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Honeywell FC-PDB-0824 Experion PKS Power Distribution Board

Configured for multi-channel DC voltage branch isolation in Experion PKS and C300 architectures, the Honeywell FC-PDB-0824 (FC-PDB-0824 8-Channel Power Distribution Board) provides direct physical/electrical execution. The assembly splits a main 24 VDC supply rail into eight independently fused branch outputs to power field transmitters, switches, and remote I/O devices. Each channel incorporates individual fuse protection to isolate short-circuit conditions to a single loop, maintaining continuous power distribution across adjacent operating channels.

Hardware Specifications

Parameter Specification
Model FC-PDB-0824
Brand Honeywell
Origin USA
Weight 200g
Dimensions 94 mm x 109 mm x 71 mm
Operating Temp 0 deg C to +60 deg C (32 deg F to 140 deg F)
Power Consumption Passive distribution board (Losses determined by fuse resistance)
Input Voltage Range 18 VDC to 30 VDC (24 VDC nominal)
Output Channels 8 independently fused outputs
Protection Rating Max 2 AT (Slow-acting, 5 x 20 mm) per channel
Input Connector 2-pole header (Weidmuller BVZ 7.62/02F SW)
Field Connector 2-pole socket block (Weidmuller BL 5.08/2 SN OR)
Mounting Format DIN EN Rails TS32 / TS35 x 7.5 (95 mm rail length)
Certifications CE (UL, TUV, CSA Pending)

Channel-to-Channel Isolation and HART Loop Bus Connectivity

The board layout provides clean DC voltage routing to field loops, preventing ground loop formation and common-mode voltage propagation across adjacent channels. By maintaining stable DC bus lines and low signal attenuation, the board supports overlay digital communications on field wiring, ensuring full compatibility with 4-20 mA HART loop protocol instruments and associated Experion PKS DCS carrier interfaces.

Frequently Asked Questions

Q: What specific fuse type and physical size does the FC-PDB-0824 accept?

A: The board accepts 5 x 20 mm slow-acting fuses rated up to a maximum of 2 AT per individual output channel.

Q: Can the input connector accept reversed polarity power connections?

A: The input Weidmuller BVZ header features mechanical keying (KO BV/SV7.62) to physically prevent misaligned insertion or reverse-polarity wiring.

Q: Does replacing a blown channel fuse require powering down the entire input supply bus?

A: No. Because each output circuit operates through an independent fuse holder, technicians can pull and replace a blown fuse for a specific channel without interrupting the main 24 VDC bus powering the remaining seven channels.

Field Installation Guidelines

Snap the board onto standard TS32 or TS35 x 7.5 DIN rail sections, allowing a minimum rail length of 95 mm. Secure all input power conductors to the 2-pole Weidmuller header, verifying that the mechanical keying tabs align correctly before applying torque. Connect field loop cabling to the 2-pole output socket blocks, keeping power supply cables routed separately from sensitive analog signal cables to eliminate inductive noise coupling. Ensure cabinet airflow maintains local ambient temperatures between 0 deg C and +60 deg C.

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