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    Apter Power handles IC697CPU780 quotation and availability requests for installed Hot Standby systems.

IC697CPU780

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General Electric IC697CPU780 is a 16 MHz, 32-bit floating-point CPU that operates as the primary or secondary controller in a Series 90-70 Hot Standby system.
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Technical specifications for IC697CPU780

  • Manufacturer:
    General Electric
  • Part Number:
    IC697CPU780
  • Product Family:
    GE 90-70 Series PLC
  • Product Type:
    16 MHz Hot-Standby CPU
  • Stock:
    1
  • Processor:
    16 MHz 80386DX
  • Control mode:
    Hot standby CPU redundancy
  • Discrete I/O capacity:
    12K inputs and 12K outputs
  • Analog I/O capacity:
    8K analog inputs and 8K analog outputs
  • User memory:
    Expandable CMOS memory
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Compatibility Communication Redundancy Control Applications

Features:

  • Transfers control between redundant PLCs without a process bump.
  • Switches to the standby controller within one scan in most cases.
  • Supports online programming and repair in redundant operation.
Configurable backup-data size lets IC697CPU780 synchronize the application state needed by the secondary controller rather than treating the pair as two unrelated CPUs.

Parity checking and processor checksums monitor the attached expansion memory, while status bits and fault tables expose redundancy and hardware symptoms to the control strategy.

Primary and secondary controllers may run the same program or different coordinated programs, with program-controlled or pushbutton transfer available for the redundancy design.

Availability and quotation assistance for General Electric IC697CPU780 16 MHz Hot-Standby CPU is available from Apter Power.
General Electric IC697CPU780 16 MHz Hot-Standby CPU Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Hardware required around an IC697CPU780 redundancy pair

  • Processor pairing: Two IC697CPU780 units are used, one configured as primary and the other as secondary.
  • CPU racks: IC697CHS750, IC697CHS790, and IC697CHS791 provide the supported rack environment.
  • Redundancy link: Each controller rack uses an IC697RCM711 Redundancy Communications Module.
  • Expansion bus: IC697BEM713 connects the CPU rack to compatible Series 90-70 expansion racks.
  • Shared I/O: IC660 and IC661 devices can form the common I/O layer seen by both controllers.

Programming connections for primary and secondary IC697CPU780 units

  • Serial access: The 15-pin CPU connector provides an RS-485-compatible programming port.
  • Signal conversion: IC690ACC900 or IC690ACC901 adapts the CPU interface for an RS-232 workstation connection.
  • Parallel access: The upper port on IC697BEM713 supports a parallel programming connection.
  • Controller selection: The programmer is moved between racks so primary and secondary configurations are loaded into the intended CPU.

How IC697CPU780 maintains standby readiness

  • Synchronization: Controller data is transferred so the backup can assume control with a current operating state.
  • Scan impact: Redundancy processing adds approximately 20 ms to the scan under nominal conditions.
  • Transfer trigger: Hardware faults, program logic, or the RCM pushbutton can initiate a controller changeover.
  • Failure isolation: The architecture removes a single processor as the sole point of control failure.
  • Online service: The inactive side can be repaired while the healthy controller continues the application.

Processes that benefit from IC697CPU780 Hot Standby control

  • Continuous production: Coordinated primary and secondary PLCs reduce disruption when one controller must leave service.
  • Material transfer: Common Genius I/O keeps field states available to the controller that assumes control.
  • Process sequencing: Floating-point execution supports calculated process values alongside redundant discrete logic.
  • Maintainable automation: Online repair allows planned processor work without shutting down the healthy side of the pair.
Description
General Electric IC697CPU780 is a 16 MHz, 32-bit Expandable Floating-Point CPU developed for Series 90-70 Hot Standby control.

A redundant pair uses one processor in the primary PLC and another in the secondary PLC, supporting bumpless transfer, CPU synchronization, online repair, and common Genius I/O.

Battery-backed expansion options include 128 KB, 256 KB, 512 KB, and a 256 KB CMOS board paired with 256 KB of non-volatile flash memory.
Revisions

Revision Part #

Also known as

IC697CPU780G
IC697CPU780-G, Series G, Rev G
IC697CPU780F
IC697CPU780-F, Series F, Rev F
IC697CPU780E
IC697CPU780-E, Series E, Rev E
IC697CPU780D
IC697CPU780-D, Series D, Rev D
IC697CPU780C
IC697CPU780-C, Series C, Rev C
IC697CPU780B
IC697CPU780-B, Series B, Rev B
IC697CPU780A
IC697CPU780-A, Series A, Rev A
Alternative Names
General Electric IC697CPU780 GE Fanuc IC697CPU780 GE IC697CPU780 IC697 CPU780 IC697-CPU780 Series 90-70 IC697CPU780 IC697CPU78O IC 697 CPU780
Technical notes
IC697CPU780 draws 1.6 A from the 5 V backplane; a fatal fault in the active unit transfers control to the backup before the failed rack is powered down.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How are the two IC697CPU780 processors assigned in a Hot Standby system?
Configure one IC697CPU780 as the primary controller and the other as the secondary controller. Load and verify each rack separately so the redundancy role matches the physical installation.
What should be checked when an IC697CPU780 pair will not synchronize?
For IC697CPU780, compare both controller configurations, RCM connections, backup-data settings, fault tables, and program compatibility before attempting another synchronization.
Can an IC697CPU780 be replaced while its partner controls the process?
An IC697CPU780 in the inactive rack can be replaced after confirming that the other controller is healthy, removing power from the affected rack, and preserving the rack configuration.
How does memory protection affect programming an IC697CPU780?
With the IC697CPU780 key in the protected position, normal program and configuration changes are blocked; parallel access through the Bus Transmitter path retains the permitted maintenance route.
What does a fatal CPU fault do in an active IC697CPU780 rack?
A fatal IC697CPU780 hardware fault places that processor in STOP and transfers control to the backup unit when the redundancy system is healthy enough to complete the changeover.
How is low battery status recognized on IC697CPU780?
During IC697CPU780 startup, a detected low battery prevents the MODULE OK LED from remaining on. Check the processor fault information and install the replacement battery before disconnecting the old one.
Which memory choices can be installed on IC697CPU780?
IC697CPU780 accepts 128 KB, 256 KB, or 512 KB CMOS expansion memory, plus an option combining 256 KB CMOS with 256 KB non-volatile flash. Initialize the CPU after changing the board.