ABB PSTX370 Service Manual
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ABB PSTX370 Service Manual

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Service manual en, rev A 1SFC13105M0201
Softstarter type PSTX210...370 and
PSTX470...570
Service manual

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Summary of Contents for ABB PSTX370

  • Page 1 Service manual en, rev A 1SFC13105M0201 Softstarter type PSTX210...370 and PSTX470...570 Service manual...
  • Page 2 As a result, there may be some differences between the Softstarter and the information in this manual. Author’s address: ABB AB Control Products Low Voltage Products SE-721 61 Västerås, Sweden Telephone: +46 (0) 21 32 50 00 www.abb.com/lowvoltage...
  • Page 3 Service and repair shall be done in accordance damage to equipment or property. with existing laws and regulations. ABB personnel must under all circumstances, as a WARNING minimum, follow the ABB CISE 15.4 instruction. Warning symbol indicates the presence of hazardous voltage which could result in personal injury.

  • Page 5: Wiring Diagrams

    Softstarter type PSTX210...370 and PSTX470...570 Service manual 1 Introduction 2 Description 3 Service PSTX210...370 4 Service PSTX470...570 5 Wiring Diagrams 6 Revisions...
  • Page 7 1 Introduction 1.1 Service manual 1.1.1 Intended audience 1.1.2 Revision notes and related documents 1.1.3 Acronyms and abbreviations 1.1.4 Chapters included | Service Manual | Introduction 1SFC13105M0201...
  • Page 8 Reprint • Connect main power cables and control Reprinting of this service manual is only promoted on cables approval. Reprint for internal use is permitted only for ABB • Change the PCBA service engineers. • Change the fans •...

  • Page 9: Table Of Contents

    2 Description 2.1 Description 2.1.1 Regular maintenance 2.1.2 Tools required 2.1.3 Service and repair 2.1.4 Weights 2.1.5 Dimension prints PSTX30...105, PSTX142...170 2.1.6 Dimension prints PSTX210...370, PSTX470...570 2.1.7 Markings and connections 2.1.8 Identification of Softstarter type | Service Manual | Description 1SFC13105M0201...

  • Page 10: Description

    In case the Softstarter has to be repaired, a spare parts dust. list and necessary instructions are available at: • Check that all the LED lamps are working. www.abb.com/lowvoltage. • Check that the text in the HMI display is working. • Spare part list 1SFC001013C0201 Keep Softstarter clean from dirt •...

  • Page 11: Dimension Prints Pstx30

    2.1.5 Dimension prints PSTX30...105, PSTX142...170 • PSTX30...105 30 mm (1,2 in) 4x Ø14 (2x) 13 mm (0,5 in) 6x 150 mm (5,9 in) 119 mm (4,7 in) • PSTX142...170 Ø18 (2x) 35 mm (1,3 in) 4x 7,5 mm (0,3 in) 6.6 mm (0,2 in) 4x 17,5 mm (0,7 in) 6x 199 mm (7,8 in)

  • Page 12: Dimension Prints Pstx210

    2.1.6 Dimension prints PSTX210...370, PSTX470...570 • PSTX210...370 10,5 mm (0,4 in) 43,7 mm (1,7 in) 4x 19,6 mm (0,8 in) 6x 200 mm (7,9 in) 258 mm (10,2 in) • PSTX470...570 336 mm (13.2 in) 2x 7 mm (0.2 in) 4x 63 mm (2.5 in) 4x 9 mm (0.3 in) 25 mm (0.9 in) 6x...
  • Page 13 | Service Manual | Description 1SFC13105M0201...

  • Page 14: Markings And Connections

    2.1.7 Markings and connections Terminal marking of control circuits Supply voltage Us Line side connection 100-250V 50/60 Hz Start Stop In1 In2 DGND +24V PSTX Display Order code Ready (Green) Protection (Yellow) Ready Protection Fault Run (Green) Fault (Red) Keypad Mini USB Technical data according to...

