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The Honeywell FC-BN-1608 serves as a specialized Safe Namur Sensor Converter designed for the Safety Manager architecture. This module interfaces directly with NAMUR (EN 60947-5-6) proximity sensors and switches, converting their current-coded signals into logic-level data compatible with safety controllers. It manages 16 independent input channels, providing the necessary signal conditioning and fault detection required for high-integrity monitoring in hazardous and explosive atmospheres.
| Specification | Details |
|---|---|
| Model Number | FC-BN-1608 |
| Condition | 100% Brand New and Original |
| Input Channels | 16 Digital Inputs |
| Input Signal Range | 0—8 mA (NAMUR standard) |
| Input Resistance | 1 kΩ (±1% precision) |
| Maximum Input Current | 20 mA |
| Maximum Power Dissipation | 0.6 W |
| Weight | 0.02 kg |
| Compatibility | Honeywell Safety Manager / FSC Systems |
Precision Fault Diagnostics: The converter differentiates between "open circuit," "short circuit," and valid sensor states by monitoring specific current thresholds (0—8 mA), enabling immediate identification of field wiring failures.
Extreme Energy Efficiency: A maximum power dissipation of only 0.6 W across all 16 channels prevents heat buildup in high-density safety racks, extending the MTBF (Mean Time Between Failures) of the control system.
Ultra-Lightweight Integration: At only 0.02 kg, the converter minimizes mechanical load on the system backplane and facilitates rapid, tool-less replacement during scheduled maintenance.
NAMUR Compliance: Strict adherence to NAMUR signal standards ensures seamless interoperability with a wide range of third-party proximity sensors and limit switches used in critical safety loops.
Does this module support line monitoring?
Yes, the FC-BN-1608 utilizes NAMUR current levels to perform continuous line monitoring, providing the Safety Manager with real-time status updates regarding the integrity of the field cable.
Can I use this with standard 24V DC digital switches?
This module specifically targets NAMUR sensors. To interface standard 24V DC switches, you should utilize a standard digital input FTA or module rather than this current-sensing converter.
Is this a genuine Honeywell original part?
We supply the FC-BN-1608 in 100% brand new, original condition. Every unit arrives in factory-sealed packaging to ensure the highest reliability for safety-instrumented functions.
What is the significance of the 1 kΩ input resistance?
The precision 1 kΩ resistance ensures accurate current-to-voltage conversion within the module, maintaining the ±1% tolerance required for SIL-rated safety signal processing.