Overview

The Honeywell 8C-PAIH52 (Part Number 51454475-100) is a RAM Charger Module designed for the Experion PKS Series 8 C300 controller. Its primary function is to provide battery-backed power to the controller’s RAM memory, ensuring that critical configuration data, programs, and process information remain intact during power interruptions.

Moreover, the module continuously maintains its internal battery charge, guaranteeing long-term data retention and system reliability. It also supports redundant configurations, allowing dual modules with a redundancy cable to deliver uninterrupted memory protection in mission-critical environments.

Technical Data

Key Features

• Battery-backed RAM: Preserves critical data during power outages.

• Continuous charging: Maintains battery health for long-term memory retention.

• Redundancy support: Dual module configuration ensures uninterrupted protection.

• Compact design: Single-slot module for easy installation in C300 controllers.

• Certified reliability: CE, UL, CSA approvals for global compliance.

Typical Applications

• Process industries: Oil refining, petrochemical, and power generation requiring uninterrupted memory protection.

• Safety systems: Ensures event logs and configurations remain intact during shutdowns.

• Mission-critical automation: Provides redundancy and reliability for continuous plant operations.

• System upgrades: Used when modernizing legacy controllers to Series 8 hardware.

FAQ

Q1: What is the primary function of the 8C-PAIH52?
A1: It preserves RAM contents in the C300 controller during power failures using a battery-backed supply.

Q2: Does it support redundancy?
A2: Yes, dual modules can be installed with a redundancy cable for uninterrupted memory protection.

Q3: Which controller is supported?
A3: It is designed specifically for the Honeywell Series 8 C300 controller.

Q4: How long does the battery last?
A4: The module continuously charges its battery to ensure long-term retention, typically several years depending on usage.