  • Page 15: Identification Of Softstarter Type

    Technical data according to UL 508 The label shows the Softstarter and the serial number. Com1 Com2 Serial number information The ABB Serial number within business unit Control Products has the following structure: Table 5 Prefix Register Id Individual identity number part...
  • Page 16 Description | Service Manual | 1SFC13105M0201...
  • Page 17 3 Service PSTX210...370 3.1 Introduction 3.1.1 Earth the Softstarter 3.1.2 How to access service parameters 3.2 Configuring the HMI 3.2.1 Update Firmware 3.2.2 Set the ID 3.2.3 Reset to factory defaults 3.3 Change the HMI, Disconnect/Connect the main power cables and the control cables 3.3.1 Change the HMI 3.3.2 Place the new HMI...

  • Page 18: Introduction

    Introduction This service instruction contains step-by-step service of PSTX210...370 Softstarter. Lock/Unlock parameters Push and hold the Options-key, Menu-key and i-key simultaneous for 2 seconds in order to lock/ unlock the keypad. This prevents accidental changes of parameters. Parameters are read-only. The earthing cable length Still Start/Stop and R/L is active.

  • Page 19: Configuring The Hmi

    This chapter describes how update firmware, set the ID and how to reset the Softstarter to default. 3.2.1 Update Firmware Firmware needs to be updated when changing the HMI. Please contact your ABB sales office for information. See Figure 1. 3.2.2_3 3.2.2 Set the ID The ID of the Softstarter has to be changed when the PCBA has been changed and after updating firmware.

  • Page 20: Reset To Factory Defaults

    3.2.3 Reset to factory defaults Switch on the power supply (terminal 1 and 2). Push ”Menu” to reach Menu. to navigate to Settings and then push ”Select”. to navigate to Reset to defaults and then push ”Select”. to navigate to Reset all parameters and then push ”Select”.

  • Page 21: Change The Hmi, Disconnect/Connect The Main Power Cables And The Control Cables

    Change the HMI, Disconnect/ Connect the main power cables and the control cables This chapter describes how to change the HMI, disconnect or connect the main power cables and the control cables prior to performing service on the softstarter. WARNING. HAZARDOUS VOLTAGE Always make sure that the power supply is switched off before doing maintenance on the Softstarter.

  • Page 22: Change The Hmi

    Dock the HMI module by pushing the rear end downwards and carefully snap the module into position. Procedures after HMI replacement Firmware needs to be updated when changing 3.3.2_2 the HMI. Please contact your ABB sales office for information. Service PSTX210...370 | Service Manual | 1SFC13105M0201...

  • Page 23: Disconnect The Main Power Cables And The Control Cables

    3.3.3 Disconnect the main power cables and the control cables WARNING. HAZARDOUS VOLTAGE Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic strap should be worn on the wrist, and be connected to an electrical ground, to prevent electrostatic discharge (ESD) damage to the...

  • Page 24: Connect The Main Power Cables And The Control Cables

    3.3.4 Connect the main power cables and the control cables WARNING. HAZARDOUS VOLTAGE Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic strap should be worn on the wrist, and be connected to an electrical ground, to prevent electrostatic discharge (ESD) damage to the...

  • Page 25: Service Of The Pcba

    Service of the PCBA This chapter describes changing of the PCBA. WARNING. HAZARDOUS VOLTAGE Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic strap should be worn on the wrist, and be connected to an electrical ground, to prevent electrostatic discharge (ESD) damage to the...

  • Page 26: Change The Pcba

    3.4.1 Change the PCBA WARNING. HAZARDOUS VOLTAGE Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic strap should be worn on the wrist, and be connected to an electrical ground, to prevent electrostatic discharge (ESD) damage to the Softstarter.
  • Page 27 Disconnect the thermal sensor cable and fan cables from the PCBA Disconnect the three fan cables from their terminals on the PCBA using a long-nose plier. Disconnect the thermal sensor cable from its terminal on the PCBA using a long-nose plier. Slide out the cables from the cable holders located on bracket.
  • Page 28 Set the ID of the Softstarter after changing the PCBA, as described in chapter 3.2.2, step 1-6. Firmware needs to be updated when changing the HMI. Please contact your ABB sales office for information. Service PSTX210...370 | Service Manual |...

  • Page 29: Change The Fans, Bypass Contactor And Current Transformers

    Change the Fans, Bypass contactor and Current transformers This chapter describes changing of the Fans, Bypass contactor and Current transformers. WARNING. HAZARDOUS VOLTAGE Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING When performing maintenance on the Softstarter, an antistatic strap must be used.

