Product Description

Overview

The Honeywell FC-BKM-0001 is a precision Bus Key Module engineered for the Honeywell Safety Manager platform. It ensures robust communication and logical integrity across Safety Manager I/O backplanes. By providing both physical and electrical termination, the module prevents signal reflections and ensures reliable high-speed data transmission in safety-critical environments. Its design supports SIL 2 and SIL 3 rated systems, offering dependable operation in demanding industrial settings.

Technical Specifications

Power Supply

• 5 VDC ±10%

• 24 VDC -15% to +30%

Operating Conditions

• Temperature: -5°C to +70°C (23°F to 158°F)

• Storage Temperature: -40°C to +85°C (-40°F to 185°F)

• Relative Humidity: 10% to 95%, non-condensing

Electrical Characteristics

• Output Voltage: 14–31 VDC

• Output Resistance: Approx. 2 × 1.1 kΩ (parallel)

• Supply Current:

• 24 VDC: Max 20 mA per module, typical 7 mA shared load

• 5 VDC: Max 10 mA

• Short Circuit Protection: Continuous short-circuit proof

Mechanical Data

• Dimensions: 176 × 35.2 × 212 mm (HxWxD)

• Weight: 0.5 kg

• Mounting: Safety Manager / FSC I/O Backplane

Environmental Protection

• Industrial grade durability for EMI and harsh conditions

• Conformal G3 coating for chemical and corrosive environments

Core Features

• Bus Integrity: Provides precise impedance matching to maintain high-speed communication reliability

• Hot-Swappable Design: Allows insertion or removal without disrupting other modules

• Mechanical Keying: Ensures proper configuration of bus segments

• Diagnostic Support: Facilitates detection of bus continuity and termination errors

• SIL Certified: Suitable for SIL 2 and SIL 3 safety systems

Applications

• Emergency Shutdown (ESD) systems

• Fire & Gas (F&G) detection systems

• Burner Management Systems (BMS)

• Critical process control in petrochemical, power generation, and industrial plants

FAQ

Q: Can the FC-BKM-0001 be used in non-Safety Manager backplanes?
A: No, it is specifically designed for Honeywell Safety Manager and FSC I/O architectures.

Q: Is this module replaceable while the system is powered?
A: Yes, depending on rack configuration, it supports hot-swappable installation.

Q: What SIL level does this module support?
A: It supports both SIL 2 and SIL 3 safety-instrumented systems.

Similar Models Comparison:

• FC-BKM-0002: Offers additional diagnostic feedback for advanced bus monitoring

• FC-BKM-0003: Designed for extended temperature ranges and heavy EMI environments