Honeywell 51198947-100 Process Manager HPM Power Supply Module

Description

The Honeywell 51198947-100 is an AC input, AC/DC output power supply module engineered specifically for Honeywell Universal Control Network (UCN) equipment cabinets, including Process Manager (PM), Advanced Process Manager (APM), and High Performance Process Manager (HPM) systems. Operating from a wide line voltage range of 85 to 264 VAC or a 48 Vdc auxiliary battery system, it serves as a central power distribution and backup unit within Honeywell DCS architectures.

This module features a regulated DC output nominally rated at 25.25 Vdc at a 10 A load during AC line operation, and transitions to 24.25 Vdc when operating on 48 V battery power. Integrated into its design is an active battery charging circuit for 48 V auxiliary battery banks, alongside a nominal 6 Vac line-frequency output rated at 35 mA dedicated to system line-frequency synchronization.

The 51198947-100 is equipped with extensive diagnostic monitoring and dedicated LED indicators for DC Out, Battery, Fan/Temp, AC In, and Charging status. Internal dry annunciator contact outputs seamlessly integrate into system alarm schemes to alert operators to power failures, overtemperature conditions, fan degradation, or battery circuit faults. Designed for high-reliability environments, two or more modules can be configured with outputs wired in parallel to establish redundant power configurations.

Features

• Wide Input Range: Accepts 85 to 264 VAC line input or secondary 48 Vdc battery backup power.
• Dual-Mode Regulated DC Output: Delivers 25.25 Vdc at 10 A under standard AC power and 24.25 Vdc under 48 V battery operation.
• Integrated Battery Charger: Built-in charging circuit engineered to maintain auxiliary 48 Vdc battery banks in float standby service.
• Line Frequency Synchronization: Provides a nominal 6 Vac, 35 mA line-frequency reference output for system timing synchronization.
• Comprehensive Visual Diagnostics: Front-panel LED indicators monitor DC Out, Battery Status, Fan/Temperature, AC Input, and Battery Charging states.
• Hardware Alarm Contacts: Integrated relay annunciator contacts open automatically upon loss of AC input, DC output fault, internal overtemperature, fan failure, or battery charger fault.
• Redundant Configuration Support: Engineered for parallel output operation across two or more units to ensure uninterrupted system uptime.
• CE Compliant Architecture: Meets applicable European Economic Community (EEC) directives for industrial safety and EMC performance.

Applications

• Honeywell DCS Cabinets: Provides main operating power and backup battery control for PM, APM, and HPM UCN cabinet assemblies.
• System Clock Synchronization: Delivers line-frequency AC synchronization signals to process control modules.
• Redundant Industrial Power Schemes: Serves as a hot-swappable or parallel power module in mission-critical process automation enclosures.

Technical Specifications

Connections / Interfaces

Installation Guidelines

1. Safety Pre-Check: Verify that input line voltages match the rated 85–264 VAC operating range before applying mains power.
2. Cabinet Airflow: Ensure the cabinet installation allows unhindered airflow around the module's cooling fan and heat dissipation paths.
3. Grounding: Verify that protective earthing (PE) and cabinet ground bonding conform to Honeywell installation guidelines prior to powering the unit.
4. Wiring Verification: Ensure positive, negative, and earth connections to the 48 V battery bank and DC bus bars are wired with correct polarity and secure terminations.
5. Parallel Setup: When installing units in a parallel/redundant setup, confirm that load connections are balanced according to system documentation.

Replacement Recommendations

• Off-Process Replacement: Where possible, perform module replacement off-process during scheduled maintenance windows to mitigate environmental risks and avoid pulling airborne contaminants into adjacent running power supplies.
• Redundant Swap Protocol: If performing a live swap in a redundant dual-supply system, exercise caution to avoid introducing airborne particulates that could impair the active supply's cooling fan.
• Diagnostic Check: Following replacement, verify that all five front-panel LEDs (DC Out, Battery, Fan/Temp, AC In, Charging) illuminate solid green, confirming normal system operation.