Description
- The Woodward 5463-482 is a specialized Discrete Input/Output (I/O) module designed for the MicroNet and MicroNet TMR (Triple Modular Redundant) control systems. This module serves as a critical interface between the digital control logic of the MicroNet system and the physical switches, relays, and solenoids found on industrial turbines and large engines. It is engineered to provide high-speed signal processing and rugged isolation to protect the central processing units from field-side electrical noise.
Product Specifications
- Model Number: 5463-482
- Manufacturer: Woodward
- Module Type: Low Density Discrete I/O
- Input Channels: 24 Discrete Inputs (Contact Sensing)
- Output Channels: 8 Discrete Outputs (Relay Driver or Configurable)
- Input Voltage: 24 VDC Nominal (Internal or External Sourced)
- Isolation: 500 Vrms to system backplane
- Power Consumption: 7.5 Watts (Typical)
- Operating Temperature: -20°C to +70°C
- Dimensions: Standard MicroNet module slot width
- Weight: 1.2 kg (2.65 lbs)
- Country of Origin: USA
Application Fields
This I/O module is a staple in high-reliability control architectures used for:
- Turbine sequence control and auxiliary system monitoring.
- Emergency shutdown (ESD) systems where discrete signal integrity is paramount.
- Monitoring of field status switches (limit switches, pressure switches, temperature switches).
- Driving industrial interposing relays for motor starters and valve solenoids.
Usage Instructions
Installation of the Woodward 5463-482 should occur within a MicroNet chassis that has been powered down, though the module supports hot-replacement in redundant systems according to specific safety protocols. Slide the module into the designated I/O slot until the connectors seat firmly into the backplane. Tighten the captive screws to ensure electrical continuity and vibration resistance. Field wiring should be terminated at the corresponding FTM (Field Terminal Module) using shielded cables. Ensure that the 24 VDC contact sensing power is correctly polarized to avoid input signal errors.
Frequently Asked Questions (Q&A)
Q: Does this module require a separate Field Terminal Module (FTM)? A: Yes, like most MicroNet I/O, the 5463-482 connects to the field wiring via a high-density cable attached to a DIN-rail mounted FTM. This simplifies wiring and maintenance.
Q: How can I verify if an input channel is active? A: The MicroNet software diagnostic tools provide real-time status of each bit. Additionally, many MicroNet chassis configurations include status LEDs on the module faceplate to indicate the state of individual I/O points.
Q: Can this module be used in a TMR (Triple Modular Redundant) system? A: Yes, it is compatible with TMR architectures. In such setups, three modules work in parallel, and the system uses “voting” logic to ensure that a single module failure does not interrupt the control process.
Related Model Recommendations
- Woodward 5464-832 (MicroNet High Density I/O)
- Woodward 5466-316 (MicroNet Main CPU Module)
- Woodward 5463-041 (MicroNet Analog I/O)
- Woodward 5462-758 (MicroNet LinkNet I/O)
- Woodward 5501-502 (MicroNet TMR Power Supply)
