Specifications

• Manufacturer: Westinghouse (Emerson)

• Model: 3D04153G04

• Type: WDPF 25MB Disk & Floppy Drive Assembly

• Integrated Drives:

  • HDD: 25MB (Seagate ST225)

  • FDD: 5.25‑inch

• Voltage: Universal/Industrial (115/230VAC auto‑select)

• Compatible System: WDPF DCS (not Ovation/DeltaV)

• Mounting: Standard WDPF rack slot

• Status: Discontinued (EOL); refurbished/used only

Key Features

1. Universal Voltage: Auto‑senses 115VAC or 230VAC for global industrial use.

2. Integrated Storage: Combines 25MB HDD + 5.25″ floppy in one assembly.

3. Boot & Mass Storage: Primary boot media and storage for WDPF OS, control programs, and history.

4. Backup/Restore: Floppy drive supports offline config/data backup.

5. Rack‑Mount: Fits standard WDPF racks, connects to backplane for power/data.

Applications

• WDPF DCS Controller Stations (thermal/nuclear power, petrochemical, heavy industry).

• Legacy System Maintenance: Replacement for failed disk/floppy assemblies in aging WDPF.

Related Parts (WDPF Series)

• 3D04153G01: 115VAC version

• 3D04153G02: 230VAC version

• 3D04153G03: 100VAC (Japan) version

• 3D04141G01/G02: Dual redundant power supplies

Notes

• Exclusive to WDPF DCS; incompatible with Ovation/DeltaV.

• Standard repair lead time: 2–4 weeks; rush repair available.

• Installation per Emerson/Westinghouse WDPF specs and site safety procedures.