  • Page 30: Change The Fans

    3.5.1 Change the fans DISMANTLE THE SOFTSTARTER Remove main power cables and control cables Disconnect the main power cables and the control cables as described in chapter 3.3.3, step 1-3. Remove cover and PCBA Dismantle the front cover, all cables and the PCBA as described in chapter 3.4.1, step 1-5.

  • Page 31: Change The Bypass Contactor

    3.5.2 Change the Bypass contactor DISMANTLE THE SOFTSTARTER Remove main power cables and control cables Disconnect the main power cables and the control cables as described in chapter 3.3.3, step 1-3. Remove cover and PCBA Dismantle the front cover, all cables and the PCBA as described in chapter 3.4.1, step 1-5.
  • Page 32 Place new bypass contactor Place the new bypass contactor in the unit and align it to screw mounting points. Tx 25 (0,5Nm) Tx 30 (8Nm) Fasten bypass contactor with M5 x 18 M6 x 25 (4x) Torx 25 M3x8 (0,5Nm). Fasten bypass contactor additionally with (3x) Torx 30 M6x25 (8Nm).

  • Page 33: Change The Current Transformers

    3.5.3 Change the Current transformers DISMANTLE THE SOFTSTARTER Remove main power cables and control cables Disconnect the main power cables and the control cables as described in chapter 3.3.3, step 1-3. Remove cover and PCBA Dismantle the front cover, all cables and the PCBA as described in chapter 3.4.1, step 1-5.
  • Page 34 Place new current transformer Make sure that the ratio value of the new current transformer correspond to previously installed Hex no. 8 (12Nm) Tx 25 (3Nm) current transformer. Verify the ratio according to M10 x 60 M5 x 18 Table 6 below. Make sure cables of new current transformer gets connected in accordance to previously made markings.

  • Page 35: Change The Scr

    Change the SCR This chapter describes changing of the SCR. WARNING. HAZARDOUS VOLTAGE Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING • SCR and heatsinks must be handled carefully to avoid scratches and other marks.
  • Page 36 3.6.1 Change the SCR DISMANTLE THE SOFTSTARTER Remove main power cables and control cables Disconnect the main power cables and the control cables as described in chapter 3.3.3, step 1-3. Remove cover and PCBA Dismantle the front cover, all cables and the PCBA as described in chapter 3.4.1, step 1-5.
  • Page 37 Remove left phase bar and current transformer Loosen (1x) Hexagon no. 8 M10x60 from Hex no. 8 Tx 25 M10 x 60 M5 x 18 the left phase bar. Also remove sleeve and washer. Loosen (1x) Torx 25 M5x18 from the left phase bar.
  • Page 38 Place new SCR Place the new SCR into the unit and align it to screw mounting points. Hex no. 8 (12Nm) Tx 25 (3Nm) M10 x 20 M5 x 18 Connect the SCR cable to module. Fasten (1x) Torx 25 M5x18 (including square washer) to connect the flexible bar to the SCR.
  • Page 39 Connect flexible bars Connect and fasten the flexible bars with (3x) Torx 30 M6x25 (8Nm). Tx 30 (8Nm) M6 x 25 3.6.1_12 Place PCBA bracket Align the bracket rails to their fixing point to unit and place the PCBA bracket into position. 3.6.1_13 REASSEMBLE THE SOFTSTARTER Place PCBA, cables and front cover...

  • Page 40: 3.7 Instructions For Testing The Scr

    Instructions for testing the SCR IMPORTANT NOTE Only perform the SCR-test if the Softstarter displays one of the following faults: “Short circuit thyristor fault” or “Open circuit thyristor fault” Replace SCR if the result of the test shows under 1 Mohm. WARNING.

