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- ABB
- 1SFB536068D1023
- High Voltage Drive Board
- Sweden (SE)
- 250 × 35 × 230 mm
- 0.4 kg
- Xiamen, China
- New & In Stock
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Product Overview
The ABB 1SFB536068D1023 is a PSTB Softstarter High Voltage Drive Board used within ABB PSTB softstarter systems. It belongs to the drive and power-control section of the softstarter and works with the associated control electronics to regulate the switching of electrical power during motor starting and stopping.
In a PSTB installation, the drive board operates between the softstarter control circuitry and the power semiconductor section. Control signals generated by the softstarter electronics are translated into the appropriate drive actions for the high-power switching devices, allowing the motor voltage to be controlled during the starting sequence.
This type of board is relevant to industrial motor applications where high-power motors require controlled acceleration and stopping. PSTB softstarters are commonly used with pumps, fans, compressors, conveyors, and other large motor-driven equipment where reducing starting stress and limiting the effects of direct-on-line starting are important.
During maintenance, the drive board should be evaluated together with the PSTB control board, power section, gate-drive connections, motor circuit, and protection functions. A drive-board fault can affect power-device switching even when the main control electronics appear to operate normally.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | 1SFB536068D1023 |
| Product Family | PSTB Softstarter |
| Product Type | Softstarter High Voltage Drive Board |
| Primary Function | High-power device drive control |
| System Role | Softstarter power-control interface |
| Application | Industrial motor starting and control |
| Dimensions | 250 × 35 × 230 mm |
| Weight | 0.4 kg |
Product Features
- PSTB series high-voltage drive board for ABB softstarter systems
- Interfaces control signals with the softstarter power-switching section
- Supports controlled operation of high-power switching devices
- Works with the PSTB control and power electronics
- Suitable for industrial motor starting and stopping applications
- Applicable to high-power motor-control systems
- Suitable for service and replacement within compatible PSTB softstarter assemblies
Working Principle
The 1SFB536068D1023 operates in the drive-control path of the PSTB softstarter. The main control electronics generate switching commands based on the configured motor-starting sequence, while the drive board handles the corresponding drive signals for the high-power switching devices.
During starting, the drive board controls the activation of the power devices in coordination with the PSTB control system. The switching sequence determines how electrical power is applied to the motor, allowing the motor to accelerate progressively rather than receiving full line voltage immediately.
The same drive path is used during controlled stopping when the PSTB configuration calls for a managed stop sequence.
PSTB Control Electronics → 1SFB536068D1023 Drive Board → Power Switching Devices → Motor
The board therefore does not independently determine the complete motor-control strategy. Its operation depends on commands from the PSTB control electronics and the correct operation of the associated power section.
Role in an ABB PSTB Softstarter Control Architecture
The 1SFB536068D1023 forms part of the power-drive interface inside an ABB PSTB softstarter. It links the low-level control commands from the electronic control section to the high-power switching circuitry that regulates motor power.
PLC / Control Circuit → PSTB Control Board → Drive Board → Power Section → Motor
| System Element | Function |
|---|---|
| PLC / Controller | Sends motor operating commands |
| Control Circuit | Provides start, stop, and operating signals |
| PSTB Control Board | Processes commands and manages softstarter logic |
| 1SFB536068D1023 | Drives the associated high-power switching section |
| PSTB Power Section | Regulates electrical power delivered 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 is therefore an intermediate power-control interface rather than a standalone controller.
Industrial Applications
| Application | Typical Use |
|---|---|
| Pumping Systems | Controlled starting of high-power pump motors |
| HVAC and Ventilation | Starting large fan and blower motors |
| Compressors | Managing motor acceleration during compressor startup |
| Conveyor Systems | Reducing mechanical shock during conveyor startup |
| Water Treatment | Starting high-power pumps and process motors |
| Industrial Machinery | Controlled starting of large motor-driven equipment |
| Process Plants | Motor control within automated production systems |
| Material Handling | Controlled acceleration of heavy-duty machinery |
Installation and Maintenance
- Confirm that the 1SFB536068D1023 matches the installed PSTB softstarter assembly before replacement.
- Isolate the softstarter from all hazardous electrical energy before opening the equipment.
- Allow the required discharge time for the power section before accessing internal components.
- Record existing drive-board connections and connector positions before removal.
- Use appropriate ESD precautions when handling the electronic board.
- Inspect connectors, terminals, and drive interfaces for contamination, damage, or loose connections.
- Check the associated control board and power section for signs of overheating or abnormal operation.
- Install the replacement board in the correct orientation and fully seat all connectors.
- Verify wiring against the approved PSTB electrical documentation before energizing the system.
- Restore control power and check the PSTB status and diagnostic indications.
- Perform a controlled motor-start and stopping test while monitoring the softstarter response.
- Verify protection functions, external control signals, and power-section operation before returning the equipment to service.
Compatible System Components
| Component | Function |
|---|---|
| ABB PSTB Softstarter | Complete softstarting system for industrial motors |
| PSTB Control Board | Executes softstarter control and processing |
| PSTB Power Section | Performs high-power motor switching |
| Motor | Receives controlled electrical power |
| PLC / Controller | Provides automatic operating commands |
| Motor Protection Devices | Protects the motor and electrical circuit |
| Bypass Contactor | Provides bypass operation when configured |
| HMI / Operator Interface | Provides local monitoring and control |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| ABB PSTB Softstarter Series | Softstarter | High-power industrial motor starting |
| ABB PSTB Control Boards | Control Board | PSTB control and processing |
| ABB PSTB Drive Boards | Drive Board | Power-device drive functions |
| ABB PSTB Power Sections | Power-Control Section | High-power motor switching |
| ABB PSTB Accessories | Softstarter Accessories | Installation and service |
| ABB PSTX Softstarter Series | Softstarter | Advanced industrial motor starting |
Key Advantages
- Interfaces PSTB control electronics with the high-power switching section.
- Supports controlled drive operation of the softstarter power devices.
- Suitable for high-power industrial motor applications.
- Helps maintain the intended PSTB switching sequence during motor starting and stopping.
- Useful for troubleshooting and replacement of drive-section components.
- Works as part of the complete PSTB control and power architecture.
Technical FAQs
What is the difference between the PSTB control board and the 1SFB536068D1023 drive board?
The control board handles higher-level softstarter processing and operating logic, while the drive board belongs to the power-control path and handles drive signals for the associated high-power switching devices.
What symptoms may indicate a drive-board problem?
Possible symptoms include failure of the power section to switch correctly, abnormal motor-start behavior, softstarter diagnostic faults, or a situation where control commands are present but the expected power-device response does not occur. The power section and associated wiring should also be checked.
Why should the PSTB power section be inspected when replacing this board?
The drive board operates directly with the power-switching section. Overheating, damaged switching devices, connector problems, or other power-section faults can produce symptoms similar to a defective drive board.
What should be tested after installing a replacement drive board?
Verify connector installation and control-board communication first. Then check diagnostic status, drive operation, protection functions, and the controlled motor-start sequence under safe commissioning conditions before placing the equipment back into normal service.