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Emerson SP4401 User Manual

Emerson SP4401
220 pages
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Installation Guide
U
Regen
200V, 400V, 575V, 690V
Part Number: 0471-0029-02
Issue: 2
www.controltechniques.com

Table of Contents

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Emerson SP4401 Specifications

General IconGeneral
BrandEmerson
ModelSP4401
CategoryServo Drives
LanguageEnglish

Summary

Diagnostics

Trip indications

Explains how to interpret trip indications displayed on the drive.

Alarm indications

Describes alarms that flash alternately with displayed data.

Displaying the trip history

Instructions on viewing the log of the last 10 recorded trips.

Safety Information

Warnings, Cautions and Notes

Essential information to avoid safety hazards and equipment damage.

Electrical safety - general warning

Critical warning about severe electrical shock and lethal voltages.

System design and safety of personnel

Emphasizes professional installation and potential hazards of incorrect setup.

Compliance with regulations

Installer responsibility for adhering to relevant safety and EMC regulations.

Introduction

Regen operation

Explanation of regen operation for four-quadrant and efficient power flow.

Advantages of Unidrive SP operating in regen mode

Key benefits including energy saving and improved power factor.

Principles of operation

How the PWM converter enables bi-directional power flow and controls current.

Power flow

Synchronisation

Process for synchronizing the Regen drive to the AC supply.

Regen system configurations

Overview of possible Unidrive SP Regen system configurations.

Regen drive system types

Multiple Regen, multiple motoring system

Ratings

Unidrive SPMC half controlled thyristor rectifier

Output Sharing Chokes (for motoring drives only)

Regen components

Switching frequency filter

Varistors

External charging resistor

System design

Power connections

Single Regen, multiple motoring system using a Unidrive SPMC

Single Regen, multiple motoring system using an external charging resistor

Multiple Regen, multiple motoring using Unidrive SPMC

Mechanical Installation

Safety information

Safety precautions specific to mechanical installation of the drive.

Electrical Installation

Electric shock risk

Critical warnings regarding severe electrical shock hazards from the drive.

Isolation device

Requirement for an isolation device before removing covers or performing maintenance.

Stored charge

Warning about lethal voltage remaining in capacitors after power disconnection.

Getting started

Technical data

Component sizing

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