ABB Softstarters Instruction Manual
Installation and
Maintenance manual
Softstarters
PST / PSTB
Installation and maintenance manual
PST30...PSTB1050
PST30... PST1050
Installation and maintenance manual
Introduction ....................................................................1.1 - 1.3
Quickstart ...............................................................2.1 - 2.3
Description ...................................................................3.1 - 3.10
Mounting ........................................................................4.1 - 4.3
Connection .....................................................................5.1 - 5.9
Human Machine Interface (HMI) ....................................6.1 - 6.7
Settings and confi guration ...........................................7.1 - 7.23
1
2
3
4
5
6
7
Fieldbus communication (option) ...................................8.1 - 8.2
Maintenance ...................................................................9.1 - 9.2
Functions ..................................................................10.1 - 10.19
Troubleshooting ..........................................................11.1 - 11.6
Diagrams ....................................................................12.1 - 12.5
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8
9
10
11
12
General information about this manual
1 General
This is the Installation and maintenance manual for Softstarters PST30...
PSTB1050
Document number: 1SXU 132 021 M0201
Edition: 01
Revision: 01
Issue Date: April 11, 2005
1
Date 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, please 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 the information in this manual.
Author’s address:
Low Voltage Products and Systems
ABB Inc.
1206 Hatton Road
Wichita Falls, TX 76302
Tel: 888.385.1221
940.397.7000
Fax: 940.397.7085
Web: www.abb-control.com
3 Safety signs
3:1 Use of Caution, Warning and Information
Caution icon indicates the presence of a hazard which could result
in personal injury.
!
Warning icon indicates the presence of a hazard which could result
in corruption of software or damage to equipment/property.
Alerts the reader to pertinent facts and conditions.
Caution!
Warning!
Information!
2 Safety
This section describes warning and information signs used in this manual.
The user should pay close attention to these signs.
The softstarter should be installed by authorized personnel only.
This manual is a part of the softstarter and should always be accessible to
personnel working with this product.
The manual should always be read before performing any installation or
commissioning tasks.
II Low Voltage Products & Systems
1SXU 132 021 M0201 ABB Inc. • 888-385-1221 • www.abb-control.com
Installation and maintenance manual
PST30...PSTB1050
About the documentation for the softstarter .........................................................1.2
About the installation and commissioning manual ...............................................1.2
Intended audience ........................................................................................ 1.2
General ...................................................................................................... 1.2
Requirements ............................................................................................. 1.2
Chapters included ................................................................................................. 1.2
Revision notes .......................................................................................................1.3
Acronyms and abbreviations ................................................................................. 1.3
Chapter 1
Introduction
1
Low Voltage Products & Systems 1.1
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Chapter 1
Introduction
1:1 About the documentation for the softstarter
For the softstarter, the following documents are available:
PST30/PSTB1050 Softstarters
Installation and Maintenance manual
Document ID: 1SXU 132 021 M0201 - English
1SFC132003M0101 (German)
1SFC132003M0101 (German)
1
1SFC132003M3401 (Swedish)
1SFC132003M0301 (French)
1SFC132003M0901 (Italian)
1SFC132003M0701 (Spanish)
1SFC132003M3101 (Dutch)
1SFC132003M1601 (Portuguese)
1SFC132003M1801 (Finnish)
1SFC132003M1101 (Russian)
1SFC132003M2001 (Chinese
1SFC132003M1901 (Turkish)
Soft Starter Catalog
Document ID: 1SXU 132 019 C0201
For other documents related to the PST Softstarters, see www.abb-control.com/products/softstarters.htm#type_pst
1:2 About the installation and commissioning manual
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 how to energize, set, confi gure and verify settings.
For the quickest possible start, read Chapter 2 “ Quickstart” .
1:2.1 Intended audience
1:2.1.1 General
The installation and commissioning manual is intended for personnel responsible for installing, commissioning and maintaining the softstarter.
1:2.1.2 Requirements
All personnel who interact with the softstarter must have a basic knowledge in handling electric equipment. The commissioning and maintenance personnel must be well experienced in using this kind of equipment.
1:2.2 Chapters included
• Introduction introduces the reader to this manual.
• Quickstart contains information on how to install the softstarter and put it into oper ation in the quickest and safest way. This chapter is intended for
the experienced user.
• Description describes the softstarter in general, its functions and specifi cations.
