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The Honeywell FC-BKM-001 is a dual-function utility module designed for Honeywell Safety Manager and Fail Safe Control (FSC) architectures. It provides both battery-backed memory support for SRAM retention and a physical key-switch interface for secure system mode control. This ensures protection of safety-critical application data while enforcing hardware-level operational authorization for system states such as Run, Program, and Force. The module is supplied in 100% brand new original condition to maintain data integrity and operational security within safety instrumented systems.
| Item | Specification |
|---|---|
| Model Number | FC-BKM-001 |
| Function | Battery Backup & System Mode Key Switch |
| 24V Supply Voltage | 24V DC (-15% to +30%) |
| 24V Supply Current | Max 20 mA (typical 7 mA) |
| 5V Supply Voltage | 5V DC ±10% |
| Output Supply Voltage | 14V DC to 31V DC |
| Operating Temperature | -5°C to +70°C |
| Dimensions | 176 mm × 35.2 mm × 212 mm |
| Weight | 0.5 kg |
| Condition | 100% Brand New Original |
Ensures SRAM data retention during power loss, preserving application logic, configuration parameters, and diagnostic records for rapid system recovery after restart.
Provides hardware-based mode selection via key switch, preventing unauthorized or remote changes to critical system states and supporting compliance with safety integrity requirements.
Designed with short-circuit protection to prevent damage from wiring faults or accidental grounding, safeguarding both the module and connected backplane circuitry.
Operates reliably in harsh environments up to +70°C with wide voltage tolerance, ensuring stable performance under fluctuating industrial power conditions.
Typically every 2–3 years as part of preventive maintenance to ensure reliable memory retention during power loss events.
Common modes include Run, Program, and Force, depending on system configuration and Safety Manager software settings.
Yes, it can be used in both redundant and non-redundant Safety Manager configurations as a utility and security module.
All units are supplied as 100% brand new original Honeywell stock with factory-sealed packaging, original serial numbers, and full OEM documentation for traceability and compliance.