ABB PSTX470 User Manual

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Softstarters Type PSTX30...PSTX570

User Manual short form

1SFC132082M9901

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Installation And Commissioning Manual188 pages

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Questions and Answers:

W
William ScottAug 22, 2025
What causes an electronic overload in my ABB PSTX470 Controller and how can I resolve it?
- E
  eric22Aug 23, 2025
  An electronic overload occurs when the motor current is too high for an extended period, often due to a high load on the motor shaft. To resolve this: * Examine start conditions and EOL settings. * Correct the reason for the overload. * Ensure the current limit level is not set too low. * Verify the ramp time for start is not too long. * Confirm the correct overload class is used. * Check that the Setting Ie parameter is correct.
J
Jason SmithSep 1, 2025
How to troubleshoot phase loss in ABB Controller?
- A
  Anthony TorresSep 1, 2025
  Check that the mains are connected and that no line contactor or breaker is open. Inspect the fuses for all 3 phases, replacing any that are blown. Verify the operation network supply and correct it if there's a power loss on one or multiple phases. Ensure the contactor/breaker or external switch device is closed. If the line contactor opens too quickly at stop, control it with the Run signal relay on terminal 4, adding a time relay before the contactor opens. If Stop Ramp is not necessary, set Stop mode to direct stop.
A
Ann LopezAug 31, 2025
What to do if my ABB PSTX470 motor does not start when given a start command by the hardwire inputs?
- U
  uhicksAug 31, 2025
  First, check the connections for start and stop. Make sure that the start and stop commands are not given at the same time. Ensure that the keypad is not in Local Control mode; if it is, push the R\L-key to change to Remote Control mode. Also, verify that the Fieldbus control parameter is set to No. Finally, reset any active or tripping events.
K
Karen CrosbyAug 29, 2025
What does 'Thyristor overload' mean on my ABB Controller?
- R
  Rebecca LopezAug 30, 2025
  A thyristor overload indicates that the thyristors are too hot. Check the start conditions and the fans. If possible, decrease the current limit. Allow the temperature of the thyristors to decrease before restarting.
C
Craig HenryAug 28, 2025
What should I do if my ABB PSTX470 displays 'Heatsink overtemperature'?
- M
  Marie JohnsonAug 28, 2025
  Ensure that the fans are functioning correctly and that the airways are free from dirt and dust. Also, verify that the ambient temperature is not too high. If the fault persists after a reset, the heatsink is still too hot and needs to cool down.
D
Dana ClarkAug 27, 2025
What does it mean when my ABB Controller displays 'Under voltage'?
- T
  Tonya MunozAug 27, 2025
  An undervoltage error indicates that the main voltage is too low. Perform a check of the main voltage.
M
Michelle BeckerAug 27, 2025
What does it mean when my ABB PSTX470 Controller displays 'Overvoltage'?
- J
  Jose CastroAug 27, 2025
  An overvoltage error indicates that the main voltage is too high. Perform a check of the main voltage.
J
Joshua PerezAug 25, 2025
What should I do if my ABB PSTX470 displays 'Locked rotor'?
- K
  Kevin KirkAug 26, 2025
  Examine the bearings of the motor and the load to ensure they run easily. A damaged bearing or a load stock could be the cause.
T
Thomas WalkerAug 25, 2025
What does it mean when my ABB PSTX470 Controller displays 'Ground fault'?
- J
  John PotterAug 25, 2025
  A ground fault indicates that the sum of the instantaneous line currents in your 3-phase system differs more than the specified value. Examine the motor cables and the motor itself for any issues.

ABB PSTX470 Specifications

General

Type	Softstarter
Output Voltage	220-690V AC
Rated Operational Current - In Line Connection (Ie)	470 A
Rated Power - In Line Connection 690V	560 kW
Weight	22 kg
Control Method	Voltage ramp
Protection Features	Overload, Phase loss
Communication Protocol	Modbus RTU
Operating temperature range	-25°C to +60°C
Input Voltage	208 ... 690 V AC
Input voltage range	220-690V AC

Summary

Read this first

Description

Mounting

Connection

Human Machine Interface HMI

Softstarter settings

First start-up

Guides the user through initial setup and configuration of the softstarter.

Assistants menu

Details the step-by-step wizard for initial configuration tasks.

Troubleshooting

Contact us

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