• Mounting contains information on receiving, unpack ing and mounting the softstarter.
• Connection contains instructions on how to make the electrical connections as well as connections for com munication devices.
• Human-Machine Interface describes the local Human-Machine Interface, how it works and what it contains.
• Settings and confi guration describes all possible set tings and how to navigate in the menu system.
• Fieldbus communication describes how to install and set up the fi eldbus communication.
• Maintenance describes what maintenance is required.
• Functions describes all functions included in the soft starter. This chapter also describes parameter ranges and default values.
• Trouble shooting contains instructions on how to quickly fi nd and correct the most common faults.
• Diagrams contains a number of electrical diagrams for the softstarter itself. It also contains some typical application diagrams.
1.2 Low Voltage Products & Systems
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Chapter 1
Introduction
1:2.3 Revision notes
Please check www.abb-control.com/products/softstarters.htm#type_pst for latest information on revisions.
1.2.4 Acronyms and abbreviations
The following acronyms and abbreviations are used in this manual.
Acronym/abbreviation Description
LED Light Emitting Diode
LCD Liquid Crystal Display
SCR Silicon Controlled Rectifi er
IT Information T echnology
HMI Human-Machine Interface
FBP Fieldbusplug
PLC Programmable Logic Controller
PCB Printed Circuit Board
TOR Top of Ramp (full voltage)
1
Low Voltage Products & Systems 1.3
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Notes
1
1.4 Low Voltage Products & Systems
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Installation and maintenance manual
PST30...PSTB1050
Connection .............................................................................................................2.2
Confi guration ..........................................................................................................2.3
Start of the motor ....................................................................................................2.3
Chapter 2
Quickstart
2
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Chapter 2
Quickstart
1
Power on ProtectionFault
2
4
Figure 1:
1 Status indication LEDs
2 LCD display
3 Selection keys for selecting, changing and storing parameters
4 Navigation keys for navigating in the menus
* Arrows shown in the display indicate that the value/menu is
possible to change or scroll
This chapter is a short guide on how to connect, confi gure and start the softstarter in the quickest
and safest way.
2
!
Warning!
Mounting and installing the softstarter shall be done in accordance with local laws and
regulations and must be performed by authorized personnel only.
Do not change any parameters in the Service Settings menu.
3
2:1 Connection
1. Mount the softstarter according to Chapter 4 “ Mounting” .
2. Be aware of the ambient temperature. Derating is required above 40 °C (104 °F). See Chapter
3 for more information.
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 control voltage: terminals 1 and 2 (100-250V 50/60Hz).
5. Connect the functional ground: terminal 3.
Figure 2: Standard connection PST
Power on ProtectionFault
Figure 3: Top level
Information!
The wire shall be as short as possible, and be connected to the mounting plate.The
mounting plate should also be grounded.
6. Connect the start/stop circuits: terminal 4, 5, 8, 9 and 10 according to Figure 2. 24 VDC only!
7. Verify that the main and control voltage corresponds to the softstarter ratings.
8. Switch on the control voltage.
9. The green “Power on” LED should be lit and the LCD should appear as shown in Figure 3.
2.2 Low Voltage Products & Systems
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Chapter 2
Quickstart
Application Setting
Select Back
Figure 4: Application setting menu
Centrifugal Pump
Store Set Back
Figure 5: Centrifugal pump
Centrifugal Pump
Next Back
Figure 6: Centrifugal pump stored
Setting Ie 99.0A
Store
Figure 7: Setting Ie
Setting Ie 99.0A
Next Back
Figure 8: Setting Ie stored
OL Class 10
Store
Figure 9: OL Class
2:2 Confi guration
1. Enter the Application Setting by pressing the left selection key twice. Press Select using the
left selection key. See Figure 4.
2. Select the appropriate type of load by using the navigation keys. See Figure 5.
3. Press Store Set and Next to continue or Back to previ ous parameter using the selection
keys. See Figure 6.
4. Set Ie (motor FLA) using the navigation keys.
In Line connected = rated motor current
Inside Delta connected = 58% (1/( 3)) of the rated motor current. For example, if the soft
starter is connected in line with a 100A motor, Ie = 100A. If the softstarter is connected inside
the delta of a 100A motor, Ie = 58A. See Figure 7.
5. Press Store and Next to continue or press Back to access the previous parameter. See Fig-
ure 8.
