Features:
- Backup circuit: Maintains CMOS memory in the early-production HPM Standard Power System.
- Charging supervision: Supports the separate NiCad battery cells and monitors backup-circuit faults.
- Board location: Plugs into the lower right backpanel connector behind the right Power Supply Module.
The battery cells and the CMOS backup board are separate service items.
Backpanel photos help identify the installed power-system generation before a quotation.
A board request should include the visible assembly marking rather than only a generic battery description.
Apter Power can help source the Honeywell 51303968-100 HPM CMOS Battery Backup Assembly and provide a quotation and applicable HPM documentation.
Honeywell 51303968-100 HPM CMOS Battery Backup Assembly Manuals,Datasheets,Link
Important Notice: Power Supply Modules, cabinet hardware and retained project media are not included unless quoted.
- CMOS retention: The assembly supports memory backup in the early HPM Standard Power System.
- Separate cells: NiCad batteries are mounted on the backpanel rather than integrated into this board.
- Charging function: The board includes circuitry associated with the battery charging path.
- Fault indication: Monitoring circuitry supports backup-failure alarm reporting.
- Board position: The assembly plugs into the lower right backpanel connector.
- Cabinet access: The right Power Supply Module blocks direct view of the board.
- Preparation: Configuration records should be protected before power-system service.
- Maintenance scope: The applicable Honeywell procedure governs any cabinet isolation and access.
- Production generation: Identify the early Standard Power System before selecting this assembly.
- Physical marking: Match the printed assembly number and backpanel connector.
- Functional review: Charging and monitoring indications should be evaluated after service.
- Configuration difference: An unfamiliar backpanel arrangement calls for documentation review before substitution.
- HPM CMOS memory backup maintenance.
- Early Standard Power System restoration.
- Battery charging and monitoring assembly replacement.
- Planned cabinet service with configuration protection.