Honeywell FC-PDB-IO05 Power Distribution Board

The Honeywell FC-PDB-IO05 is an industrial-grade Power Distribution Board (PDB) designed for use within Honeywell’s Safety Manager and Experion PKS control systems. This board plays a pivotal role in ensuring the reliable delivery of 24V DC power to various I/O modules, guaranteeing system stability and performance in high-integrity safety environments.

Built to rigorous standards, the FC-PDB-IO05 ensures safe, segmented, and fused power distribution for critical field devices and system electronics. It supports selective circuit protection, diagnostic feedback, and is designed to minimize voltage drops, heat buildup, and overload risks. The board is especially useful in systems requiring high availability, such as Emergency Shutdown (ESD), Fire & Gas (F&G), and Burner Management Systems (BMS).

The robust and modular design of the FC-PDB-IO05 supports ease of installation, serviceability, and expansion. Its architecture integrates seamlessly with Honeywell’s I/O modules and complies with global electrical and safety standards.

Product Specifications

Product Applications

The Honeywell FC-PDB-IO05 is widely applied in industrial control environments that demand reliable and isolated power supply to multiple I/O modules. Its core application areas include:

• Safety Instrumented Systems (SIS): Provides fused and segmented power distribution to input/output modules in SIL-rated safety loops.

• Fire and Gas Detection Systems: Ensures consistent and safe power supply to detection and suppression components.

• Emergency Shutdown Systems: Supports power redundancy and fault isolation in critical shutdown logic circuits.

• Burner Management Systems (BMS): Supplies regulated power to flame sensors, actuators, and control circuits in furnace and boiler control.

• Refinery and Chemical Plants: Offers reliable power segmentation in environments with high electromagnetic and thermal stress.

• Process Automation Infrastructure: Enhances the electrical architecture of DCS and PLC cabinets by ensuring safe current distribution.

Product Advantages

• Reliable Power Segmentation

  FC-PDB-IO05 allows isolated and fused power channels, improving electrical safety and minimizing system-wide power disturbances.

• Simplified Diagnostics

  Built-in LED indicators for each circuit provide immediate visual feedback on power status and fuse conditions.

• Efficient Cabinet Design

  Compact DIN-rail mountable design saves valuable panel space and supports organized wiring.

• Protection & Safety

  Each output is protected by resettable fuses, limiting current and protecting downstream I/O from overload and short-circuits.

• System Integration

  Natively designed to integrate with Honeywell’s I/O modules, improving compatibility, minimizing wiring errors, and accelerating system engineering.

• Environmental Ruggedness

  Operates reliably in extreme industrial environments, including high humidity, vibration, and temperature variations.

• Maintenance Friendly

  Easy access to fuses and wiring, along with clear fault indicators, reduces maintenance time and improves uptime.

• Global Certification Ready

  Meets essential safety and EMC compliance for international installations.

FAQ

1. How many output circuits are available on the FC-PDB-IO05?

   The module provides 5 independent fused 24V DC output circuits.

2. Are the output circuits isolated from each other?

   Yes, the outputs are galvanically isolated and individually protected.

3. Can the output circuits support redundant power supplies?

   Yes, the PDB supports redundancy when used with dual power inputs via appropriate wiring schemes.

4. What kind of fuses does the FC-PDB-IO05 use?

   It uses resettable fuses with visual fault indication via status LEDs.

5. Does the board provide power loss detection?

   Yes, power loss or fuse failure is indicated by the respective circuit LED turning off or changing state.

6. Can the board be used in ATEX-certified installations?

   Yes, provided it is mounted inside a certified enclosure that meets ATEX/IECEx requirements.

7. Is this PDB compatible with all Honeywell I/O modules?

   It is specifically designed for Honeywell Safety Manager and Experion PKS I/O systems.

8. Does the board support monitoring through the system controller?

   No direct digital communication is provided; diagnostics are visual only.

9. What is the maximum total current supported?

   The board can support up to 10 A per input segment, with appropriate output balancing.

10. Is hot-swapping allowed for replacing the board or fuses?

    No, system power must be turned off before replacing the board or accessing fuses.