2. General Description

3. Key Features

• Precision Actuator Drive: Converts governor signals to hydraulic solenoid drive currents

• Dual Solenoid Outputs: For proportional or on‑off hydraulic valves

• High‑Resolution Analog Control: 16‑bit DAC for accurate valve positioning

• 2500 V Galvanic Isolation: Protects against EMI/RFI and ground loops

• Extended Temperature Range: −40 °C to +85 °C (operating)

• Military‑Grade Ruggedness: Withstands shock/vibration up to 15G

• Hot‑Swap Capability: Replace module online without system shutdown

• Comprehensive Diagnostics: LED status indicators + non‑volatile fault logging

• Short‑Circuit & Overload Protection: On all drive channels

4. Technical Specifications

• Model: 5415-852

• Manufacturer: Woodward (USA)

• Compatible Governors: 505, 505E, 505XT

• Input Signals: 4–20 mA / 1–5 Vdc (from governor)

• Outputs: Dual solenoid drivers (proportional/on‑off)

• Communication: Modbus TCP/IP, PROFIBUS DP (for diagnostics)

• Power Supply: 24 Vdc ±10% (18–32 Vdc range)

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

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

• Dimensions (W×H×D): 120 × 80 × 35 mm

• Weight: Approx. 0.8 kg

• Mounting: Standard 19” rack or panel mount

• Certifications: CE, RoHS, MIL‑STD‑810G

5. Applications

• Power Generation: Steam/gas turbine main steam valve control, speed/load regulation, overspeed protection

• Oil & Gas: Compressor drives, pipeline pumping stations, gas turbine generators

• Industrial Turbines: Combined‑cycle plants, CHP systems, mechanical drive applications

• Retrofit Projects: Upgrading legacy turbine control systems with modern digital governors

6. Ordering Information

• Part Number: 5415-852

• Description: Woodward 5415-852 Turbine I/H Converter & Solenoid Drive Module