GE Fanuc IC697CGR935-EB – Redundancy/Coordinator Module for Series 90-70 Control Systems

The IC697CGR935-EB is a GE Fanuc Series 90-70 module used in high-availability architectures where controller coordination and redundancy typically matter most. From my experience, this unit is often deployed in hot-standby or GMR-style systems to manage switchover logic and keep the process running when a primary controller is unavailable. You might notice that it follows the familiar 90-70 rack form factor, integrates through the IC697 backplane, and doesn’t require any exotic wiring—good news for teams maintaining legacy or mixed-generation lines.

Order Placement Process and Guarantees

Key Features

• Redundancy coordination – Designed for Series 90-70 high-availability control, typically used to supervise switchover between primary and backup controllers.
• Backplane integration – Interfaces via the IC697 backplane, so it installs cleanly in a standard 90-70 rack without additional interface adapters.
• Diagnostics and status – Front-panel indicators (and system diagnostics) help maintenance teams quickly see role/health during commissioning and failover drills.
• Revision EB hardware – The “-EB” revision typically reflects a later hardware/firmware update for improved stability and lifecycle support.
• Legacy system fit – Well-suited for installed bases where replacing the entire cabinet isn’t practical; in many cases it’s a drop-in for existing redundancy schemes.

Technical Specifications

Where it fits best

Plants running continuous processes—power generation auxiliaries, chemical skids, or paper lines—tend to use the IC697CGR935-EB to maintain controller availability during maintenance or unexpected trips. One thing I appreciate is how it lets teams modernize in phases: you can stabilize redundancy first, then refresh CPUs and I/O as budgets allow.

A maintenance manager recently told us their switchover drills went from “variable” to “predictable” after replacing an aging coordinator with the -EB revision. That seems to be common when moving to later hardware revisions in the 90-70 family.

Related or Supporting Products

• IC697CHS750 / IC697CHS790 – 90-70 racks (select slot count based on system size and spares policy)
• IC697PWR711 / IC697PWR713 – Power supply modules for the 90-70 rack
• IC697CPU772 / IC697CPU781 / IC697CPU782 – Series 90-70 CPU options that are commonly paired with redundancy coordinators
• IC697MEMxxx – Memory modules where project size or redundancy diagnostics require expanded storage
• IC697CMM711 or IC697BEM7xx – Communications and bus expansion modules when field networks (e.g., Genius or Ethernet interfaces) are needed

Note: Exact pairing depends on your redundancy scheme. If you share a current slot map, we can suggest a confirmed bill of materials.

Installation & Maintenance

• Cabinet environment – Install in an IC697 rack within a clean, dry enclosure. Aim for 0–60 °C ambient, modest humidity, and adequate airflow.
• Wiring & grounding – Use proper rack grounding and ESD handling. Keep communication cabling and power separated where possible to reduce noise.
• Slot planning – Place redundancy coordinator and CPUs per GE’s 90-70 guidelines; leave space for power and comms modules to prevent thermal hotspots.
• Commissioning – Verify module revision (-EB), update firmware where applicable, and document the switchover logic and test results.
• Routine maintenance – Quarterly visual checks for connector seating and LEDs; back up the project after any changes; schedule redundancy switchover drills after firmware or configuration edits.
• Spares strategy – Keep at least one tested spare on hand in most cases; it reduces downtime during unplanned failovers.

Quality & Certifications

• Typically CE and UL listed for industrial control equipment; many Series 90-70 modules also carry CSA
• RoHS compliance varies by vintage; the -EB revision is a later hardware series, but legacy exemptions may apply
• Each unit is inspected and function-tested; 365-day warranty from our side