What should I do if my ABB PSTX370 displays 'Heatsink overtemperature'?
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.
What does it mean when my ABB PSTX370 displays 'Under voltage'?
An undervoltage error indicates that the main voltage is too low. Perform a check of the main voltage.
What does it mean when my ABB Controller displays 'Overvoltage'?
An overvoltage error indicates that the main voltage is too high. Perform a check of the main voltage.
What should I do if my ABB PSTX370 displays 'Locked rotor'?
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.
What does it mean when my ABB PSTX370 Controller displays 'Ground fault'?
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.
Critical safety warnings for handling hazardous voltage, installation, and power supply connection.
Instructions for connecting the main power circuit to the softstarter terminals.
Guidelines for connecting control supply voltage and functional earth to the softstarter.
Instructions for connecting start/stop circuits, programmable inputs, and signal output relays.
Details on switching operational voltage, Modbus, sensor, and analog output interfaces.
Detailed description of all Human Machine Interface (HMI) components and their functions.
Procedures for first start-up using the assistant and configuration menu.
Important note on setting the motor rated current 'le' based on connection type.
Guide to navigating the HMI and setting operational parameters.
Overview of option menus and a critical warning about unexpected motor starts.
General| Product Type | Softstarter |
|---|---|
| Rated Operational Current - In Line Connection | 370 A |
| Rated Operational Current - Inside Delta Connection | 640 A |
| Enclosure Rating | IP00 |
| Rated Frequency | 50/60 Hz |
| Overload Protection | Yes |
| Coasting Stop | Yes |
| Built-in Bypass Contactor | Yes |
| Degree of Protection | IP00 |
| Communication Options | Modbus RTU |
| Protection Features | Overload protection |
| Trip Class | 10 |
| Initial Voltage During Start | Adjustable 30-70% |
| Ramp Time | 30 s |
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