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GE IC697CPU772 is a single-slot 12 MHz Series 90-70 CPU with floating-point capability. Its battery-backed CMOS memory is expanded with the documented 64K through 512K daughter boards.
The first document presents model-specific technical data. The second provides installation checks, commissioning steps and acceptance records.
Floating-point control
Executes documented calculations for process and machine-control programs.
Large legacy applications
Uses an approved expansion-memory board for the required program capacity.
CPU replacement
Retains the exact memory board, program and rack interface.
Restart verification
Restores logic, memory and I/O configuration before a controlled run test.
Read the applicable General Electric instructions before work. Verify IC697CPU772 and the installed system configuration.
1
Verify the complete IC697CPU772 marking and installed revision.
2
Place the controller and connected equipment in the approved maintenance state.
3
Record the rack position, connections and interface assignments.
4
Back up the documented configuration and operating values.
5
Isolate power before removing the module or rack hardware.
6
Use ESD controls and seat all connectors evenly.
7
Restore only documented companion hardware and approved settings.
8
Verify diagnostics and controlled system response before release.
Technical notes
Technical notes
Use only the complete GE IC697CPU772 identity and the current manufacturer publication. Verify the installed revision, companion hardware, wiring and saved configuration before replacement or release.
It uses a 12 MHz 80C186 processor with floating-point math support.
How much memory can GE IC697CPU772 support?
It supports up to 512K of battery-backed CMOS memory with the approved expansion board.
Which GE IC697CPU772 memory boards are documented?
The data sheet identifies 64K, 128K, 256K and 512K options.
How much discrete I/O can GE IC697CPU772 support?
It supports up to 2K inputs and outputs in any mix.
Does GE IC697CPU772 use hardware configuration switches?
No. It is software configured and has no DIP switches or configuration jumpers.
What must be recorded before replacing GE IC697CPU772?
Record the complete GE IC697CPU772 marking, installed revision, system position, connections and approved configuration before removal.
What confirms successful commissioning of GE IC697CPU772?
The exact GE IC697CPU772 identity, restored configuration, normal diagnostics and a controlled model-specific functional test must all agree with the approved record.
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