Woodward 1751-147 MPU Isolation Transformer Module

Product Description

The Woodward 1751‑147 is a high-precision MPU (Magnetic Pickup Unit) Isolation Transformer Module designed to protect turbine and engine monitoring systems. It safely conditions high-voltage signals from magnetic pickup speed probes, providing galvanic isolation and voltage step-down for reliable integration with analog input modules. Moreover, the module’s four independent channels allow simultaneous monitoring of multiple sensors, ensuring precise turbine speed measurement even under industrial operating conditions. Its compact design makes it easy to integrate into existing monitoring systems without compromising performance or safety.

In addition, the 1751‑147 ensures signal integrity by preventing overvoltage damage, reducing interference, and enabling accurate data acquisition. Engineered for industrial-grade applications, this module maintains reliable operation in harsh environments, making it an essential component for power generation, turbine control, and engine monitoring systems.

Key Features

• Signal Protection: Prevents overvoltage damage to connected analog input modules.

• Galvanic Isolation: Eliminates electrical interference and ensures safe signal transmission.

• Multi-Channel Support: Four independent channels for monitoring multiple MPU sensors simultaneously.

• High Reliability: Designed for precise turbine and engine monitoring applications.

• Compact Design: Simplifies integration into existing monitoring and control systems.

Technical Specifications

• Transformer Ratio: 3:1 step-down

• Input Voltage Tolerance: Supports MPU signals exceeding ±60 V

• Output Voltage: Conditioned to safe levels compatible with ±60 V rated inputs

• Channels: 4 independent channels

• Isolation: Galvanic isolation between MPU sensors and monitoring equipment

• Compatibility: Works with high-frequency magnetic pickup speed probes

• Weight: 0.6 kg

• Operating Environment: Industrial-grade, suitable for harsh conditions

Typical Applications

• Turbine speed monitoring and protection systems

• Engine RPM measurement using magnetic pickup probes

• Industrial monitoring systems requiring high-voltage signal isolation

• Power generation and process control applications

FAQ

Q1: Can the 1751‑147 handle multiple MPU sensors simultaneously?
Yes, it features four independent channels, allowing simultaneous monitoring of multiple sensors.

Q2: Does this module provide electrical isolation?
Absolutely. The module provides galvanic isolation to protect analog input equipment.

Q3: Is it suitable for harsh industrial environments?
Yes, the 1751‑147 is designed for industrial-grade applications and extreme operating conditions.

Q4: What input voltages can the module tolerate?
It safely handles MPU signals exceeding ±60 V without affecting monitoring accuracy.