The Honeywell FC-PDB-0824 is an 8-channel, 24 Vdc Power Distribution Board designed for process control and safety applications within the Honeywell Safety Manager architecture. The board provides fused DC power distribution from dual 24 Vdc supply buses to field termination assemblies (FTAs), modules, or internal cabinet loads. It features dual power input capability for redundant supply configurations, board-level status monitoring via an integrated alarm contact, and field-replaceable channel fuses with blown-fuse LED indicators.
Operating within the Safety Manager power distribution network, the FC-PDB-0824 ensures continuous, reliable DC voltage routing while maintaining circuit isolation and fault detection across system components.
Features
Dual 24 Vdc Inputs: Supports redundant primary DC supply feeds with diode isolation.
8 Fused Output Channels: Distributes 24 Vdc power across eight individually fused branch circuits.
Visual Status Indication: Individual channel LED indicators light up upon fuse failure for fast diagnostic evaluation.
Integrated Alarm Contact: Form-C dry contact output triggers system-level alarms during power loss or blown fuse conditions.
Conformal Coating: Applied to protect internal electronic circuitry against harsh environmental conditions and airborne contaminants.
DIN Rail Mounting: Compact form factor designed for standard DIN rail installation within Safety Manager cabinets.
Applications
Safety Instrumented Systems (SIS)
Emergency Shutdown (ESD) Systems
Fire and Gas (F&G) Detection Networks
Power distribution for Field Termination Assemblies (FTAs)
Auxiliary cabinet load power routing in Experion PKS / Safety Manager environments
Technical Specifications
Parameter
Specification
Manufacturer
Honeywell
Model
FC-PDB-0824
Product Type
Power Distribution Board
Nominal Input Voltage
24 Vdc
Input Voltage Range
18 Vdc to 31.2 Vdc (+30% / -15%)
Number of Channels
8 channels
Maximum Current per Channel
2 A
Total Board Current Rating
16 A max
Input Redundancy
Dual input (A / B)
Operating Temperature
-5 degC to +70 degC (+23 degF to +158 degF)
Storage Temperature
-40 degC to +85 degC (-40 degF to +185 degF)
Relative Humidity
5% to 95% (non-condensing)
Coating
Conformal Coated (FC Prefix)
Installation Guidelines
Cabinet Mount: Securely latch the module onto the enclosure's standard DIN rail.
Power Cabling: Ensure 24 Vdc power feed lines match system gauge specifications and polarity assignments prior to energization.
Grounding: Connect the cabinet safety earth bar directly to the system grounding point to maintain EMC integrity.
Fuse Replacement: Always replace blown fuses with identical rated slow-blow or fast-acting fuses according to the specific branch load configuration.
Cooling: Maintain unobstructed vertical air gap spacing above and below the board assembly to support adequate convective heat dissipation.
Compliance and Certifications
Safety Instrumented Systems: Compliant with IEC 61508 / IEC 61511 (Up to SIL 3 applications)
Electrical Safety: IEC 61010-1, UL 508
Hazardous Locations: FM Class I, Division 2, Groups A, B, C, D
Electromagnetic Compatibility: IEC 61000-6-2
FAQ
What is the Honeywell FC-PDB-0824 used for?
The Honeywell FC-PDB-0824 is an 8-channel, 24 Vdc power distribution board used to route fused power feeds to modules and Field Termination Assemblies in Honeywell Safety Manager systems.
What system does the FC-PDB-0824 module belong to?
The FC-PDB-0824 belongs to the Honeywell Safety Manager system and integrates with its 24 Vdc power distribution architecture.
What voltage range does the Honeywell FC-PDB-0824 support?
The board operates on a nominal 24 Vdc supply with an acceptable voltage range of 18 Vdc to 31.2 Vdc.
How many channels does the FC-PDB-0824 board provide?
The FC-PDB-0824 board provides 8 individually fused 24 Vdc distribution output channels.
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