MPU Transformer 1751-147 | Woodward Control System Module

Woodward 1751-147 MPU Transformer Module – Product Description

Overview
The Woodward 1751-147 MPU Transformer Module supports accurate speed sensing for turbines and large engines. It conditions magnetic pickup signals so that digital controllers receive clean and reliable data. Moreover, the module protects the control system from electrical noise and transient disturbances, ensuring dependable performance in demanding industrial environments. Its compact design fits easily into Woodward control racks and integrates seamlessly with overspeed, synchronization, and speed-governing applications.

Functional Highlights
This module processes frequency inputs from magnetic pickup sensors that monitor rotating shafts or gear teeth. In addition, its multi-channel design enables operators to connect several sensors for redundancy or multi-point speed monitoring. The transformer isolation improves system safety while reducing interference, which helps maintain consistent speed measurement during critical operating cycles. Therefore, the 1751-147 becomes a valuable component in applications requiring high integrity and durable signal conditioning.

Technical Specifications

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Attribute — Specification
Model Number — 1751-147
Type — MPU Transformer Module
Manufacturer — Woodward
Function — Conditions magnetic pickup sensor signals for control systems
Number of Channels — 4
Signal Type — Frequency signals from MPU sensors
Isolation — Electrical isolation between sensors and electronics
Input Voltage Range — Typically 1–30 Vrms
Output — Conditioned signal compatible with Woodward controllers
Operating Temperature — –20 °C to +60 °C
Storage Temperature — –40 °C to +85 °C
Dimensions — 120 × 25 × 90 mm
Weight —0.5 kg
Mounting — Rack/module style
Country of Origin — USA

FAQ

Q1: What type of sensors work with the 1751-147 module?
It works with standard magnetic pickup sensors that generate frequency signals from rotating shafts.

Q2: Can this module support redundant MPU configurations?
Yes. Its four channels allow multi-sensor setups for reliability and precise speed monitoring.

Q3: Does the module require external conditioning hardware?
No. It provides isolation and signal conditioning directly within the module.

Q4: Is the 1751-147 compatible with legacy Woodward controllers?
It supports many MicroNet, 505, and other Woodward platforms, although system checks are recommended.

Q5: Can it operate in high-vibration environments such as diesel engines?
Yes. Its industrial-grade construction withstands vibration, temperature swings, and electrical noise.