ABB PST Series Guide

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This is the Installation and commissioning manual for Softstarters
PST30...PSTB1050
Document number: 1SFC132003M0201
Edition: 01
Revision: 01
Issue date: 2003-03-20
Data subject to change without notice.
We reserve all rights to this document, even in the event that a patent is issued and
a different commercial proprietary right is registered. Improper use, in particular
reproduction and dissemination to third parties, is not permitted.
This document has been carefully checked. If the user nevertheless detects any
errors, he is kindly asked to notify us as soon as possible.
The data contained in this manual is intended solely for the product description and
is not to be deemed to be a statement of guaranteed properties. In the interests of
our customers, we constantly seek to ensure that our products are developed to the
latest technological standards.
As a result, it is possible that there may be some differences between the softstarter
and this information product.
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ABB Automation Technology Products AB, Control
S-721 61 Västerås
Sweden
Tel: [phone]
Fax: [phone]
http://www.abb.com/lowvoltage
© ABB Automation Technology Products AB, Control

41SFC132003M0201
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This chapter describes warning and information signs used in this manual, which the
user should pay attention to.
The softstarter shall be installed by authorised personnel only.
This manual is a part of the softstarter and should always be accessible for
personnel working with this product.
The manual shall always be read through before performing any installation or
commissioning tasks.
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About the complete set of documentation for a softstarter.................................. 9
About the installation and commissioning manual............................................... 9
Intended audience.......................................................................................... 9
General...................................................................................................... 9
Requirements............................................................................................ 9
Chapters included......................................................................................... 10
Revision notes.............................................................................................. 10
Acronyms and abbreviations........................................................................ 11
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For the softstarter, the following documents are available:
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For other documents related to the PST Softstarters, see
home page www.abb.com/lowvoltage
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This manual contains instructions on how to install and
commission the softstarter. The manual covers
procedures for mechanical and electrical installation and
installation of communication devices. It also covers
energising, setting and configuration and verifying
settings.
For quickest possible start read Chapter 2 “Quickstart” .
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The installation and commissioning manual is intended for
the installation, commissioning and maintenance
personnel responsible for putting the softstarter into
normal service and out of service.
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The installation personnel must have a basic knowledge
inhandling electric equipment. The commissioning and
maintenance personnel must be well experienced in using
this kind of equipment.

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•,QWURGXFWLRQ introduces the reader to this manual.
•4XLFNVWDUW contains information on how to, in the
quickest way, install the softstarter and put it into oper-
ation. This chapter is intended for the experienced user.
•'HVFULSWLRQ describes the softstarter in general, its
functions and specifications.
•0RXQWLQJ contains information on receiving, unpack-
ing and mounting the softstarter.
•&RQQHFWLRQ contains instructions on how to make the
electrical connections as well as connections for com-
munication devices.
•+XPDQ0DFKLQH,QWHUIDFH describes the local Human-
Machine Interface, how it works and what it contains.
•6HWWLQJVDQGFRQILJXUDWLRQ describes all possible set-
tings and how to navigate in the menu system.
•)LHOGEXVFRPPXQLFDWLRQdescribes how to install and
set up the fieldbus communication.
•0DLQWHQDQFH describes what maintenance is needed.
•)XQFWLRQV describes all functions included in the soft-
starter, as well as the available minimum and maxi-
mum values and default values used.
•7URXEOHVKRRWLQJ contains instructions on how to
quickly find and correct the most common faults.
•'LDJUDPV contains a number of electrical diagrams for
the softstarter itself, and also some typical application
diagrams.
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Please check home page
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The following acronyms and abbreviations are used in this
manual.
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LED Light Emitting Diode
LCD Liquid Crystal Display
SCR Silicon Controlled Rectifier
IT Information Technology
HMI Human-Machine Interface
FBP Fieldbusplug
PLC Programmable Logic Controller
PCB Printed Circuit Board
TOR Top Of Ramp (full voltage)