6. Set the required overload class using the navigation keys. See Figure 9.
7. Press Store and Next to continue or press Back to access the previous parameter. See Fig-
ure 10.
8. If an external by-pass contactor is used set Ext ByPass to Yes using the navigation keys.
(PST30...300 only). See Figure 11.
9. Press Store and Next to continue or Back to previous parameter using the selection keys.
See Figure 12.
10. Select Yes if ready or Tune Set if ramp times, initial voltage, current limit etc. need to be
adjusted. See Figure 13.
11. To change language, see Section 7:2.5.
2:3 Start of the motor
1. Switch on the main voltage.
2. Give a start command to the softstarter.
(To start the softstarter from the keypad, enter the LOCAL CONTROL menu, select Start/
Stop and press Start. The motor must be stopped before leaving this menu.)
2
OL Class 10
Next Back
Figure 10: OL Class stored
Ext ByPass No
Store
Figure 11: External Bypass
Ext ByPass No
Next Back
Figure 12: External Bypass stored
Ready?
Yes Tune Set
Figure 13: Ready / Tune Set
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Notes
2
2.4 Low Voltage Products & Systems
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Installation and maintenance manual
PST30...PSTB1050
Overview.................................................................................................................3.2
Functions ................................................................................................................3.2
Markings and connections ......................................................................................3.3
Type designation ....................................................................................................3.4
Industrial IT .............................................................................................................3.4
Environmental infl uence .........................................................................................3.4
Specifi cations .........................................................................................................3.4
Technical data ........................................................................................................3.5
General .............................................................................................................3.5
Semi-conductor fuses .......................................................................................3.5
Softstarter types ................................................................................................3.6
Weights .............................................................................................................3.7
PSTB AC3 (Across the line) Contactor Ratings ................................................3.7
UL Information ...................................................................................................3.7
Dimensions ............................................................................................3.8 - 3.10
Chapter 3
Description
3
Low Voltage Products & Systems 3.1
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Chapter 3 - Description
This chapter describes the softstarter in general, specifi cations and available accessories and
spare parts.
3:1 Overview
The PST softstarter is a microprocessor-based softstarter designed with the latest technology for
the 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 bypass contactor is integrated. In an emergency, it is possible
to start the motor across the line with the integrated bypass contactor. See Section 3:8.4 for AC3
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 twelve different languages (default is English).
The softstarter can be controlled in four ways:
3
• Hardware inputs
• Keypad control (local)
• Fieldbus communication interface
• Remote keypad (option)
The integrated fans for cooling are operated only during ramping (start/stop) and when the tem-
perature 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.
Information!
Keypad control has the highest priority and overrides all other control methods.
3:2 Functions
The PST softstarter has several integrated protection and warning functions. Almost any type of
fault can be detected and displayed.
All available protections, warnings and fault indications are listed below.
Start/Stop functions
• Start ramp
• Stop ramp (also called soft stop or decel)
• Initial voltage
• Step down voltage
• Current limit
• Kick Start
• Extended start range
• Extended stop range
• Sequence start
Protection functions
• 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
• Shorted SCR
3.2 Low Voltage Products & Systems
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Chapter 3 - Description
Warning functions
• Warning high current
• Warning low current
• Warning motor overload
• Warning SCR overload
Fault Supervision functions
• Internal softstarter faults
• Shorted SCR
• Non conducting SCR
• Open circuit motor side
• Over-temperature heat sink
• Phase loss
• Frequency out of range
• Fieldbus communication
• Non-closing by-pass contactor
• Non-opening by-pass contactor
Other functions
• Jog
• Real time clock
• Event log
• Keypad password
3
3:3 Markings and connections
Line side
connection
e
1234567891011121314151617181920
L
N
100-250V
Stop
50/60 Hz
1L1
B1 B2 B3
3L2 5L3
2T1 4T2 6T3
1SFA 894 007 R1002
IEC 947-4-2
Us: 100-250V AC/DC
Ie: 37-72A
Overload Capacity 115% of Continuous
UL 508
Uc: 100-250V AC/DC
FLA: 37-68A
Fuse 250A TYPOWER ZILOX
CAUTION
Max short circuit current 65kA at 480V
Terminal marking
of main circuit
Order code
Technical data
according to
IEC 947-4-2
Technical data
according to
UL 508
Control voltage U
Start
In1 Vc Vn Vp Vp
In0
Made in Sweden
72: AC-53a: 8-1.6: 80-6
Ue: 220-230 380-400 500 V
In line 18,5 37 45 kW
Ue 208 220-240 440-480 V
In line 20 20 50 Hp
PTCKeypad Fieldbus
IND. CONT. EQ
LISTED
7F39
K4
Wire 1-8 Al Cu 75C only, 35lb-in
Bypass connection
(PST30...300 only)
Terminal marking
of control circuits
K5 K6
Green
Red
Yellow
Display
Keypad
Fieldbus connection
Us: 100
-250V AC/DC
Ie: 37-7
2A
UL
Ue:
Uc: 100
In line
220-23
-250V AC/DC
Overload Capacity
FLA: 37-6
0
18,5
380-400
8A
CAUTI
Ue
37
1
15% of Contin
500
ON
Fuse 250
In lin
V
45
Max short circui
208
e
uous
A
T
kW
YPOW
22
20
0-240
ER ZILOX
t current 65kA
44
20
0-480
L
IS
50
V
at
T
ED
Keypad
IND. C
7
F3
Hp
ON
9
T
.
