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IC697CPU788

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General Electric IC697CPU788 is a 16 MHz GMR CPU for redundant Series 90-70 control systems with as many as 352 mixed I/O points.
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Technical specifications for IC697CPU788

  • Manufacturer:
    General Electric
  • Part Number:
    IC697CPU788
  • Product Family:
    GE 90-70 Series PLC
  • Product Type:
    16 MHz GMR CPU for 352 I/O
  • Stock:
    1
  • Processor:
    16 MHz 80386DX
  • System role:
    Genius modular redundancy CPU
  • Mixed I/O capacity:
    352 points
  • Expansion memory:
    512 KB 32-bit CMOS RAM
  • I/O compatibility:
    IC660 and IC661 Genius I/O
  • 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 GMR Coordination Diagnostics Applications

Features:

  • Controls up to 352 mixed I/O points in a GMR architecture.
  • Uses a 16 MHz 32-bit processor for coordinated redundant logic.
  • Works with IC660 and IC661 Genius I/O.
Voting logic allows IC697CPU788 controllers to compare their operating results before a commanded state reaches the shared field system.

The smaller GMR capacity distinguishes this processor from the higher-point CPU 789 and must be preserved when the application is restored.

Battery-backed memory retains the controller program and redundancy data through loss of rack power.

Apter Power supports quotation and availability enquiries for General Electric IC697CPU788 16 MHz GMR CPU for 352 I/O.
General Electric IC697CPU788 16 MHz GMR CPU for 352 I/O 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.

GMR components paired with IC697CPU788

  • Controller set: The processor operates as a member of a coordinated redundant CPU group.
  • Field network: IC660 and IC661 Genius devices provide the common I/O layer.
  • Capacity boundary: The application must remain within the 352-point mixed-I/O limit.
  • Memory: The installed 512 KB expansion board must match the saved controller image.

Controller voting around IC697CPU788

  • Program alignment: Participating CPUs require compatible control logic and redundancy settings.
  • Data exchange: Operating states are shared so each controller votes from the current process condition.
  • Output decision: The GMR arrangement resolves differing controller results before field commands are applied.
  • Resynchronization: A repaired controller is returned only after its state agrees with the operating group.

Fault isolation for an IC697CPU788 group

  • CPU comparison: A disagreement between controllers is separated from an I/O-network fault.
  • Genius status: Bus health and affected devices are checked before a processor is removed.
  • Memory condition: Parity, retained data, and battery state are reviewed when the application will not recover.
  • Acceptance test: Voting and transfer behavior are exercised after the repaired controller rejoins.

Smaller redundant systems using IC697CPU788

  • Critical sequencing: Controller voting protects interlocks that cannot depend on one processor result.
  • Process units: The 352-point limit suits compact process areas requiring redundant decisions.
  • Material transfer: Shared Genius I/O coordinates conveyors and routing equipment across controller faults.
  • Utility control: Redundant logic maintains essential auxiliary services while one CPU is isolated.
Description
General Electric IC697CPU788 is a 16 MHz, 32-bit CPU used in Genius Modular Redundancy systems sized for as many as 352 mixed I/O points.

Multiple controllers execute coordinated logic and vote on control results, while Genius I/O provides the common field-data path needed by the redundant architecture.

A 512 KB battery-backed expansion board stores the application and operating data required by the processor.
Revisions

Revision Part #

Also known as

IC697CPU788FA
IC697CPU788-FA, Series FA, Rev FA
IC697CPU788EA
IC697CPU788-EA, Series EA, Rev EA
IC697CPU788DA
IC697CPU788-DA, Series DA, Rev DA
IC697CPU788D
IC697CPU788-D, Series D, Rev D
IC697CPU788C
IC697CPU788-C, Series C, Rev C
IC697CPU788B
IC697CPU788-B, Series B, Rev B
IC697CPU788A
IC697CPU788-A, Series A, Rev A
Alternative Names
General Electric IC697CPU788 GE Fanuc IC697CPU788 GE IC697CPU788 IC697 CPU788 IC697-CPU788 Series 90-70 IC697CPU788 IC697CPU7BB IC 697 CPU788
Technical notes
IC697CPU788 is the 352-point GMR processor; verify the GMR capacity, controller position, voting arrangement, and 512 KB memory board before replacement.
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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 is IC697CPU788 distinguished from IC697CPU789?
IC697CPU788 is the GMR CPU sized for as many as 352 mixed I/O points; IC697CPU789 supports a substantially larger GMR I/O count.
What should be checked when IC697CPU788 disagrees with another controller?
Compare the IC697CPU788 program, redundancy settings, synchronized data, fault tables, and Genius I/O status before replacing a CPU.
Can IC697CPU788 be returned to a GMR set immediately after replacement?
Synchronize the replacement IC697CPU788 with the operating group and confirm matching application state before allowing it to participate in voting.
Which memory capacity belongs with IC697CPU788?
IC697CPU788 uses a 512 KB 32-bit expansion-memory arrangement; restore the saved program only after the installed board is confirmed.
How should a Genius bus fault be separated from an IC697CPU788 fault?
Review bus-controller and field-device status with the IC697CPU788 fault tables. A network fault can affect shared I/O even when the CPU remains healthy.
What must be preserved before removing IC697CPU788?
Save the IC697CPU788 program, redundancy role, controller addresses, voting settings, rack position, and fault history before isolating the rack.
How is IC697CPU788 acceptance-tested?
After synchronization, exercise an allowed controller transfer and verify that IC697CPU788 voting, Genius I/O updates, and commanded outputs remain consistent.

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