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Product Overview
The Honeywell FC-BKM-001 is a combined Battery and Key Switch Module designed for Honeywell’s Safety Manager and Experion systems. This module integrates both backup battery functionality and secure manual control switching into a single compact unit. It ensures uninterrupted operation during power failures and allows authorized users to safely transition between operational modes via a keyed switch mechanism. Its robust design, redundancy support, and system diagnostic features make it ideal for critical safety applications in industrial environments.
Key Features
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Integrated battery backup and key switch in one module
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Provides temporary power during outages to preserve system state
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Key switch enables secure control mode transitions
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Status LEDs for battery condition and switch position
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Compact and DIN-rail mountable design
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Supports hot-plug capability and system diagnostics
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Used in Safety Instrumented Systems (SIS)
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Battery and Key Switch Module |
| Model Number | FC-BKM-001 |
| Manufacturer | Honeywell |
| Functionality | Battery backup & manual key switch |
| Battery Type | Sealed rechargeable NiMH battery |
| Battery Voltage | 24 VDC nominal |
| Backup Duration | Sufficient to support controlled system shutdown |
| Key Switch Function | Mode change (e.g., RUN / STOP / MAINTENANCE) |
| Diagnostic Features | Battery status, key position status |
| LED Indicators | Battery health, switch state |
| Mounting Method | DIN rail |
| Hot-Pluggable | Yes |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -20°C to +70°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Dimensions | 120 x 80 x 50 mm |
| Weight | 0.45 kg |
| Certifications | CE, UL, CSA, ATEX, IEC 61508, SIL compliant |
Industry Applications
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Safety Instrumented Systems (SIS)
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Emergency Shutdown Systems (ESD)
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Distributed Control Systems (DCS)
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Fire & Gas Safety Systems
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Oil & Gas Processing Facilities
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Chemical and Petrochemical Plants
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Power Generation Units
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Pharmaceutical Manufacturing
Product Advantages
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Dual Functionality: Combines power backup and secure mode control
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Enhanced Safety: Prevents unauthorized system mode changes
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Battery Monitoring: Built-in diagnostics ensure backup readiness
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Reliable Operation: Supports controlled shutdown during power loss
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Seamless Integration: Fully compatible with Honeywell safety platforms
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Compact Form Factor: Saves space and simplifies system layout
Frequently Asked Questions (FAQ)
1. What is the purpose of the FC-BKM-001 module?
It provides backup battery power and secure key switch control for safety systems.
2. What battery type does it use?
It uses a sealed rechargeable NiMH battery.
3. How long can the battery support the system?
It can support temporary operation or shutdown procedures during a power loss.
4. Is the key switch tamper-proof?
Yes, it requires a physical key, preventing unauthorized operation.
5. Can the module be hot-plugged?
Yes, it supports hot-plugging for maintenance or replacement.
6. What does the key switch control?
It allows switching between system operational modes such as RUN, STOP, or MAINTENANCE.
7. Does it provide diagnostic information?
Yes, it has LED indicators and system-level diagnostics for battery and switch status.
8. Is the module DIN-rail mountable?
Yes, it supports standard DIN rail installation.
9. What certifications does it meet?
It complies with CE, UL, CSA, ATEX, and SIL requirements under IEC 61508.
10. Is it compatible with Honeywell Safety Manager systems?
Yes, it is designed for full integration with Honeywell’s Safety Manager platform.
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