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Woodward APECS 4500 User Manual

Woodward APECS 4500
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SE-4097
APECS
®
4500 Electronic
Engine Speed Governing System
User Manual
Manual SE-4097

Table of Contents

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Woodward APECS 4500 Specifications

General IconGeneral
BrandWoodward
ModelAPECS 4500
CategoryControl Systems
LanguageEnglish

Summary

Chapter 1. General Information

System Basics

Overview of the APECS system and its purpose in engine speed control.

System Components

Details on the APECS controller, ACT, speed sensor, actuator, and linkage.

Programmable Features

List of APECS 4500's configurable features and capabilities for various applications.

Chapter 2. Installing the Hardware

Wiring Guidelines

Recommendations for connecting the APECS 4500 controller and its components.

Controller Installation

Procedures and considerations for physically mounting the controller unit.

Speed Sensor Installation

Guidance on installing various types of speed sensors with the APECS controller.

Actuator & Linkage Installation

Steps for mounting the actuator and connecting it to the engine's control lever.

Engine Speed Setpoint Wiring

How to connect analog and switched inputs for engine speed selection.

Power Take-off Input Wiring

Wiring instructions for the PTO input feature.

Glowplug Wiring

Configuration for the glowplug feature using auxiliary outputs.

Autocrank Wiring

Wiring details for the automatic engine cranking feature.

Engine Protection Input Wiring

How to connect inputs for engine protection shutdown features.

Chapter 3. ACT Operation

ACT Installation

Steps for installing the All-purpose Calibration Tool (ACT) software and hardware.

Basic ACT Operation

How to run the ACT software, navigate menus, and interpret the interface.

ACT Menu Structure

Overview of the ACT software menus and available commands.

Save APECS Cal to File

Procedure for saving calibration data from the controller to a file.

Convert Commands

How to convert calibration data to text files for viewing or strategy updates.

Monitor Menu

Using the ACT software to observe engine and APECS operation in real time.

Configure Serial Port

Setting up the COM port for PC communication with the APECS controller.

Chapter 4. Calibrating APECS Features

Calibration Guide

Procedures for configuring and adjusting APECS 4500 features.

Understanding APECS Calibration Parameters

Answers to FAQs about parameters and their configuration.

List of Parameters

Comprehensive list of configurable parameters with descriptions.

Calibration Procedures: PID Gains Adjustment

How to adjust PID gains for optimal engine performance tuning.

Engine Set Speed Calibration Parameters

Configuring parameters for selecting engine speed setpoints.

Speed Input Configuration Parameters

Setting up APECS for various speed sensor types and configurations.

Engine Start Calibration Parameters

Parameters for controlling engine start sequences like glowplugs and autocrank.

Diagnostics Calibration Parameters

Configuration for engine protection and fault monitoring.

Overspeed / Underspeed Protection

Setting up parameters for engine overspeed and underspeed shutdown.

Actuator Output Calibration Parameters

Calibrating actuator current limits and protection features.

Auxiliary Outputs

Configuring the multipurpose auxiliary outputs for various functions.

Droop Governing

Setting up droop governing for load sharing applications.

Chapter 5. Troubleshooting

General Checklist

A step-by-step guide to diagnose and resolve common controller issues.

Fault Codes

Table and explanation of fault codes indicated by the controller's LED.

Glossary of Technical Terms

Chapter 6. Service Options

Product Service Options

Overview of factory options for servicing Woodward equipment.

Replacement/Exchange

Program details for obtaining a like-new replacement unit for immediate service.

Returning Equipment for Repair

Instructions and requirements for returning equipment for service.

How to Contact Woodward

Contact information and procedures for obtaining support and service.

Engineering Services

Information on technical support, product training, and field service.

Technical Assistance

Information required for obtaining technical support by phone.

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