Overview

The Honeywell FC-BKM-001 is a Battery and Key Switch Module designed for Honeywell’s MasterLogic-200 PLC and Experion PKS platforms. It plays a vital role in safety‑critical automation systems, providing both backup power and manual control functionality. The integrated battery ensures retention of volatile memory during power interruptions, while the key switch allows operators to securely select system states such as Run, Test, or Stop.

This dual functionality makes the FC-BKM-001 indispensable in industries where system availability, safety, and controlled access are paramount.

Technical Data

Typical Applications

• Safety‑critical control systems requiring backup power and manual state control.

• Petrochemical plants, refineries, and power generation facilities where SIL compliance is mandatory.

• Industrial automation projects needing secure operator access and system integrity.

• Emergency shutdown systems where memory retention and controlled restart are essential.

Key Benefits

• Backup Power: Maintains volatile memory during power loss.

• Secure Control: Key switch prevents unauthorized system state changes.

• System Integrity: Ensures safe transitions between Run, Test, and Stop modes.

• Industrial Durability: Designed for harsh environments with EMI suppression and reverse polarity protection.

FAQ

Q1: What is the primary function of the FC-BKM-001?

A1: It combines a backup battery with a key switch to manage system states and preserve data.

Q2: Which Honeywell systems are compatible?

A2: It works with MasterLogic-200 PLC, Experion PKS, and FSC (Fail‑Safe Controller) systems.

Q3: What industries typically use this module?

A3: Petrochemical, oil & gas, power generation, mining, and other high‑demand industrial sectors.

Q4: What happens during a power failure?

A4: The integrated battery maintains critical volatile memory, ensuring system recovery without data loss.

Q5: What are the key switch positions?

A5: Operators can select Run, Test, or Stop modes securely via the keyed switch.