CPU350 platform

One-slot modular Series 90-30 CPU with 32K configurable user memory.

Complete DH identity

Match the full suffix and firmware instead of ordering only the CPU350 base number.

Backup before shutdown

Protect the project and battery-backed contents before any power or battery work.

IC693CPU350-DH is a modular Series 90-30 CPU350 identified by the complete DH suffix. The CPU350 platform provides 32K of configurable user memory and uses battery-backed memory, so a validated project backup and memory-protection plan are essential before removing power.

Public GE revision information groups D-generation CPU350 units but does not justify inventing a unique DH functional feature. Confirm the full nameplate, firmware, baseplate, power supply, battery condition, communications path, option modules and project support together.

Purchase verification

Send the IC693CPU350-DH front and side labels, firmware, baseplate and power-supply models, battery date, option-module list, fault tables and current project backup. We will review the complete revision match.

Legacy machine control

Runs an established Series 90-30 logic and I/O configuration.

Process sequences

Maintains CPU350 applications after validated backup and hardware review.

Installed-base maintenance

Provides an exact-revision starting point for a planned processor exchange.

Project recovery planning

Supports identification when the original CPU or battery is failing.

Show the DH label, key switch, battery and installed baseplate

Photograph the IC693CPU350-DH front, side nameplate, key position, battery area, power supply and every option module. Capture firmware and fault-table screens before shutdown.

Can IC693CPU350-DH be replaced by any CPU350?

Not without checking the complete suffix, firmware, power supply, baseplate, option modules, communications and project-software support. Preserve DH as the requested identity until interchangeability is documented.

What should I back up before changing IC693CPU350-DH?

Save the full hardware configuration, logic, reference tables, register values needed by the process, fault tables and communications settings. Verify the backup can be opened before powering down the controller.

How should I manage the IC693CPU350-DH battery during service?

Follow the official battery-replacement procedure and maintain memory protection. Published service-life figures are examples under stated temperatures, not proof of the battery's remaining capacity.

Why can a replacement CPU350 power up but not run the machine?

Possible causes include firmware or project incompatibility, missing configuration, wrong rack hardware, option-module mismatch, cleared battery-backed data, key-switch state or unresolved CPU/I/O faults.

Where is the programming connection for IC693CPU350-DH?

The Series 90-30 programming serial interface is associated with the power-supply assembly. Confirm the installed power-supply model, cable and communication settings before assuming the CPU front has the required port.

What photographs help confirm an IC693CPU350-DH order?

Provide both nameplates, firmware screen, baseplate, power supply, battery and all installed option modules. Include the quantity, destination and whether the project and configuration backup are available.

Need a verified IC693CPU350-DH for an installed system?

Share the full nameplate, installed configuration, clear connector or terminal photos, quantity and destination. Myrtle will review model identity, compatibility and delivery requirements before quotation.