Honeywell 51303968-100 CMOS Battery Backup Assembly Module

Overview

The Honeywell 51303968‑100 is a precision CMOS Battery Backup Assembly engineered for PM/APM and PKS distributed control systems. It safeguards critical system memory, preserving configuration data, hardware parameters, and real-time clocks during power interruptions. This compact board-level module ensures seamless operation and reliable memory retention in demanding industrial environments.

Key Features

• Provides uninterrupted backup power for CMOS memory in Honeywell DCS platforms.

• Supports rechargeable battery functionality with integrated charge monitoring.

• High energy retention ensures extended backup duration during outages.

• Rapid recharge capability reduces system downtime.

• Compact, lightweight design for installation in industrial automation cabinets.

• Robust operation across extreme temperatures.

Technical Specifications

General

• Manufacturer: Honeywell

• Model / Part Number: 51303968‑100

• Type: CMOS Battery Backup Assembly / Backup Board

• Country of Origin: USA

Electrical

• Power Source: Rechargeable battery system

• Function: Maintains system configuration memory during power loss

Mechanical

• Dimensions: 200 mm × 100 mm × 30 mm

• Weight: 0.20 lbs

Environmental

• Operating Temperature: –40°C to +85°C

• Storage Temperature: –55°C to +100°C

Applications

Ideal for PM/APM and PKS DCS systems, the Honeywell 51303968‑100 is essential for maintaining system integrity during power interruptions. Suitable for industrial automation panels where reliable memory preservation is critical.

FAQ

Q: Can this module replace older Honeywell CMOS backup boards?
A: Yes, it is compatible with existing PM/APM and PKS systems, providing improved reliability and recharge monitoring.

Q: How long can it maintain memory during a power outage?
A: Backup duration depends on battery condition and system load, but the design supports extended retention for critical configuration data.

Q: Does it require additional installation hardware?
A: No, the board-level design allows direct integration into standard control cabinets.

Q: Are there similar modules for comparison?
A: Comparable Honeywell modules include 51303968‑200 and legacy CMOS backup boards, which offer similar functions with minor variations in form factor and capacity.