1. Product Overview

• Part Number: 5437-079

• Manufacturer: Woodward, USA

• Product Type: 505 Series NetCon Duplex Field Terminal Module

• Matching System: Woodward 505 / 505E / 505H Turbine Governor & NetCon I/O System

• Function: Field wiring termination & signal conditioning for duplex I/O; provides 37‑pin high‑density interface between 505 CPU (5437‑076) and field sensors/actuators; ensures reliable, noise‑immune signal transmission in turbine control systems.

2. General Specifications

• Supply Voltage: 24 VDC ±10% (from 5437‑077 power supply)

• Termination: 37‑pin D‑sub + screw terminals (duplex)

• Mounting: DIN rail / panel mount

• Protection Class: IP20

• Operating Temperature: -40 ℃ to +70 ℃

• Storage Temperature: -45 ℃ to +85 ℃

• Humidity: 5%–95% RH, non‑condensing

• Vibration: 10–150 Hz, 2G continuous

• Weight: Approx. 0.24 kg

• Certifications: CE, UL, Class 1 Div 2

• Warranty: 12 months

3. Electrical Parameters

• Isolation: 1500 VDC field‑side isolation

• Signal Compatibility:

  • Digital: 24 VDC sink/source, 500 mA max per channel

  • Analog: 4–20 mA / 0–10 VDC, 12‑bit resolution

• Common‑Mode Rejection: ≥60 dB @ 50/60 Hz

• Surge Protection: TVS diodes on all field lines

• Backplane Interface: High‑speed serial link to 505 CPU

4. Key Features

• Duplex (redundant) field termination for critical I/O signals

• 37‑pin high‑density connector + screw terminals for easy field wiring

• Built‑in signal conditioning, filtering, and surge protection

• Full electrical isolation between controller and field wiring

• Compact, rugged design for harsh industrial environments

• Seamless integration with 505 CPU (5437‑076) and power supply (5437‑077)

• Supports redundant I/O architectures for maximum system reliability

5. Typical Applications

• Field wiring interface for Woodward 505 turbine governor systems

• Redundant termination for critical speed, pressure, and temperature sensors

• Isolated connection for hydraulic/electric actuator control signals

• I/O signal conditioning in power plant and petrochemical turbine control panels

• NetCon system expansion for large turbine‑compressor units