  • Page 41: Test The Scr

    3.7.1 Test the SCR IMPORTANT NOTE Only perform the SCR-test if the Softstarter displays one of the following faults: “Short circuit thyristor fault” or “Open circuit thyristor fault” Replace SCR if the result of the test shows under 1 Mohm. Tx 15 Tx 20 M3,5 x 12...
  • Page 42 Detect a shorted SCR The three different phases will give six values. If any of the values shows lower than 1 Mohm there is probably a shortage. Proceed with changing the SCR, see chapter 3.6.1 Change the SCR. Connect SCR cables to PCBA Place the cables in the cable holders located on bracket.
  • Page 43 | Service Manual | Service PSTX210...370 1SFC13105M0201...
  • Page 44 Service PSTX210...370 | Service Manual | 1SFC13105M0201...
  • Page 45 4 Service PSTX470...570 4.1 Introduction 4.1.1 Earth the Softstarter 4.1.2 How to access service parameters 4.2 Configuring the HMI 4.2.1 Update Firmware 4.2.2 Set the ID 4.2.3 Reset to defaults 4.3 Change the HMI, Disconnect/Connect the main power cables and the control cables 4.3.1 Change the HMI 4.3.2 Place new HMI...

  • Page 46: Introduction

    Introduction This service instruction contains step-by-step service of PSTX470...570 Softstarter. Lock/Unlock parameters Push and hold the Options-key, Menu-key and i-key simultaneous for 2 seconds in order to lock/ unlock the keypad. This prevents accidental changes of parameters. Parameters are read-only. The earthing cable length Still Start/Stop and R/L is active.

  • Page 47: Configuring The Hmi

    This chapter describes how update firmware, set the ID and how to reset the Softstarter to default. 4.2.1 Update Firmware Firmware needs to be updated when changing the HMI. Please contact your ABB sales office for information. See Figure 1. 4.2.1_1 4.2.2 Set the ID The ID of the Softstarter has to be changed when the PCBA has been changed and after updating firmware.

  • Page 48: Reset To Defaults

    4.2.3 Reset to defaults Switch on the power supply (terminal 1 and 2). Push ”Menu” to reach Menu. to navigate to Settings and then push ”Select”. to navigate to Reset to defaults and then push ”Select”. to navigate to Reset all parameters and then push ”Select”.

  • Page 49: Change The Hmi, Disconnect/Connect The Main Power Cables And The Control Cables

    Change the HMI, Disconnect/ Connect the main power cables and the control cables This chapter describes how to change the HMI, disconnect or connect the main power cables and the control cables prior to performing service on the softstarter. CAUTION Always make sure that the power supply is switched off before doing maintenance on the Softstarter.

  • Page 50: Change The Hmi

    Dock the HMI module by pushing the rear end downwards and carefully snap the module into position. Procedures after HMI replacement 4.3.2_2 Firmware needs to be updated when changing the HMI. Please contact your ABB sales office for information. Service PSTX470...570 | Service Manual | 1SFC13105M0201...
  • Page 51 4.3.3 Disconnect the main power cables and the control cables CAUTION Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic strap should be worn on the wrist, and be connected to an electrical ground, to prevent electrostatic discharge (ESD) damage to the...
  • Page 52 4.3.4 Connect the main power cables and the control cables CAUTION Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic strap should be worn on the wrist, and be connected to an electrical ground, to prevent electrostatic discharge (ESD) damage to the...
  • Page 53 Service of the PCBA This chapter describes changing of the PCBA. CAUTION Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic strap should be worn on the wrist, and be connected to an electrical ground, to prevent electrostatic discharge (ESD) damage to the...