EQ
.
PTC connection
External keypad
connection
PTC
Wire 1-8
Al Cu 75C
only, 35lb-in
Fieldb
us
213
11
456789101
123
103020123
1S160100
Serial number
Motor side connection
Figure 1: Markings and connections
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3:4 Type designation
Chapter 3 - Description
]
PST B 370-600 -70
]
3
3:4 Industrial
]
]
]
Control Voltage
70 = 100 - 250V 50/60 Hz
Main Voltage
600 = 208 - 600V 50/60 Hz
690 = 400 - 690V 50/60 Hz
Current Rating
600 = 208 - 600V 50/60 Hz
690 = 400 - 690V 50/60 Hz
Bypass contactor
600 = 208 - 600V 50/60 Hz
690 = 400 - 690V 50/60 Hz
Softstarter type
IT
Thanks to ABB’s broad program of product standardisation, today’s Industrial IT components are - whether they are products or systems, hardware or
software - the building blocks of larger solutions, incorporating functionalities that will allow seamless interactions in real-time automation and information systems.
At the product level, ABB’s Industrial IT enabled symbol ensures that all the products can fully interact. All product information pertaining to these
products is available in electronic format, based on Aspect Object
equipped with the tools necessary to install, operate and maintain it effi ciently throughout the product’s life cycle.
The PST softstarters is an Industrial IT enabled product. Documentation such as brochures, catalogues, certifi cates and drawings can be found at :
www.abb-control.com/products/softstarters.htm#type_pst.
TM
technology. The Industrial IT commitment from ABB ensures that every product is
3:6 Environmental infl uence
The product is designed to minimize the environmental affects during manufacturing and use of the product. Most of the materials used are recyclable.
3:7 Specifi cations
Item Specifi cation
Degree of protection (main circuit) IP 10 for PST30...72; IP 00 for PST85...1050
Operating position Vertical at ± 10°
Ambient temperature Storage: -25°C to +70°C (-13°C to 158°F)
Operation
Without derating
With derating
Altitude 1000 m (3281 ft.) above sea level without derating
Pollution degree 3
Relative humidity 5 - 95% (non-condensing)
Standards UL508
PTC input IEC 60947-8 Mark A detectors, DIN 44081 and DIN 44082
Marine approvals Contact your ABB sales offi ce
3.4 Low Voltage Products & Systems
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0°C to +40°C (32°F to 104°F)
+40° C to +50°C (104°F to 122°F) of 0.8% / °C (1.8%/°F)
1000 - 4000 m (3281 - 13,123 ft.) by derating 1% for each 333 ft above 3300 ft.
