GE / IP FANUC Series 90/30 In Stock

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IC693PWR324 IC697MEM731 In Stock! Memory RAM, 128K Bytes, CMOS IC697M IC697ME IC697MEM PDFsupply also repairs GE IC697MEM731 In Stock! Memory RAM, 128K Bytes, CMOS IC697M IC697ME IC697MEM PDFsupply also repairs GE

SKU 2177067  UPC 0251200650728

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MSRP $3713



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Product Description

IC697MEM731 is a 32-Bit CMOS Expansion Memory manufactured by GE Fanuc for the 90-70 series
. This memory is available in four versions, including 128 KB, 256 KB with 256 KB non-volatile flash memory, 256 KB, and 512 KB. 
Installed as a daughter board, IC697MEM731 resides in the same slot as the module. Therefore, it does not require any additional slot and can be configured for data and program storage. In addition to features noted above, IC697MEM731 provides expansion of 780, 781, 782, 788, and 789 CPUs, parity generation, and checking for each byte of SCRAM and error checking via CPU checksum routine.

In the event of power loss, memory is saved by the lithium battery strategically placed at the baseboard housing. This battery is catalogued as C697ACC701. Apart from maintaining user memory when power is removed, the lithium battery is in charge of running the calendar clock on the PLC CPU. The user must be sure to install the new battery before attempting to remove the old battery. The battery has an extended shelf life of 10 years and should remain at 20 degrees Celsius (or 68 degrees Fahrenheit). Memory retention is typically 6 months nominal without applied power. Flash memory, on the other hand, is retained in the event of power loss with or without a battery connection. Logic program memory is continually error-checked by the PLC CPU as a background task. During installation, only a #1 Phillips screwdriver is necessary to install IC697MEM731 memory in the field.

Technical Information


Shelflife                                           10 years at 20 deg C (68 deg F)

Memory retention                           6 months nominal without applied power

Current require from 5V Bus        2.25 amps  (includes expansion memory board and CPU module)


VME                                                  System designed to support the VME standard C.1


Troubleshooting IC697MEM731

Troubleshooting information is available on IC697MEM731's website page; it also includes a datasheet user-manual and a wiring diagram.

Repair your IC697MEM731

PDF Supply can repair your IC697MEM731 in 3-5 business days. And PDF Supply stands by all of its repairs with a 2 year customer satisfaction warranty.

Customer Questions and Answers

  • Question:  What is an IC697MEM731?   Answer:  The IC697MEM731 is an 128 Kbytes, 32-Bit CMOS Expansion Memory in the GE Fanuc Series 90-70. This memory must be used to provide logic and data memory in the PLC CPU 780, 781, 782, 788, and 789 Central Processor Unit modules. 
  • Question:  As what is IC697MEM731 installed and where is it located?  Answer:  It is installed as a daughter board and it is located in the same slot as the module it serves. 
  • Question:  Is this board required for operation of the CPUs?  Answer:  Yes, it is required for proper operation of these CPUs since the base board contains no RAM memory.
  • Question:  How is memory saved in the event of a power loss?  Answer:  It is saved by the battery on the base board housing. 
  • Question:  Do I need the battery connected to retain flash memory in the event of a power loss?  Answer:  While you can have it connected, you do not NEED it connected. Flash memory is saved in the event of a power loss with or without the battery connected. 
  • Question:  Is the logic program memory error-checked?  Answer:  Yes, it is error-checked by the PLC CPU as a background task. 
  • Question:  What are some of the features of IC697MEM731?  Answer:
    • It is available in 128 Kbytes, 256 Kbytes with 256 Kbytes of non-volatile flash memory, 256 Kbytes, and 512 Kbytes.
    • It is used for the expansion of CPU 780, 781, 782, 788, and 789.
    • Memory is saved by the battery on the CPU.
    • It doesn't require an additional slot.
    • It is configurable for data and program storage.
    • You only need a #1 Phillips screwdriver for installation.
    • And more!
  • Question:  What should I do in the event my IC697MEM731 is not working properly?  Answer:  Your IC697MEM731 may need repair

For more information on the IC697MEM731 128 Kbytes, 32-Bit CMOS Expansion Memory of the GE Fanuc 90-70 Series, please see the Datasheet User-Manual. 


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

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