  • Page 54: Disconnect The Main Power Cables And The Control Cables

    4.4.1 Change the PCBA CAUTION Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic strap should be worn on the wrist, and be connected to an electrical ground, to prevent electrostatic discharge (ESD) damage to the Softstarter.
  • Page 55 Place new PCBA on PCBA bracket Note that rubber bushings shall be mounted on the PCBA prior to assembly. Position the bracket so that ABB:s logotype appears upside down on the upper end. Place the new PCBA on the bracket by sliding it onto bracket from the right direction until attached to the peg in the lower left corner.
  • Page 56 Set the ID of the Softstarter after changing the PCBA, as described in chapter 4.2.2, step 1-6. 4.4.1_11 Firmware needs to be updated when changing the HMI. Please contact your ABB sales office for information. Service PSTX470...570 | Service Manual | 1SFC13105M0201...
  • Page 57 Change the Fans, Bar holders and Current transformers This chapter describes changing of the Fans, Current transformers and Bar holders. CAUTION Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING When performing maintenance on the Softstarter, an antistatic strap must be used.
  • Page 58 4.5.1 Change the Fans DISMANTLE THE SOFTSTARTER Remove main power cables and control cables Disconnect the main power cables and the control cables as described in chapter 4.3.3, step 1-3. Tx 20 Remove cover and PCBA M4 x 8 Dismantle the front cover, all cables and the PCBA as described in chapter 4.4.1, step 1-5.
  • Page 59 4.5.2 Change the Bar holders DISMANTLE THE SOFTSTARTER Remove main power cables and control cables Disconnect the main power cables and the control cables as described in chapter 4.3.3, step 1-3. Remove cover and PCBA Dismantle the front cover, all cables and the PCBA as described in chapter 4.3.1, step 1-5.
  • Page 60 Remove first internal phase bar Loosen (2x) Torx 30 M6x25 and remove the first internal phase bar. Note that one screw is Tx 30 M6 x 25 mounted on cooling tower. 4.5.2_5 Remove angle brackets Loosen (4x) Torx 30 M6x25 and remove the two angle brackets.
  • Page 61 Tx 30 M6 x 16 Position the current transformer with the cable (8Nm) facing upwards and the ABB logotype facing outwards from bar holder. Place the current transformer on the bar holder and mount the phase bar through the current transformer.
  • Page 62 4.5.4 Assemble the Softstarter CAUTION Use protective gloves when working with cover plates to prevent cutting injuries. Tx 30 M6 x 16 (8Nm) Place bottom bar holder Place the bar holder to the unit and align it correctly to phases and screw holes. Fasten with (2x) Torx 30 M6x16 (8Nm).
  • Page 63 Place fan cover Thread the fan cables through the cable inlets. Fasten fan cover to the unit with (6x) Torx Tx 20 20 M4x8 (2,9Nm). Screws are to be mounted in M4 x 8 (2,9 Nm) each corner, and on the center bracket, of the fan cover.
  • Page 64 Change the Bypass contactor This chapter describes how to change of the By-pass Contactor. CAUTION Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic strap should be worn on the wrist, and be connected to an electrical ground, to prevent electrostatic discharge (ESD) damage to the...
  • Page 65 4.6.1 Change the Bypass contactor DISMANTLE THE SOFTSTARTER Remove main power cables and control cables Disconnect the main power cables and the control cables as described in chapter 4.3.3, step 1-3. Remove cover and PCBA Dismantle the front cover, all cables and the PCBA as described in chapter 4.4.1, step 1-5.
  • Page 66 Remove first internal phase bar Loosen (2x) Torx 30 M6x25 and remove the first internal phase bar. Note that one screw is Tx 30 M6 x 25 mounted on cooling tower. 4.6.1_4 Remove angle brackets Loosen (4x) Torx 30 M6x25 and remove the two angle brackets.
  • Page 67 Remove bypass contactor Remove the bypass contactor by lifting it outwards from unit. Dispose of expended bypass contactor. 4.6.1_8 Place new bypass contactor Place the new bypass contactor in the unit with terminals 1L1, 3L2 and 5L3 facing inwards. Align to phase rails.
  • Page 68 4.6.2 Assemble the Softstarter Please don’t forget to vacuum clean the Softstarter from dirt and dust when reassembling. CAUTION Hexagon n.8 Hexagon n.4 Use protective gloves when working with cover M10x40 M5x100 (28Nm) (2,9Nm) plates to prevent cutting injuries. Place phase rails and fasten screws Mount the phase rails to the bypass contactor (terminals 2T1, 4T2 and 6T3).
  • Page 69 Place side- and front covers Make sure to position side covers with dual locking rails facing upwards prior to assembly. Interlock the side covers to rails and attach them to support brackets mounted on cooling towers. Place the front cover on the unit and interlock to rails.