IEC 60947-1
IEC 60947-4-2
EN 60947--1
Chapter 3 - Description
3:8 Technical data
3:8.1 General
Item Technical data
Rated insulation voltage, Ui 690V
Rated operational voltage, Ue 208-690 V (in two modes)
Rated control voltage, Us 100 - 250 V 50/60 Hz
Rated frequency 50 / 60 Hz
Voltage tolerances +10% to -15%
Frequency tolerances ±5%
Rated impulse withstand voltage 2 kV
Number of controlled phases 3
Programmable inputs 24 VDC, 10 mA
Output relays 250 VAC, Ith = 5A, le = 1.5A (AC-15)
Battery back-up D20mm Lithium 3V CR2032
PTC input 2825 ohm ±20% switch off resistance
1200 ohm ±20% switch on resistance
Cooling system Fan
Recommended fuse for control circuit 6A Delayed
MCB use C characteristics
Service factor 115% (100% for PSTB1050)
Communication protocols AS-Interface DeviceNet / Profi bus DP /
Modbus
3
3:8.2 Semi-conductor fuses
Softstarter type Bussmann fuses Holders
A Type
PST30 80 170M1366 170H1007
PST37 125 170M1368 170H1007
PST44 160 170M1369 170H1007
PST50 160 170M1369 170H1007
PST60 200 170M1370 170H1007
PST72 250 170M1371 170H1007
PST85 315 170M1372 170H1007
PST105 400 170M3019 170H3004
PST142 450 170M3020 170H3004
PST175 500 170M3021 170H3004
PST210 630 170M5012 170H3004
PST250 700 170M5013 170H3004
PST300 900 170M5015 170H3004
PSTB370 700 170M5013 170H3004
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Chapter 3 - Description
3:8.3 Softstarter types
Type PST30 PST37 PST44 PST50
Connection method Inline Delta Inline Delta Inline Delta Inline Delta
Rated Current Ie (A) 30 52 37 64 44 76 50 85
Motor rating at 480V (HP) 20 30 25 40 30 50 40 60
Motor rating 380-415V (KW) 15 25 18.5 30 22 37 25 45
AC-3 Rating with integrated Bypass (A) ––––
Power loss at rated current (W) 100 120 140 160
Control power requirements (VA) 5555
Type PST60 PST72 PST85 PST105
Connection method Inline Delta Inline Delta Inline Delta Inline Delta
Rated Current Ie (A) 60 105 72 124 85 147 105 181
3
Motor rating at 480V (HP) 40 75 50 75 60 100 75 150
Motor rating 380-415V (KW) 30 55 37 59 45 75 55 90
AC-3 Rating with integrated Bypass (A) ––––
Power loss at rated current (W) 190 230 270 325
Control power requirements (VA) 5 5 10 10
Type PST142 PST175 PST210 PST250
Connection method Inline Delta Inline Delta Inline Delta Inline Delta
Rated Current Ie (A) 142 245 175 300 210 360 250 430
Motor rating at 480V (HP) 100 150 125 200 150 250 200 350
Motor rating 380-415V (KW) 75 132 90 160 110 184 132 220
AC-3 Rating with integrated Bypass (A) ––––
Power loss at rated current (W) 435 540 645 765
Control power requirements (VA) 10 15 15 15
Type PST300 PSTB370 PSTB470 PSTB570
Connection method Inline Delta Inline Delta Inline Delta Inline Delta
Rated Current Ie (A) 300 515 370 640 470 814 570 987
Motor rating at 480V (HP) 250 400 300 500 400 600 500 700
Motor rating 380-415V (KW) 160 257 200 355 250 450 315 475
Contactor type – AF302 AF302 AF480
AC-3 Rating with integrated Bypass (A) – 302 302 480
Power loss at rated current (W) 920 90 110 110
Control power requirements (VA) 15 20/480 20/480 25/900
Type PSTB720 PSTB840 PSTB1050
Connection method Inline Delta Inline Delta Inline Delta
Rated Current Ie (A) 720 1247 840 1455 1050 1810
Motor rating at 480V (HP) 600 1000 700 1200 900 1500
Motor rating 380-415V (KW) 400 670 450 780 560 875
Contactor type AF580 AF750 AF750
AC-3 Rating with integrated Bypass (A) 590 720 720
Power loss at rated current (W) 110 170 170
Control power requirements (VA) 25/860 25/860 25/860
3.6 Low Voltage Products & Systems
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Chapter 3 - Description
3:8.4 Weights
Type Weight in kg Weight in lbs
PST30...50 4.8 10.6
PST60...72 5.0 11.0
PST85 11.2 24.7
PST105...142 13.0 28.7
PST175...210 21.5 47.4
PST250...300 23.0 50.7
PST370...470 31.0 68.3
PSTB570 52.0 114.6
PSTB720 55.0 121.3
PSTB840...1050 60.0 132.3
3:8.5 PSTB AC3 Integrated contactor ratings
PST type PSTB370 PSTB470 PSTB570 PSTB720 PSTB840 PSTB1050
Contactor type AF300 AF300 AF460 AF580 AF750 AF750
AC3 Rating @ 480V HP 250 250 400 500 600 600
AC3 Rating A 302 302 480 590 720 720
3
3:8.6 UL information
Equipment suitable for use in a circuit with maximum available fault current as shown when protected by devices indicated.
