ABB PST250 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 PST250 Specifications

General

Brand	ABB
Model	PST250
Category	Controller
Language	English

Summary

ESD Safety Precautions

ESD Warning Details

Protect electronics from static discharge by grounding tools and personnel before contact.

PCB Upgrade Information

PCB Version Requirements

Lists required LV and HV board versions for upgrading to Torque Control.

Step-by-Step Installation Procedure

Pre-Disconnection and Safety Measures

Mark cables, disconnect main/auxiliary, remove cover, and ensure grounding for safety.

HV Board Replacement

Disconnect HV board cables, remove the old HV board, and prepare for new board installation.

LV Board Replacement and Connection

Disconnect LV board cables, remove old LV board, mount new LV board and connector.

HV Board Reinstallation and Cable Verification

Final Reassembly and System Connection

LV Board Configuration Procedure

Access Service Settings Menu

Set Display Language

Set CT Ratio Ir. Parameter

Set Int ByPass Parameter

Set ByPass AC3 Parameter

Set SOP Parameters (SOP1-SOP4)

Set PST(B) Parameter

Set Motor Current and Protections

Set rated motor current and activate protections/warnings/I/O before putting into operation.