12 1SFC132003M0201
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Connection ........................................................................................................ 15
Configuration ..................................................................................................... 16
Start of the motor............................................................................................... 16
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This chapter is a short guide to how to connect, do the
configuration and start the softstarter in the easiest way.
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1. Mount the softstarter according to Chapter 4 “Mount-
ing” .
2. Be aware of the ambient temperature.
Derating is required above 40 °C (104 °F).
3. Connect the main circuit: terminals 1L1 - 3L2 - 5L3 to
the line side and terminals 2T1 - 4T2 - 6T3 to the motor
side.
4. Connect the supply voltage: terminal 1 and 2
(100-250V 50/60Hz).
5. Connect the functional ground: terminal 3.
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6. Connect the start/stop circuits: terminal 4, 5, 8, 9 and
10 according to the diagram.
7. Check that the main and supply voltage corresponds to
the softstarter ratings.
8. Switch on the supply voltage.
9. The green "Power on" LED is on and the LCD shall
appear as in figure 3.
Power on ProtectionFault
1
2
3
4
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1 Status indication LEDs
2 LCD display
3 Selectionkeysforselecting,changingand
storing parameters
4 Navigation keys for navigating in the
menus
Arrows shown in the display indicates that
the value/menu is possible to change or
scroll
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16 1SFC132003M0201
Configuration
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1 Enter the Application Setting by pressing left selection
key twice. Press 6HOHFW using the left selection key.
2. Select the appropriate type of load using navigation
keys.
3. Press 6WRUH6HW and 1H[t to continue or %DFN to previ-
ous parameter using the selection keys.
4. Set the Setting Ie using the navigation keys.
In Line connected = rated motor current
Inside Delta connected = 58% ( ) of the rated
motor current.
5. Press 6WRUH and 1H[W to continue or %DFN to previous
parameter using the selection keys.
6. Set the required overload class using the navigation
keys.
7. Press 6WRUH and 1H[W to continue or %DFN to previous
parameter using the selection keys.
8. If an external by-pass contactor is used set ([W%\3DVV
to <HVusing the navigation keys. (PST30...300 only).
9. Press 6WRUH and 1H[W to continue or %DFN to return to
previous parameter using the selection keys.
10.Select <HV if ready or 7XQH6HW if ramp times, initial
voltage, current limit etc. needs to be adjusted using
selection keys.
 6WDUWRIWKHPRWRU
1 Switch on the main voltage.
2. Give start command to the softstarter.
(To start the softstarter from the keypad, enter the
LOCAL CONTROL menu, select 6WDUW6WRS and press
6WDUW. The motor must be stopped before leaving this
menu.)
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17
1SFC132003M0201
&KDSWHU'HVFULSWLRQ
Overview............................................................................................................ 19
Functions........................................................................................................... 20
Markings and connections................................................................................. 22
Type designation ............................................................................................... 23
Industrial IT........................................................................................................ 23
Environmental influence .................................................................................... 24
Specifications .................................................................................................... 24
Technical data ................................................................................................... 25
General......................................................................................................... 25
Softstarter types ........................................................................................... 26
Weights......................................................................................................... 27
Dimensions................................................................................................... 28
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18 1SFC132003M0201

19
1SFC132003M0201
'HVFULSWLRQ
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This chapter describes the softstarter in general,
specifications as well as available accessories and spare
parts.
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The PST softstarter is a microprocessor-based softstarter
designed with the latest technology for soft start and soft
stop of squirrel cage motors. The softstarter has several
advanced motor protection features as standard.
The softstarter is designed to be used with or without a by-
pass contactor except for the larger sizes,
PSTB370...1050 where the by-pass contactor is
integrated. In an emergency case, it is possible to start the
motor DOL with this contactor (mind the ratings).
The keypad on the front is designed to be as user-friendly
as possible, with a clear text display. It is possible to
choose between ten user languages.
The softstarter can be controlled in three ways:
• Hardware inputs control
• Keypad control (local)
• Fieldbus communication interface
The integrated fans for cooling are operated only during
ramping (start/stop) and when the temperature of the heat
sink is too high. The temperature is monitored by a
thermistor.
Only one type of control method can be enabled
simultaneously.
Default selection is hardware inputs control.
Keypad control has the highest priority and overrides the
other control methods.

20 1SFC132003M0201
'HVFULSWLRQ
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The PST softstarter has several integrated protection and
warning functions. Almost any type of fault can also be
detected and displayed.
All available protections, warnings and fault indications
are listed below.
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• Start ramp
• Stop ramp (soft stop)
•Initialvoltage
• Step down voltage
• Current limit
•KickStart
• Extended start range
• Extended stop range
• Sequence start
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• Motor overload protection
• Locked rotor protection
• Motor underload protection
• High current protection
• Phase imbalance protection
• Phase reversal protection
• SCR overload protection
• PTC input for motor protection
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• Warning high current
•Warninglowcurrent
• Warning motor overload
• Warning thyristor overload