequently Asked Questions

Q: Can all three physical network ports (RJ-45, BNC, and AUI) on the IC697CMM742-HK be active at the same time?

A: No. The module contains hardware selection circuitry that limits active communication to one network port at a time depending on physical link detection and network topology setup.

Q: What is the function of the front-panel manual pushbutton on the IC697CMM742-HK?

A: The front-panel pushbutton allows maintenance personnel to initiate a local hardware restart and select diagnostic modes without disrupting main backplane rack power.

Q: Is hot-swapping supported for the IC697CMM742-HK module in a Series 90-70 rack?

A: No. Power to the Series 90-70 rack assembly must be disconnected prior to inserting or removing the module to avoid backplane bus electrical disturbances and potential physical component damage.

Field Installation Guidelines

1. Power Isolation: Disconnect primary cabinet power to the Series 90-70 rack prior to aligning or seating the IC697CMM742-HK module in the chassis slot.
2. Rack Slot Installation: Align the card edges with the plastic slot guides of a single available position in the Series 90-70 rack. Slide the module inward until backplane connectors seat completely.
3. Mechanical Fastening: Engage the top and bottom retaining latches firmly over the rack frame flange, and torque the securing screws to 0.8 Nm (7 in-lb) to maintain mechanical stability.
4. Shielding & Grounding: Verify that the rack frame maintains a low-impedance ground connection to cabinet star ground using a minimum 14 AWG (2.5 mm sq) conductor. Ensure the module faceplate contacts the grounded chassis.
5. Port Cabling: Connect the designated network cable (10BaseT RJ-45, 10Base2 coaxial with proper 50-ohm termination, or AUI transceiver harness) to the appropriate front port, ensuring proper strain relief and noise segregation from high-voltage AC lines.