Product Description
Woodward 5501-372 is an analog input/output module for Woodward MicroNet / MicroNet Plus control platforms. It serves as signal interface between digital controller and field instruments. Signal ranges are software configurable for 4‑20 mA or 0‑5 VDC. It provides 500 Vrms galvanic isolation between field circuits and logic side, high‑precision A/D & D/A conversion and high‑speed parallel back‑plane bus communication. It is widely used for analog signal acquisition and actuator control output on gas turbine and steam turbine governor systems. This model is obsolete / EOL from original manufacturer; available units are surplus and used spare parts for legacy system maintenance.
Technical Specifications
| Item | Specifications |
|---|---|
| Model | 5501-372 |
| Type | Analog Input / Output Module |
| Compatible Platform | MicroNet, MicroNet Plus, MicroNet Simplex control system |
| Signal Range | Software selectable: 4‑20 mA / 0‑5 VDC |
| Analog Output Channels | 3 channels |
| ADC / DAC Resolution | 14‑16 bit |
| Isolation | 500 Vrms field‑to‑logic isolation |
| Power Supply | 24 VDC via backplane |
| Update Rate | Up to 5 ms, synchronized with CPU task cycle |
| Operating Temperature | -10℃ ~ +60℃ (rack ambient) |
| Interface | High‑speed parallel back‑plane bus, RS‑485 for diagnostics |
| Origin | USA |
| Status | Obsolete EOL, spare‑part supply only |
Product Applications
- Gas turbine and steam turbine governor systems, acquisition of process analog signals such as speed, pressure and temperature.
- Output regulating control signals to drive fuel valves and field actuators.
- Spare‑part replacement & maintenance for generator sets, CHP plants and industrial turbine MicroNet systems.
- Retrofit for legacy Woodward control systems in power, petrochemical industries.
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