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Technical specifications for 51303968-100
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Manufacturer:Honeywell
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Product Category:DCS Systems
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Spare Part Number:51303968-100
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Estimated shipping dimensions:16.4x9x3cm
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Weight:0.1 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Assembly function:CMOS battery backup charger and monitor
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System application:PM/APM standard power system
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Production context:Early production
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Mounting location:Lower-right backpanel connector behind right power supply
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Protection device:F1 time-delay fuse
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Replacement access:Right power supply removed
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Service classification:Periodic-maintenance ORU part
Information
Overview
Manuals
Common Applications
Product Precautions
Honeywell 51303968-100 maintains the backup-energy path for volatile CMOS memory in an early-production PM/APM power system and reports failure status through its monitoring circuitry.
- PM/APM CMOS backup
- Charging circuitry
- Failure-alarm monitoring
- Early-production power system
Use Honeywell 51303968-100 only with the documented system, field interface and approved commissioning record for the installed application.
Important Notice: Confirm the complete 51303968-100 identity, companion hardware and wiring condition; do not substitute a similar code without an engineering review.
Honeywell 51303968-100 Manuals & Downloads
Honeywell 51303968-100 Official Technical Reference Excerpt (PDF)Honeywell 51303968-100 Installation & Commissioning Guide (PDF)
The Official Technical Reference Excerpt consolidates the selected Honeywell manual pages and exact-model technical data; the Installation & Commissioning Guide organizes identity control, isolation, interface checks, functional testing and acceptance records.
CMOS memory retention
Supports backup energy for volatile controller memory.
Battery charging
Maintains the installed CMOS backup cells during normal service.
Backup-failure monitoring
Reports a failure condition through the power-system monitoring path.
PM/APM maintenance
Provides the exact charger/monitor assembly for early-production power systems.
Apply these controls specifically to Honeywell 51303968-100 before isolation, replacement, reconnection and final release.
1
Match 51303968-100 on the installed assembly before removing the right power supply.
2
Back up controller configuration before disturbing the CMOS backup path.
3
Isolate the power system under the approved PM/APM maintenance procedure.
4
Observe ESD controls and battery-handling precautions throughout the work.
5
Record battery polarity, connector orientation and alarm wiring before disconnection.
6
Inspect the F1 time-delay fuse and mating backpanel connector before installation.
7
Reinstall the right power supply only after the backup assembly is fully seated.
8
Verify memory retention, charging status and failure-alarm behavior before handover.
Alternative Names
51303968-100
Technical notes
Record the complete model identity, installed system position, companion hardware, field wiring and configuration before service. Use the exact-model limits and acceptance checks shown in the manuals for restoration.
FAQ View All FAQ
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What is Honeywell 51303968-100?It is a CMOS battery backup charger and monitor assembly for early PM/APM power systems.
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Which systems use Honeywell 51303968-100?It is documented for Process Manager and Advanced Process Manager standard power systems.
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What does Honeywell 51303968-100 charge?It maintains the battery path used to preserve volatile CMOS memory.
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What monitoring function does Honeywell 51303968-100 provide?Its circuitry reports a CMOS backup failure alarm.
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Where is Honeywell 51303968-100 installed?It connects at the lower-right area of the early-production power-system backpanel behind the right power supply.
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What must be removed to access Honeywell 51303968-100?The right power-supply module must be removed under the approved procedure.
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Which fuse should be checked on Honeywell 51303968-100?The board drawing identifies F1 as a time-delay fuse.
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What should be tested after replacing Honeywell 51303968-100?Verify charging operation, memory retention and the backup-failure alarm path.
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