Model Rating (kA) Max V Fuse (A) MCCB (A)
PST30...142 10 600 Any UL Listed Any UL Listed
PST175...300 18 600 Any UL Listed Any UL Listed
PSTB370...470 30 600 Any UL Listed Any UL Listed
PSTB570 30 600 Any UL Listed Any UL Listed
PSTB720 42 600 1200/L 1200
PSTB840 42 600 1200/L 1200
PSTB1050 85 480 - 800
PSTB1050 85 600 1200/L PSTB1050 42 600 - 1200
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Chapter 3 - Description
3:8.7 Dimensions
PST30...72
3
Figure 1: Dimensions PST30...72
[
Inches
[
Millimeters
PST85...142
Figure 2: Dimensions PST85...142
3.8 Low Voltage Products & Systems
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Chapter 3 - Description
[
Inches
[
Millimeters
PSTB175...300
3
Figure 3: Dimensions PST175...300
PSTB370...470
Figure 4: Dimensions PSTB370...470
Low Voltage Products & Systems 3.9
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Chapter 3 - Description
PSTB570...1050
3
[
Inches
[
Millimeters
Figure 5: Dimensions PSTB570...1050
3.10 Low Voltage Products & Systems
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Installation and maintenance manual
PST30...PSTB1050
Receiving, unpacking and checking .......................................................................4.2
Intermediate storage .........................................................................................4.2
Mounting .................................................................................................................4.2
Handling when mounting ..................................................................................4.2
Requirements ....................................................................................................4.2
Minimum distance to wall/front ..........................................................................4.2
Minimum enclosure sizes ..................................................................................4.3
Chapter 4
Mounting
4
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Chapter 4
Mounting
This chapter describes instructions on how to receive the softstarter and how to mount it in the proper
way.
4:1 Receiving, unpacking and checking
• Check that the package is turned with the correct side up, Figure 1.
• Check for transport damages
• Remove transport casing.
• Visually inspect the softstarter
• Check that the serial number corresponds with the delivery documents
Figure 1: Package
4
• Check the softstarter as well as the package. If you fi nd any damages, please contact the transport
company or supplier immediately.
4:1.1 Intermediate storage
Until the softstarter is mounted, it should be stored in its package.
4:2 Mounting
4:2.1 Handling when mounting
The softstarter is available in fi ve physical sizes. Models PST30 to PST300 can be taken out of the
packages and mounted without lifting equipment.
For all other models, lifting equipment is recommended due to the weight.
See Chapter 3 “Description”, for weights.
Figure 2: Airways
B B
Do not lift the softstarter by the connection bars. Lifting by the connection bars may cause
4:2.2 Requirements
See Chapter 3 “Description” for environmental requirements.
A
4:2.3 Minimum distance to wall/front
To ensure a suitable cooling, the softstarter must be mounted vertically and in such a way that the
Use the table below and Figure 3 for minimum distances between wall/front of the PST softstarter.
The values are minimum distances.
A
C
!
Warning!
damage to the product.
airways are not blocked, see Figure 2.
Information!
Softstarter type
PST30...72 100 3.94 10 0.39 20 0.79
PST85...300 100 3.94 10 0.39 20 0.79
PST175...300 100 3.94 10 0.39 20 0.79
PSTB370...470 150 5.91 15 0.59 20 0.79
PSTB570...1050 150 5.91 15 0.59 20 0.79
ABC
mm in mm in mm in
Figure 3: Minimum distances, wall/front
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Chapter 4 - Mounting
4:2.4 Minimum enclosure sizes
In applications where the softstarter is installed in an enclosure, the following minimum
enclosure sizes and fan capacities are recommended.