  • Page 70 Change the SCR This chapter describes how to change the SCR. CAUTION Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING • SCR and heatsinks must be handled carefully to avoid scratches and other marks.
  • Page 71 4.7.1 Change the SCR DISMANTLE THE SOFTSTARTER Remove main power cables and control cables Disconnect the main power cables and the control cables as described in chapter 4.3.3, step 1-3. Remove cover and PCBA Dismantle the front cover, all cables and the PCBA as described in chapter 4.4.1, step 1-5.
  • Page 72 Remove brackets Tx 30 Loosen (2x) Torx 30 M6x25 and remove the M6 x 16 M6 x 25 angle bracket from cooling tower. Loosen (2x) Torx 30 M6x16 and remove the bolted bar from cooling tower. Loosen screw that attach phase rail to cooling tower (1x) Torx 30 M6x16.
  • Page 73 4.7.2 Assemble the Softstarter Please don’t forget to vacuum clean the Softstarter from dirt and dust when reassembling. CAUTION Use protective gloves when working with cover plates to prevent cutting injuries. Place new SCR Make sure that the symbol and type specification of the new SCR corresponds to previously installed SCR prior to assembly.
  • Page 74 Fasten brackets Fasten screw that attach phase rail to cooling tower (1x) Torx 30 M6x16 (8Nm). Tx 30 Place the bolted bar on the cooling tower and M6 x 16 M6 x 25 fasten with (2x) Torx 30 M6x16 (8Nm). (8Nm) Place the angle bracket on the cooling tower and fasten with (2x)
  • Page 75 Instructions for testing the SCR IMPORTANT NOTE Only perform the SCR-test if the Softstarter displays one of the following commandos: “Short circuit fault” or “Open circuit thyristor fault”. Replace SCR if the result of the test shows under 1 Mohm. CAUTION Always make sure that the power supply is switched off before doing maintenance on the...
  • Page 76 4.8.1 Test the SCR IMPORTANT NOTE Only perform the SCR-test if the Softstarter displays one of the following commandos: “Short circuit fault” or “Open circuit thyristor fault”. Replace SCR if the result of the test shows under 1 Mohm. DISMANTLE THE SOFTSTARTER Remove main power cables and control cables Disconnect the main power cables and the control...
  • Page 77 Switch the Megger cables Switch the connection according to figure 6: Connect the red megger contact to the main 250V 500V terminal 1L1 on the Softstarter. 1000V Connect the black megger contact to the main terminal 2T1 on the Softstarter. 250V 500V Set the megger on 500V.
  • Page 78 Change the Stays (For type PSTX470...570) This chapter describes how to change the Stays. CAUTION Always make sure that the power supply is switched off before doing maintenance on the Softstarter. WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic strap should be worn on the wrist, and be connected to an electrical ground, to prevent electrostatic discharge (ESD) damage to the...
  • Page 79 4.9.1 Change the Stays DISMANTLE THE SOFTSTARTER Remove main power cables and control cables Disconnect the main power cables and the control cables as described in chapter 4.3.3, step 1-3. CAUTION Use protective gloves when working with stays to prevent cutting injuries. Remove left and right stays Rotate the Softstarter to the right.
  • Page 80 Service PSTX470...570 | Service Manual | 1SFC13105M0201...
  • Page 81 5 Wiring Diagrams 5.1 Circuit diagram PSTX 5.1.1 Circuit diagram PSTX30...PSTX1250 (IEC version) 5.1.2 Circuit diagram PSTX30...PSTX1250 (UL version) | Service Manual | Wiring Diagrams 1SFC13105M0201...
  • Page 82 Circuit diagram PSTX 5.1.1 Circuit diagram PSTX30...PSTX1250 (IEC version) CAUTION Terminal 22 is a function earth, it is not a protection earth. It shall be connected to the mounting plate. +24V Internal control voltage DGND Stop Start 20, 21 Low Voltage Board Stop Start Internal control voltage...
  • Page 83 | Service Manual | Wiring Diagrams 1SFC13105M0201...
  • Page 84 6 Revisions The following revisions is done on this document: Table 5 Document number Revision Chapter Description Date First release 2015-12-07 1SFC13105M0201 Revisions | Service Manual | 1SFC13105M0201...
  • Page 85 | Service Manual | Revisions 1SFC13105M0201...
  • Page 86 Contact us ABB AB Control Products Low voltage Products SE-721 61 Västerås, Sweden Telephone: +46 (0) 21 32 50 00 www.abb.com/lowvoltage © Copyright 2013, All rights reserved. Specification subject to change without notice.

This manual is also suitable for:

Pstx210Pstx470Pstx570

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