Woodward 5464-643
Product Name: MicroNet 48-Channel Discrete Input Module
Product Introduction: A high-density discrete input module for Woodward MicroNet 5000 series DCS, designed for collecting dry contact/relay signals from field sensors, switches, and interlocks. Provides galvanic isolation and fault detection for reliable data acquisition in turbine, engine, and power plant control systems.
Detailed content
Technical Specifications:
- Module Type: 48-channel isolated discrete input
- Input Signal: Dry contact, relay contact (NO/NC)
- Isolation Voltage: 500 VDC to ground, 1000 VDC to control common
- Input Voltage Range: 18–32 VDC (field-side sensing)
- Response Time: ≤ 5 ms per channel
- Operating Temperature: -40 °C to +85 °C
- Communication: MicroNet backplane bus
- Form Factor: 19-inch rack-mount, 3U height
- Weight: 0.9 kg
Functional Features:
- 48 independent, galvanically isolated input channels
- Accepts dry contact and relay signals from field devices
- Built-in open/short circuit fault detection per channel
- LED status indicators for each channel (on/off/fault)
- Hot-swappable for system maintenance without downtime
- Compatible with MicroNet redundant control architectures
- Software-configurable channel logic (NO/NC) via WorkBench
- High EMC immunity for harsh industrial electromagnetic environments
Application Scenarios:
- Steam/gas turbine safety interlock and emergency trip systems
- Large-bore diesel/gas engine monitoring and protection
- Power plant boiler/turbine auxiliary equipment logic control
- Oil and gas compressor unit interlock and alarm systems
- Marine power management system signal acquisition












