Features:
- Adds 256 Kbytes of CMOS logic and data memory to a compatible host module.
- Installs as a field-replaceable daughter board without consuming an additional rack slot.
- Supports program or data allocation with host-managed memory checking.
The current ordering configuration is IC697MEM717, a 256 Kbyte CMOS expansion-memory daughter board for compatible Series 90-70 CPU and PCM hosts.
The board expands retained logic or application-data capacity in installed control systems that use the documented 64-pin daughter-board interface.
Before installation, confirm the host part number, battery condition, connector alignment and the applicable CPU or PCM initialization procedure.
Availability is subject to Apter Power inventory and sourcing confirmation.
Verified resources for General Electric IC697MEM717:
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.
- Expands logic or data storage in installed CPU 771 control racks that require additional retained CMOS memory.
- Supports CPU 772 modernization or maintenance work where the documented daughter-board interface remains in service.
- Adds memory capacity to IC697PCM711 coprocessor applications that follow the PCM initialization and reset procedures.
- The documented CPU hosts are IC697CPU771 and IC697CPU772 in the Series 90-70 architecture.
- IC697PCM711 accepts the board when the PCM support-software installation procedure is followed.
- The host must provide the 64-pin daughter-board connector and the base-board battery circuit used for retention.
- Added CMOS capacity can be allocated for both logic-program storage and application data.
- A CPU installation requires memory clearing with the supported programming software before normal use.
- A PCM installation follows the Programmable Coprocessor Module support-software procedure rather than the CPU sequence.
- The PLC CPU continually checks logic program memory with a background checksum task.
- The PCM validates storage memory during power cycles and hard or soft resets.
- The IC697ACC701 battery retains user memory when rack power is removed from the host module.