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SKU 2178326  UPC 0799705792777


MSRP $9995



Save $7,000

2 In Stock

✓  2 Year PDF Supply Warranty

*What is Remanufactured?

Repair Service


Save $8,520

5-10 Days

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Product Description

The IC697CPU789 is a single-slot, Expandable PLC designed to provide triple modular redundancy in sensitive IC66* applications.
Note: To provide this redundancy, a set of C program blocks are required. Operation of this device is possible by a hardware three-position run/stop switch or by IC641 software from a computer. Device status is indicated by four LED lights.


A backplane connected to the rack allows this device to use several I/O modules, including IC697 LAN interface modules; coprocessor, communications, and alphanumeric display modules; IC660 and IC661 bus controllers; I/O link interface modules; and IC697 discrete and analog modules. Note: IC697 modules are supported only in simplex mode.


All device calculations are performed by a 16MHz 80386DX microprocessor. Each Boolean function is calculated at 0.4 microseconds. Supported inputs and outputs are as follows: Diverse combinations of up to 12K discrete I/O in simplex mode only, 2048 voted discrete I/O, 8K analog I/O in simplex mode only, and 1024 voted analog inputs.


The IC697CPU789 supports expandable memory in the form of an expansion board. This expansion provides 512 KB of memory. Of these 512 KB, about 200 KB are used to store program data. All memory is maintained by an on-board lithium battery.


A serial, parallel, or Ethernet connection to a computer loaded with IC641 software is used to program the IC697CPU789. The programming computer may use MS-DOS or Win 95/Win NT operating systems. No jumpers or Dual Inline Package (DIP) switches are required. Options to protect programming data include a software password and a hardware switch.


To properly install this device, follow the instructions in the product documentation. The run/stop switch should be in the stop position. Rack power and the hardware memory security switch should be off. Using the proper screwdriver, connect the expansion board. Place the CMOS battery into one of the appropriate connectors. Insert the device into the first available rack slot. Turn rack power back on.

Technical Specifications

Module Type: Expandable CPU (Triple Redundancy)
Number of Slots: 1 (Single slot)
Current Required: 1.6 Amps
Number of Points:  12K discrete inputs and outputs (any mix)
Serial Ports: One
Supports: IC660/IC661 I/O and IC697 I/O



Technical Information




Shelf life

Memory retention


10 years at 20ï‚°  C  (68ï‚° F)

6 months nominal without applied power.

Current required from 5V bus

1.6 Amps (includes expansion memory board)

Time of Day Clock accuracy

Elapsed Time Clock (internal timing) accuracy

"    3.5 seconds per day maximum

"    .01% maximum

Serial Port

RS422/485 compatible


Programmer Serial Attachment


System designed to support the VME standard C.1



Troubleshooting IC697CPU789

Troubleshooting information is available on IC697CPU789's website page; it also includes a datasheet user-manual and a wiring diagram.

Repair your IC697CPU789

PDF Supply can repair your IC697CPU789 in 3-5 business days. And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.

Customer Questions and Answers

  • Question:  What is an IC697CPU789?  Answer:  The IC697CPU789 is a 16MHz, 32-Bit, Expandable Central Processing Unit for IC66* Triple Modular Redundancy Systems from the GE Fanuc 90-70 Series. 
  • Question:  What will I need to test my IC697CPU789?  Answer:  You will need your IC697CPU789, a slot rack, and a power supply.
  • Question:If the top LED is not on or is blinking when I test my processor- What does that mean?  Answer:  It means you definitely have something wrong with your processor.
  • Question:  How do I test the port that is on IC697CPU789?  Answer:  Go into Proficy Machine Edition, clear the controller fault table and/or the I/O fault table- nothing else. Then, click download and run. You want to download hardware, configuration, and logic. The only thing you are trying to do is get the processor into run mode.
  • Question:  What does each LED indicate?  Answer:  The top LED is the OK LED, the middle LED is the run enabled LED, and the bottom LED is the I/O enabled LED. 
  • Question:  What else should I test on IC697CPU789?  Answer:  You should test the toggle switch (that is under the LEDs). This toggle switch turns off the LEDs and you should simply make sure it works by flipping it on and off. 
  • Question:  What if I think there is a problem with my processor?  Answer:  You should leave it in run mode over night or over a weekend to check and see if it will stay in run mode. 
  • Question:  What if my IC697CPU789 won't stay in run mode?  Answer:  Then your IC697CPU789 may need to be repaired

For more information on the IC697CPU789 16 MHz, 32-Bit, Expandable Central Processing Unit of the GE Fanuc 90-70 Series, please see the Datasheet User-Manual. 


ST. LOUIS, Feb. 1, 2019 – Emerson today announced it has completed the purchase of Intelligent Platforms from General Electric.
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