Minimum enclosure dimensions
Softstarter type
PST30...72 300 12 400 16 250 10 42 25
PST85...300 400 16 500 20 300 12 95 60
PST175...300 500 20 600 24 300 12 210 125
PSTB370...470 600 24 600 24 400 16 210 125
PSTB570...1050 750 30 900 36 400 16 210 125.00
WHD
mm in mm in mm in m3/h ft3/min
Fan capacity
Dimensions and drilling plan: See Chapter 3, “Description”
4
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Notes
4
4.4 Low Voltage Products & Systems
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Installation and maintenance manual
PST30...PSTB1050
General .................................................................................................................5.2
Electrical connection .............................................................................................5.2
Main circuit .......................................................................................................5.2
External Bypass contactor ...............................................................................5.3
Protective earthing ...........................................................................................5.3
Control voltage and control circuit ....................................................................5.4
Control voltage, terminals 1 and 2 ...........................................................5.4
Grounding, terminal 3 ..............................................................................5.4
Start and Stop, terminals 4, 5, 8, 9, 10, 11 ...............................................5.4
Programmable inputs, terminals 6 and 7 .................................................5.5
Programmable output relay K4, terminals 12, 13 and 14 ........................5.6
Programmable output relay K5, terminals 15, 16 and 17 ........................5.7
Programmable output relay K6 terminals 18, 19 and 20 .........................5.7
PTC input .................................................................................................5.7
Connection of communication devices (optional) ..................................................5.8
Fieldbus communication ..................................................................................5.8
External keypad ...............................................................................................5.8
Transferring parameters ...................................................................................5.8
Uploading parameters .............................................................................5.8
Technical data ..........................................................................................5.9
Chapter 5
Connection
5
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Chapter 5
Connection
This chapter describes the electrical connections as well as connections for communication
devices (optional) that must be made before the softstarter can be operated.
5:1 General
PST30...
PSTB1050
Caution!
All wiring and connection must be carried out by a qualifi ed electrician, and in
accordance with installation standards and safety regulations.
Figure 1: In Line Connection
PST30...
PSTB1050
5
Figure 2: Inside Delta connection
See Chapter 2 “ Quickstart”.
5:2 Electrical connection
5:2.1 Main circuit
Softstarters PST30...PSTB1050 can be connected both “ In Line”, see Figure 1, and “ In-
side Delta”, see Figure 2.
Connect the line side to terminals 1L1, 3L2, 5L3.
Connect the motor to terminals 2T1, 4T2, 6T3 on the motor side.
The terminal marking is printed on the front label.
For torque requirements and cable sizes, see Figure 5.
1L1
3L2
5L3
Line side
20
19
18
K6
17
16
15
K5
14
13
12
11
K4
10
Vp
9
Vp
8
Vn
7
Vc
6
In1
5
In0
4
3
Start
p
2
Sto
1
0V
0-25
10
Hz
/60
50
en
Swed
Made in
.
n
7F39
i
V
-
6:
lb
.
ED
kW
35
500
ly,
8-1
n
CONT. EQ
LIST
.
USS
45
C o
a:
B
D
75
IND
0-400
FEL
Cu
0 38
Al
AC-53
37
V
us
re 1-8
220-23
o
72:
u
Wi
5
,
n
80
i
4 007
18
Cont
f
89
440-4
Ue:
o
%
40
ne
5
li
11
In
20-2
y
1SFA
t
7-4-2
2
paci
94
208
Ca
d
oa
l
IEC
er
Ov
Us: 100-250V AC/DC
Ue
PTC
OX
t
37-72A
L
ZI
Ie:
A a
R
DC
65k
WE
rrent
u
TYPO
t c
UL
ui
rc
i
100-250V AC/
Pad
-
ort c
Uc:
use 250A
h
-68A
F
Key
s
ax
: 37
M
FLA
ON
I
T
CAU
Figure 3: Connection of line side and motor side
2T1
4T2
1SF
A 8
IEC
Us: 100
947-4-2
-250V AC/DC
Ie: 37-72A
UL
Uc: 100
-250V AC/DC
FLA: 37
-68A
CAU
TI
ON
94 007
Ue:
In
Ov
er
l
oa
d
Capac
Ue
F
u
In
se 250A
li
M
ne
a
x
s
h
TYPO
ort ci
rc
ui
6T3
72:
Made in Sweden
AC-53a:
22
li
ne
0-230
18
380-400
8-1
,5
.
