2. General Description

• Type: 505‑series digital controller I/O module

• Processor: High‑speed microprocessor with integrated PID algorithms

• Communication: RS‑485 (Modbus RTU) + NetCon® serial

• I/O Mix: Analog in/out + digital in/out (configurable)

• Enclosure: Rugged industrial metal housing, IP30 rated

• Mounting: DIN‑rail or panel‑mount

• Status: Active (current production)

3. Key Features

• 505 Governor Native Compatibility – Direct plug‑and‑play with 505/505E/505XT

• High‑Precision I/O – 0.1% resolution, ±0.5% accuracy

• Fast Response – ≤1 ms control loop update

• PID Control – Embedded proportional‑integral‑derivative for tight regulation

• RS‑485 Modbus – Multi‑drop communication to HMI/SCADA

• NetCon® Serial – Link to Woodward 5416 cables and I/H converters

• Wide Temp Range – −40 °C to +85 °C

• Industrial Grade – Withstands EMI, vibration, and harsh environments

• CE/UL/RoHS – Global compliance certifications

4. Technical Specifications

• Part Number: 5417-173

• Manufacturer: Woodward (USA)

• Function: Turbine governor I/O & control module

• Power Supply: 24 Vdc ±10%, 5 W typical

• Analog Inputs: 4–20 mA or 0–10 Vdc (field‑selectable)

• Analog Outputs: 4–20 mA (isolated)

• Digital Inputs: 24 Vdc sink/source

• Digital Outputs: Relay or solid‑state (24 Vdc)

• Communication: RS‑485 (Modbus RTU), NetCon® serial

• Control Algorithm: PID (gain, reset, compensation adjustable)

• Resolution: 0.1%

• Accuracy: ±0.5% full scale

• Response Time: ≤1 ms

• Operating Temperature: −40 °C to +85 °C

• Dimensions: 100 × 60 × 30 mm (W×H×D)

• Weight: Approx. 0.2 kg (0.44 lbs)

• Certifications: CE, UL, RoHS

5. Applications

• Steam/Gas Turbine Control – I/O expansion for 505‑series governors

• Electro‑Hydraulic (I/H) Interface – Connects 505 to 5415‑series converters

• Power Generation – Utility and industrial turbine speed/load control

• Oil & Gas – Compressor and turbine skid control

• Engine Control – Reciprocating engine governor I/O and expansion

6. Ordering Information

• Part Number: 5417-173

• Description: Woodward 5417-173 Digital Microprocessor Controller, I/O Module for 505 Turbine Governor, 24 Vdc, RS‑485/NetCon, −40 °C to +85 °C