The IC697MEM733 is a 256 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. See specifications for this unit on IC697MEM733's website page.
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 information is available on IC697MEM733's website page; it also includes a datasheet user-manual and a wiring diagram.
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Customer Questions and Answers
Question: What is an IC697MEM733? Answer: The IC697MEM733 is a 256 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 IC697MEM733 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 IC697MEM733? 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.
Question: What should I do in the event my IC697MEM733 is not working properly? Answer: Your IC697MEM733 may need repair.
For more information on the IC697MEM733 256 Kbytes, 32-Bit CMOS Expansion Memory of the GE Fanuc 90-70 Series, please see the Datasheet User-Manual.
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