6:
i
t
y
37
11
5
500
%
of
Cont
45
V
208
i
n
u
ou
kW
220-24
s
20
W
E
0 440-480
t c
R
u
Z
rrent
ILOX
20
65k
A at
50
Ke
y
-
P
a
d
PT
C
Motor side
LISTED
V
IND. CONT
7F39
Hp
. EQ
.
Wi
re 1-8 Al C
u 75C on
ly,
35
lb-in
FIELD
B
US
5.2 Low Voltage Products & Systems
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Chapter 5
Connection
B3
B2
B1
17
16
15
K5
14
13
12
11
K4
10
Vp
9
Vp
8
Vn
7
Vc
6
In1
5
In0
4
3
Start
2
Stop
1
100-250V
50/60 Hz
Figure 4: External bypass contactor
connection
5:2.1.1 External Bypass contactor
An external by-pass contactor can be used for softstarter sizes PST30...300 (built in for
PSTB370...1050).
Connect the contactor to terminals B1, B2 and B3 on the line side and terminals 2T1, 4T2
and 6T3 on the motor side.
The terminal markings are printed on the front label.
20
19
18
K6
Information!
Do not use terminals B1, B2 or B3 for the “Inside Delta” connection. The current
measurement will be wrong.
5:2.1.2 Protective earthing
Softstarters type PST85...PSTB1050 should be earthed using the terminals as shown in
Figure 5 (one connection is suffi cient).
Warning!
Do not operate machine with the grounding wire disconnected
PST 30...72
B1 B2 B3
3L2 5L3
1L1
2T1 4T2 6T3
4 mm
M8
6 Nm - 53 lb.in
1 x 6 ...... 70 mm
2 x 6 ...... 35 mm
!WG 1...8
1 x 6 ...... 70 mm
2 x 6 ...... 35 mm
2
2
2
2
14
5
14
Figure 5: Protective earthing.
PST 85...142
B1 B2 B3
3L2 5L3
1L1
2T1 4T2 6T3
PST 175...300
1L1
B1 B2 B3
3L2 5L3
2T1 4T2 6T3
PSTB 370...470
3L2
1L1
2T1 4T2 6T3
5L3
PSTB 570...1050
3L2
1L1
2T1 4T2 6T3
5L3
M8
9 Nm - 80 lb.in
M8
18 Nm - 160 lb.in
M10
40 Nm - 354 lb.in
M12
45 Nm - 443 lb.in
Figure 6: Tightening torques and cable sizes
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V
Chapter 5
Connection
5:2.2 Control voltage and control circuit
N
5:2.2.1 Control voltage, terminals 1 and 2
L
Connect the hot and neutral and phase to terminals 1 and 2.
Information!
Check that you have the correct control voltage Us.
7
6
In1
5
In0
4
rt
3
Sta
2
Stop
1
100-250V
Hz
0
/6
50
Figure 7: Control voltage
5:2.2.2 Grounding, terminal 3
Connect the cable to a grounding point close to the softstarter. The cable should be as short as possible. A
suitable grounding point would be next to the softstarter on the mounting plate, see Figure 8. The mounting
plate should also be grounded.
Information!
This is not a protective ground, it is a functional ground. The grounding cable should be
as short as possible. Maximum length: 1.5 ft.
5
7
6
In1
5
In0
4
t
3
Star
1
0-250V
10
Hz
/60
50
Figure 8: Functional ground
2
Stop
5:2.2.3 Start and Stop, terminals 4, 5, 8, 9, 10, 11
Internal control voltage
The softstarter has a built-in holding circuit which does not require any external power source for start and
stop, See Figure 10.
A conventional circuit with a HOA switch is also possible, see Figure 11.
12
11
10
p
V
9
p
V
8
n
V
7
Vc
6
1
In
5
In0
4
3
Start
p
2
Sto
1
0-250V
10
Hz
0
/6
50
Figure 9: Terminals 4, 5, 8, 9, 10, 11
Figure 10: Holding circuit (momentary start signal required)
M3
1. . . . . . . . . . . . . . . . . . . . . . . . 20
?
0,5 Nm - 4,3 lb.in
Figure 11: Conventional circuit (maintained start signal required)
3,5x0,6
0,14 ... 2,5 mm
AWG 12 ... 22
0,14 ... 2,5 mm
Figure 12: Tightening torques and cable sizes
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2
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