5463-372 - 48-channel MicroNet Discrete Input Module

TECHNICAL SPECIFICATIONS:

Part Number: 5463-372
Manufacturer: Woodward
Series: MicroNet
Module Type: Discrete Input (DI)
Number of Channels: 48 Channels
Input Voltage Range: 18–32 VDC (24 VDC Nominal)
Input Threshold: 12 VDC (Typical)
Input Current: 4 mA @ 24 VDC (Per Channel)
Response Time: 1 ms (Hardware Filter)
Isolation: 500 Vdc
Operating Temp: -30 °C to +65 °C
Storage Temperature: -40 °C to +85 °C
Availability: In Stock
Origin: United States

FUNCTIONAL DESCRIPTION:

The 5463-372 is a high-density 48-Channel Discrete Input Module designed and manufactured for the Woodward MicroNet control system. It serves as the primary gateway for digital feedback, monitoring the status of field switches, relay contacts, and circuit breakers. By providing nearly 50 independent input points in a single slot, this module allows for extensive system monitoring while maximizing the available space within the MicroNet chassis.

HIGH-DENSITY DIGITAL MONITORING

With 48 independent channels, the Discrete Input Module is capable of handling a vast array of binary signals from the turbine or engine environment. Each channel is designed to interface with standard 24 VDC field logic, converting the presence or absence of voltage into a digital state for the MicroNet CPU. This high-density architecture is ideal for complex control sequences where multiple interlocks, alarms, and status indicators must be tracked simultaneously.

SIGNAL CONDITIONING AND TRANSIENT PROTECTION

To ensure reliable operation in harsh industrial settings, the module incorporates robust signal conditioning on every input path. It features 500 Vdc of galvanic isolation to protect the sensitive internal backplane from field-side electrical surges and ground loops. A hardware-based 1 ms filter is applied to each channel to eliminate contact bounce and suppress high-frequency noise, ensuring that only valid state changes are reported to the control logic.

DIAGNOSTIC FEEDBACK AND SYSTEM INTEGRITY

The Discrete Input Module is integrated with the MicroNet system's internal diagnostic bus. It continuously monitors its own hardware health and communication status with the main processor. If an internal fault is detected or if the module loses contact with the CPU, a system-level alarm is triggered. This level of self-scrutiny is essential for maintaining the high availability and safety standards required in prime mover control applications.

WHY BUY FROM WOC:

World of Controls supports the continuous uptime of your Woodward control assets by offering the 5463-372 in both UNUSED and REBUILT conditions. Every module is subjected to comprehensive loop testing on specialized MicroNet racks to verify the switching threshold and response time of all 48 channels. We maintain a large inventory of high-density I/O modules to support your needs during plant upgrades or emergency failures. With global shipping and 24/7 technical support, WOC is your dependable partner for mission-critical industrial hardware.

FREQUENTLY ASKED QUESTIONS:

What is the Woodward 5463-372?

The 5463-372 is a 48-channel Discrete Input Module for the MicroNet system. It monitors the on/off status of external devices like limit switches and pressure switches, providing digital feedback to the control processors.

How does the 1 ms filter benefit the discrete inputs?

In industrial environments, mechanical switches often experience contact bounce or electrical noise when they transition. The 1 ms filter ensures that these brief, rapid fluctuations are ignored, preventing the control system from registering false state changes.

Can the 5463-372 be used with input voltages other than 24 VDC?

The module is specifically optimized for a 24 VDC nominal range (18–32 VDC). Using voltages significantly outside this range may prevent the module from correctly detecting the input state or could potentially damage the input circuitry.

How do I troubleshoot a specific channel on the Discrete Input Module?

Channel status can typically be monitored through the MicroNet software interface. If a field device is triggered but the CPU does not see the change, you should check for the presence of at least 18 VDC at the module connector and verify the integrity of the field wiring and the 500 VDC isolation barrier.