WOODWARD 8440‑1849

Product Introduction

It is a supporting hardware for Woodward generator set speed governing system. It is applied for rotational speed signal acquisition and conditioning loop processing of diesel/gas generator sets. It matches the unit electronic speed control unit to complete pulse signal conversion and loop isolation, widely deployed in industrial generator sets and gas turbine control systems.

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Description

Technical Specifications

Operating voltage: 24VDC; Pulse input adapted to magnetic speed sensor; Operating temperature: ‑40℃~+85℃; Ingress protection: IP20; Board‑mount structure.

Functional Features

Rotational speed pulse signal conditioning; Electrical signal isolation; Speed‑governing loop signal matching; Fault loop feedback; High immunity to electromagnetic interference in industrial sites.

Application Scenarios

Diesel generator sets, gas generator sets, standby power units, factory emergency power stations, offshore platform power generation equipment.

Performance Parameters

Input impedance compatible with magnetic pickup sensor; Millisecond‑level response time; Isolation withstand voltage: 1500V AC; Power consumption: less than 5W.

Material Composition

Glass‑epoxy PCB circuit board; Galvanized metal housing; Industrial SMD electronic components; Flame‑retardant plastic connectors.

Structural Characteristics

Board plug‑in structure; DIN rail mounting holes; Terminal wiring interface; Metal shielding enclosure.

Working Principle

Receives alternating pulse signals from magnetic speed sensor, implements filtering, isolation and level conversion, outputs standardized signals to speed controller to form closed‑loop rotational speed regulation circuit.

Installation Requirements

DIN rail mounting; Install inside control cabinet; Keep away from high‑power contactors and frequency converters with strong interference; Separate wiring for signal loop and power loop.

Precautions for Use

Prohibit over‑voltage power supply; Perform wiring under power‑off status; Reliable grounding required; Avoid humid and corrosive gas environment; Regularly check tightening status of wiring terminals.

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