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- ABB
- 1SFB536171A1106
- PSTX Softstarter Drive Board
- Sweden (SE)
- 150 × 25 × 100 mm
- 0.2 kg
- Xiamen, China
- New & In Stock
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- 1 Year
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Product Overview
The ABB 1SFB536171A1106 is a PSTX Softstarter Drive Board used within ABB PSTX softstarter assemblies. It belongs to the internal drive circuitry that links the softstarter control electronics with the power-control section responsible for regulating electrical power delivered to the motor.
During operation, the drive board processes the drive-side signals required by the PSTX power section. Its operation is coordinated with the main control electronics so that the power-switching devices respond to the configured motor-starting and stopping commands.
The board is relevant to industrial motor applications where controlled acceleration and stopping are required. PSTX softstarters are commonly used for pumps, fans, compressors, conveyors, water-treatment equipment, and other motor-driven machinery.
For service engineers, the drive board should be considered together with the PSTX control board, power section, internal connectors, protection circuitry, and motor circuit. A fault in any associated component can affect the switching response of the complete softstarter.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | 1SFB536171A1106 |
| Product Family | PSTX Softstarter |
| Product Type | Softstarter Drive Board |
| Primary Function | Softstarter drive control |
| System Role | Power-control drive interface |
| Application | Industrial motor starting and control |
| Dimensions | 150 × 25 × 100 mm |
| Weight | 0.2 kg |
Product Features
- PSTX series drive board for ABB softstarter systems
- Supports the drive path between control electronics and the power section
- Coordinates drive signals for associated power-switching circuitry
- Supports controlled motor starting and stopping
- Suitable for industrial motor-control applications
- Works with the PSTX control and power architecture
- Applicable to service and replacement of compatible PSTX softstarter assemblies
Working Principle
The 1SFB536171A1106 operates in the drive-control path of the PSTX softstarter. The main control electronics generate operating commands according to the configured starting or stopping sequence, while the drive board transfers the corresponding drive-side signals toward the power-control circuitry.
During motor starting, the drive board supports the controlled activation of the power section. This allows the PSTX softstarter to regulate how electrical power is applied to the motor, reducing the abrupt electrical and mechanical effects associated with direct starting.
When a controlled stopping function is configured, the drive circuitry continues to support the required switching sequence until the motor reaches the intended stopping condition.
PSTX Control Electronics → 1SFB536171A1106 Drive Board → PSTX Power Section → Motor
The drive board does not independently execute the complete softstarter strategy. Its operation depends on the control electronics, power section, protection functions, and internal connections operating correctly.
Role in an ABB PSTX Softstarter Control Architecture
The 1SFB536171A1106 forms part of the internal drive layer of the PSTX softstarter. It connects control-side processing with the power-control section that regulates motor power during the starting and stopping sequence.
PLC / Control Circuit → PSTX Control Electronics → Drive Board → Power Section → Motor
| System Element | Function |
|---|---|
| PLC / Controller | Provides automatic motor-control commands |
| Control Circuit | Transfers start, stop, and auxiliary signals |
| PSTX Control Electronics | Processes operating commands and system conditions |
| 1SFB536171A1106 | Transfers drive-side control signals |
| PSTX Power Section | Regulates electrical power supplied to the motor |
| Motor Protection | Monitors and protects the motor circuit |
| Motor | Converts electrical power into mechanical output |
| Driven Equipment | Performs the required industrial process |
The drive board therefore acts as an intermediate interface between control processing and the PSTX power section.
Industrial Applications
| Application | Typical Use |
|---|---|
| Pump Systems | Controlled starting and stopping of pump motors |
| HVAC Equipment | Soft starting of fans and blowers |
| Compressor Systems | Managing motor acceleration during compressor startup |
| Conveyor Systems | Reducing mechanical stress during conveyor startup |
| Water Treatment | Starting pumps and process motors |
| Process Machinery | Controlled motor operation in production equipment |
| Material Handling | Starting motor-driven handling equipment |
| Industrial Plants | Motor control within automated plant systems |
Installation and Maintenance
- Confirm that the 1SFB536171A1106 matches the installed PSTX softstarter configuration before replacement.
- Isolate the softstarter from all hazardous electrical energy before accessing internal components.
- Follow the applicable discharge and electrical safety procedures before working inside the softstarter.
- Record existing board connections and connector positions before removing the original drive board.
- Use appropriate ESD precautions when handling the electronic board.
- Inspect connectors and board interfaces for contamination, loose connections, or physical damage.
- Check the associated PSTX control board and power section for abnormal conditions before installing the replacement.
- Install the drive board in the correct position and ensure all connectors are fully seated.
- Verify internal wiring against the approved PSTX electrical documentation.
- Restore control power and check PSTX initialization and diagnostic indications.
- Test external commands and perform a controlled motor-start and stopping sequence.
- Verify protection functions, drive response, and normal motor operation before returning the equipment to service.
Compatible System Components
| Component | Function |
|---|---|
| ABB PSTX Softstarter | Complete softstarting and motor-control system |
| PSTX Control Board | Processes softstarter operating logic |
| PSTX Power Section | Controls electrical power delivered to the motor |
| Motor Protection Devices | Protect the motor and electrical circuit |
| PLC / Controller | Provides automatic operating commands |
| HMI / Operator Panel | Provides local monitoring and control |
| Communication Interface | Exchanges control and diagnostic information |
| Motor | Receives controlled electrical power |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| ABB PSTX Softstarter Series | Softstarter | Industrial motor starting and control |
| ABB PSTX Drive Boards | Drive Board | Softstarter drive functions |
| ABB PSTX Control Boards | Control Board | Control and processing functions |
| ABB PSTX Power Sections | Power-Control Section | Controlled motor power switching |
| ABB PSTX Power Supply Boards | Power Supply Board | Internal electronic power supply |
| ABB PSTX Communication Modules | Communication Module | Network monitoring and control |
| ABB PSTB Softstarter Series | Softstarter | Industrial motor starting applications |
Key Advantages
- Forms part of the internal drive path of the PSTX softstarter.
- Transfers control actions toward the PSTX power-control section.
- Supports controlled motor starting and stopping.
- Suitable for industrial motor-control assemblies.
- Useful for troubleshooting and replacement of PSTX drive-section components.
- Works with the PSTX control, power, and protection architecture.
Technical FAQs
What is the role of the 1SFB536171A1106 in a PSTX softstarter?
It functions as an internal drive-board component, transferring the required drive-side signals between the PSTX control electronics and the associated power-control section.
Can a failed drive board prevent a motor from starting?
Yes. If the drive path cannot deliver the required signals to the power section, the softstarter may receive a valid start command but fail to produce the expected power-switching response.
What should be checked before identifying the drive board as defective?
Check the control command, PSTX status and diagnostics, internal connectors, control board, power section, protection conditions, and motor circuit. These checks help distinguish a drive-board fault from a problem elsewhere in the softstarter.
What is the correct approach after replacing the drive board?
Verify the board installation and internal connections first. Then check initialization, diagnostics, external commands, protection functions, and power-section response before performing a controlled motor-start and stopping test.