TC-FPDXX2 Honeywell Uncoated Series-A Power Supply

Overview

The Honeywell TC-FPDXX2 97285371-B01, also cataloged as the TC-FPDXX2 Series-A Power Supply Module, supplies regulated DC power to the backplane of Honeywell Experion PKS Series-A I/O chassis. It accepts a 19.2-32 VDC input and distributes power across four backplane voltage rails: 1.2 VDC, 3.3 VDC, 5.1 VDC, and 24 VDC. The module mounts on the left side of the chassis without occupying a standard module slot and provides a maximum combined output of 70 W at 60 deg C.

Hardware Specifications

Series-A Backplane Power Distribution

The TC-FPDXX2 distributes DC power to the chassis backplane for connected controllers, communication modules, and I/O modules. Its four output rails have separate maximum current ratings. The combined output must remain within the specified 70 W maximum at 60 deg C; individual rail current limits do not represent additional power available beyond that total.

The module uses a soldered, non-replaceable fuse. Therefore, fuse replacement is not a field-service operation. Before installation or replacement, verify the input voltage, chassis compatibility, backplane load, and wiring requirements against the applicable Honeywell documentation.

Frequently Asked Questions (FAQ)

Q: What input voltage does the TC-FPDXX2 require?

A: The specified input range is 19.2-32 VDC. The maximum input power is 100 W, and the maximum inrush current is 30 A.

Q: What backplane output voltages and current limits does the module provide?

A: The specified outputs are 1.2 VDC at up to 1.5 A, 3.3 VDC at up to 4 A, 5.1 VDC at up to 10 A, and 24 VDC at up to 2.8 A. The maximum combined output power is 70 W at 60 deg C.

Q: Can the internal fuse be replaced in the field?

A: No. The fuse is soldered in place and is specified as non-replaceable. Follow Honeywell maintenance procedures when investigating a suspected power supply fault.

Field Installation Guidelines

1. Verify compatibility: Confirm that the TC-FPDXX2 is approved for the specific Honeywell Series-A chassis and system configuration.
2. Isolate power: Disconnect the DC supply and follow the site’s lockout/tagout procedures before installation or removal.
3. Check mounting position: Install the module on the left side of the chassis as specified. It does not occupy a standard module slot.
4. Verify input wiring: Confirm polarity, terminal assignments, conductor sizing, and supply capacity using the applicable manufacturer documentation.
5. Check the load: Calculate the expected current on each backplane voltage rail. Ensure that individual rail limits and the 70 W combined output rating are not exceeded.
6. Inspect connections: Check wiring terminations and connectors for damage, loose connections, or contamination before energizing the chassis.
7. Verify operation: After installation, check the power supply status and confirm that the chassis and installed modules operate within their specified electrical limits.
8. Handle fuse faults correctly: Do not attempt to replace the soldered fuse. Follow the manufacturer’s troubleshooting and replacement procedures.

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