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5415-851

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5415-851
May 18, 2026

5415-851

The Woodward 5415-851 is a high‑performance, rack‑mounted I/O and control module designed exclusively for use with Woodward 505 / 505E / 505XT digital turbine governors. It serves as the primary signal conditioning, data acquisition, and actuator interface unit between the governor and field devices (sensors, transmitters, solenoids, and actuators) in steam/gas turbine and reciprocating engine control systems.

Description

5415-851.jpg

The Woodward 5415-851 is a high‑performance, rack‑mounted I/O and control module designed exclusively for use with Woodward 505 / 505E / 505XT digital turbine governors. It serves as the primary signal conditioning, data acquisition, and actuator interface unit between the governor and field devices (sensors, transmitters, solenoids, and actuators) in steam/gas turbine and reciprocating engine control systems.

2. General Description

The 5415-851 integrates 16 high‑resolution analog inputs, 32 digital I/O channels, isolated communication ports, and built‑in diagnostics into a compact, industrial‑grade package. It converts raw field signals into calibrated data for the governor and translates governor commands into drive signals for hydraulic or electric actuators. The module supports hot‑swap replacement and redundant system configurations to maximize uptime in critical power and oil & gas applications.

3. Key Features

  • 16 Analog Inputs: 4–20 mA / 1–5 Vdc, 16‑bit resolution, galvanically isolated

  • 32 Digital I/O Channels: 24 Vdc, sink/source selectable, short‑circuit protected

  • Dual Redundant Communication: Modbus TCP/IP and PROFIBUS DP for DCS/PLC integration

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

  • Military‑Grade Ruggedness: Withstands shock/vibration up to 15G (MIL‑STD‑810G)

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

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

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

  • Short‑Circuit & Overload Protection: On all I/O channels

4. Technical Specifications

  • Model: 5415-851

  • Manufacturer: Woodward (USA)

  • Compatible Governors: 505, 505E, 505XT

  • Analog Inputs: 16 ch (4–20 mA / 1–5 Vdc), 16‑bit ADC

  • Digital I/O: 32 ch (24 Vdc, sink/source)

  • Communication: Modbus TCP/IP, PROFIBUS DP

  • 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): 160 × 100 × 45 mm

  • Weight: Approx. 1.0 kg

  • Mounting: Standard 19” rack or panel mount

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

5. Applications

The 5415-851 is used as the core I/O module for Woodward governor systems in:

  • Power Generation: Steam/gas turbine speed/load control, overspeed protection, grid‑connected or island operation

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

  • Industrial Turbines: Combined‑cycle plants, CHP (combined heat and power) systems, mechanical drive applications

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

6. Ordering Information

  • Part Number: 5415-851

  • Description: Woodward 5415-851 Turbine Control I/O Module


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