Description
Key Technical Specifications
| Parameter | FTA-554 |
|---|---|
| Model | FTA-554 |
| Manufacturer | Compressor Controls Corporation |
| System | Series 5 Vanguard Controller |
| Product Type | Field terminal box / FTA |
| Primary Reference | DS5206 |
| Drawing Reference | 12572P1-1927T004 |
| Function | Field signal termination / interface |
| Associated System | Vanguard Controller, Series 5 |
| Related Cable | FTAC series |
| Application | Compressor control systems |
| Replacement Verification | Required against system drawing and installed hardware |
The strongest available equipment record explicitly identifies FTA-554 as a terminal box assembly for the CCC Series 5 Vanguard Controller, rather than as a standalone CPU, power module, or generic I/O card.
Product Introduction
The Compressor Controls Corporation FTA-554 is a field termination assembly used with the Series 5 Vanguard Controller architecture. Its documented reference is DS5206, with 12572P1-1927T004 also associated with the assembly.
For maintenance work, the important point is that the FTA-554 belongs to the field-wiring layer of the compressor control system. It should therefore be evaluated together with the installed I/O configuration, controller chassis, cable assembly, and a

FTA-554
Application Scenarios & Field Pitfalls — Engineer’s Perspective
Engineering Pain Point
Legacy compressor-control systems often remain in service long after their original hardware has become difficult to source. A field terminal assembly can look electrically simple while still being tightly dependent on the controller’s I/O assignment and cable pinout.
Typical Applications
- Series 5 Vanguard Controller installations — field termination associated with compressor-control equipment.
- Compressor package control cabinets — connection between controller-side wiring and field devices.
- Legacy maintenance projects — replacement of damaged terminal assemblies without redesigning the complete control cabinet.
- Turnaround spare management — keeping a verified FTA assembly available for an installed Series 5 system.
Technical Pitfalls to Avoid
- Do not identify the part from “FTA-554” alone.
Current online listings assign this number to different manufacturers and applications. The Series 5/Vanguard documentation provides a much stronger identification trail. - Verify the drawing before ordering.
The documented references are DS5206 and 12572P1-1927T004. Match those references against the cabinet drawing or equipment records whenever possible. - Check the mating cable and I/O configuration.
The Series 5 records separately identify FTAC cable assemblies, so replacing the terminal assembly without confirming the associated cable can create a wiring mismatch.
Related Products
- FTA-544 — another Series 5 Vanguard field terminal box; documented separately under drawing DS5205 / 12572P1-1927T003.
- FTAC-3 — 3 m special FTA cable assembly associated with the Series 5 Vanguard Controller.
- CM-1-335 — Series 5 process controller module documented under drawing DS5213.
- CPCI-10-D2 — Series 5 Vanguard chassis reference found in current equipment records.
- IOC-555-D — Series 5 controller I/O hardware reference; verify exact revision and system role before substitution.
- PSMU-350-3 — Series 5 power-supply hardware reference.
- FAN-10-2 — Vanguard Series 5 fan module reference.
Procurement Note
For an purchase, the safest identification package is:
+ manufacturer = Compressor Controls Corporation + Series 5 Vanguard + DS5206 + 12572P1-1927T004
Do not approve a replacement solely because a seller lists 17-550554-001 against . That same number appears in conflicting online records, including listings that describe the item as Triconex hardware.
For a critical compressor train, the cabinet drawing, nameplate/PCB marking, mating cable, and existing terminal layout should take precedence over a generic web listing.
