Detecting gear teeth
The included 1680-631 responds to changes in magnetic reluctance as each tooth on the monitored gear passes the pickup pole piece.
WOODWARDMAGNETIC PICKUP KIT · INDUSTRIAL TURBINE PRODUCTS
Woodward 5430-933 MPU Kit with 1680-631 Magnetic Pickup and Connector
5/8-18 thread · 4.5 in pickup · connector included
01
Product Overview
The Woodward 5430-933 is an MPU kit that combines the 1680-631 MPU-60 VPP magnetic pickup with its mating connector. It places the pickup and connector in one identified part number for the magnetic speed-sensing connection used by the monitored equipment.
Inside Woodward 5430-933, the included 1680-631 uses a variable-reluctance sensing element: movement of a magnetic gear changes the pickup signal as the teeth pass the pole piece. The connector carries that pickup signal into the receiving control wiring, so the sensor element and its mating connection form one electrical path.
At the installation point, Woodward 5430-933 is positioned radially toward the outside diameter of the monitored gear. The 0.625-18 (5/8-18) thread and 4.5 in pickup length establish the mechanical fit, while the 0.25–1.02 mm normal air gap and the 1.5 V AC RMS minimum signal at the lowest controlling speed define the sensing setup to verify before installation.
02
Technical Specifications
| Technical Item |
|
|---|---|
| Brand | Woodward |
| Product Type | MPU kit with magnetic pickup and connector |
| Kit Part Number | 5430-933 |
| Included MPU | 1680-631 |
| Pickup Description | MPU-60 VPP |
| Thread | 0.625-18 (5/8-18) |
| Thread Length | 4.5 in |
| DC Resistance | 250 ohms |
| Ratings | None listed |
| Compatible Connector | Included |
| Included MPU Sensing Principle | Variable-reluctance magnetic speed pickup |
| Included MPU Mounting | Radial to the outside diameter of the monitored gear |
| Included MPU Target Material | Magnetic material such as iron or steel |
| Included MPU Normal Air Gap | 0.25–1.02 mm (0.010–0.040 in) |
| Included MPU Minimum Signal | 1.5 V AC RMS at the lowest controlling speed |
| 5/8-18 Adjustment | 0.0555 in movement per 360° turn |
03
Product Functions — Speed Signal Detection
Woodward 5430-933 performs magnetic speed sensing by detecting the passage of a ferrous gear and delivering the resulting pickup signal through the supplied connector.
Generating the speed signal
The passing teeth induce an AC voltage in the magnetic pickup, with the signal changing as the monitored gear speed changes.
Sending the pickup output
The connector included with 5430-933 carries the pickup's AC signal into the receiving control circuit for speed-related processing.
04
Installation Highlights — Thread and Connector
Selecting Woodward 5430-933 requires the mechanical pickup dimensions and connector contents to be checked as one record.
Thread match
Confirm the equipment-side thread is 0.625-18 (5/8-18) before fitting the pickup.
Length clearance
Allow for the specified 4.5 in pickup length; a different length changes the mechanical fit even when the thread appears similar.
Connector check
Verify that the included mating connector is present and that the receiving wiring uses the intended connection before energizing the sensing circuit.
05
Frequently Asked Questions
How should the mounting thread be checked before fitting Woodward 5430-933?
Match the equipment-side thread to 0.625-18 (5/8-18) before installing Woodward 5430-933. The 4.5 in pickup length must also clear the available mechanical space; matching only the thread does not confirm the complete fit.
Does Woodward 5430-933 include the 1680-631 pickup or only its connector?
Woodward 5430-933 is listed as an MPU kit containing the 1680-631 MPU-60 VPP and a connector. A connector-only or sensor-only reference should not be treated as the same supplied kit.
Can the 1680-631 sensor-only reference be used as a direct substitute for Woodward 5430-933?
Do not treat 1680-631 and Woodward 5430-933 as identical order contents. The 5430-933 kit includes the pickup and connector, so the required mating connector and the complete part number must be checked before selecting a substitute.
What should be investigated if Woodward 5430-933 measures a resistance different from 250 ohms?
Check the pickup terminals, connector seating and wiring continuity before changing the part. The 250 ohm value is the catalogued DC resistance for the included 1680-631 pickup, not a permission to alter the wiring or connector arrangement.
Can a different pickup length be installed in place of Woodward 5430-933?
A different length should not be assumed interchangeable with Woodward 5430-933. Confirm the 0.625-18 thread, 4.5 in length, pickup reference and connector requirement together; a similar thread alone is not enough.
Is Woodward 5430-933 identified with a hazardous-area rating?
The catalog row for Woodward 5430-933 lists the ratings field as None. Do not assign a hazardous-area or other certification to this kit without a separate exact-part approval record.
06
Company Profile
MOORE AUTOMATION
https://www.mvme.cn/
Moore Automation records the complete manufacturer and model reference supplied with each enquiry so the requested Woodward part remains tied to the correct commercial record.
Exact model recordOriginal manufacturerQuantity confirmationOrder trace
07
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Contact Information
Send the complete model and requested quantity with your enquiry.
ManagerLeonia
Emailsales@mvme.cn
WhatsApp+86 180 3017 5807
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