• General Electric IC697RCM711
  • General Electric IC697RCM711
  • General Electric IC697RCM711
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General Electric IC697RCM711 Series 90-70 Redundancy Communications Module

General Electric IC697RCM711 Series 90-70 Redundancy Communications Module

Description

The General Electric IC697RCM711 is a Redundancy Communications Module (RCM) designed for the Series 90-70 PLC platform. This module facilitates high-speed synchronization between primary and backup CPUs in Hot Standby...

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SKU: IC697RCM711
Vendor: General Electric
Category: Redundancy Communications Module
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Description

The General Electric IC697RCM711 is a Redundancy Communications Module (RCM) designed for the Series 90-70 PLC platform. This module facilitates high-speed synchronization between primary and backup CPUs in Hot Standby and Enhanced Hot Standby configurations. It provides a dedicated path for shared I/O data transfer and synchronization messaging, ensuring seamless takeover during fault conditions.

Features

  • High-speed parallel bus expansion interface.
  • Supports Hot Standby and Enhanced Hot Standby CPU redundancy configurations.
  • Enables shared I/O data transfer and synchronization between redundant PLC units.
  • Integrated manual pushbutton for active-to-backup unit switching.
  • Five LED status indicators for board health and system control monitoring.
  • Compatible with IC697CPU780, IC697CGR935, and IC697CGR772 CPUs.

Applications

  • Oil & Gas Refineries: Critical safety and processing systems requiring high availability.
  • Power Generation: Turbine, generator, and substation control automation.
  • Chemical & Pharmaceutical: Batch control and safety-critical protection.
  • Marine Power Systems: Digital bus management for propulsion and service systems.
  • Pulp & Paper Mills: Coordinated machinery and large-scale process control.
  • Automotive Assembly: High-speed assembly lines where process continuity is essential.

Technical Specifications

Product Model IC697RCM711
Manufacturer General Electric
Series 90-70
Current Consumption 1.2 Amps (at 5V Bus)
Data Rate 500 Kbytes/sec
Max Cable Length 7.5 meters (25 feet)
Slot Occupancy Single slot
Electrical Isolation Non-isolated differential
LED Indicators Board OK, Local Ready, Local Active, Remote Ready, Remote Active

Installation Guidelines

  • Ensure the PLC rack is powered down before inserting or removing the module to prevent electrical damage.
  • The module is designed for installation in slots 2 through 9 of the CPU rack (Rack 0).
  • Use appropriate shielded cabling (e.g., IC697CBL811 or IC697CBL826) for communication links to minimize EMI interference.
  • Maintain proper grounding practices for the rack and communication shields.
  • Handle the module using ESD-safe practices to protect internal circuitry.
  • Ensure adequate ventilation around the rack to maintain operating temperatures within specified limits.

FAQs

What is the primary function of the IC697RCM711?

The module synchronizes active and backup CPUs in a redundant system, allowing for shared I/O data transfer and automatic failover in the event of a primary unit fault.

What CPUs are compatible with this module?

The IC697RCM711 is compatible with GE Series 90-70 CPUs including the IC697CPU780, IC697CGR935, and IC697CGR772.

How do I manually switch between redundant units?

The module features a physical pushbutton on the front panel that allows for a manual switch from the active unit to the backup unit.

What do the LED indicators signify?

The LEDs provide real-time status of the module health (Board OK) and the control status of the redundant system (Local/Remote Ready and Active states).