ABB PST105 User Manual

Softstart
Upgrade to Torque control
PST30…300
PSTB370…1050
1SFC132040M0201 RevA Dec-06
Contents
1. ESD Warning...................................................................................................................2
2. Tools................................................................................................................................2
3. PCB information ..............................................................................................................2
4. Step by step.....................................................................................................................3
5. Configuration of the LV board..........................................................................................7

ABB PST105 Specifications

General

Brand	ABB
Model	PST105
Category	Controller
Language	English

Summary

ESD Warning and Safety Precautions

ESD Precautions

Protect electronics from electrostatic discharge by grounding tools and personnel.

Tools and PCB Information

Required Tools for Replacement

Lists Torx T15 and T20 screwdrivers for cover and PCB removal.

PCB Upgrade Requirements

Specifies LV and HV board versions needed for Torque Control upgrade.

Step-by-Step Installation Guide

Initial Disconnection and Board Removal

Steps 1-10: Mark, disconnect cables, remove covers, discharge, and remove HV/LV boards.

LV Board Reinstallation and Connections

Steps 11-15: Remove old LV board, connect new cables, mount new LV board and connector.

HV Board Reinstallation and Cable Checks

Steps 16-21: Mount new HV board, connect cables, check current transformer connections.

Final Connections and Reassembly

Steps 22-23: Mount front cover and reconnect all cables.

LV Board Configuration for Torque Control

Start-up and Initial Setup

Switch on power and navigate menu for initial softstarter setup.

Parameter Settings

Configure parameters like CT Ratio, Bypass, SOPs, and PST(B) for operation.

Final Configuration and Checks

Set motor current, activate protections, and refer to manual for Torque Control.