The Allen-Bradley 1336-BDB-SP45D Gate Driver PC Board is a critical replacement and maintenance component designed for the 1336 series of adjustable frequency AC drives. Engineered to regulate power semiconductor switching within the drive inverter section, this board ensures precise control, high electrical isolation, and reliable gate signals for optimal motor performance. Built to industrial-grade standards, the 1336-BDB-SP45D Gate Driver Board helps maintain drive efficiency and prevents catastrophic semiconductor failures in demanding manufacturing and processing environments.
Technical Specifications & Datasheet
- Brand: Allen-Bradley (Rockwell Automation)
- Model: 1336-BDB-SP45D
- Series: 1336 Impact / Force / Plus Drive Series
- Product Name: Gate Driver PC Board
- Place of Origin: United States / Global Manufacturing
- Product Status: In Stock / Factory Surplus
- Dimensions: 200 mm x 120 mm x 30 mm
- Weight: 0.35 kg
- Power Supply: DC regulated voltage supplied via drive backplane
- Discontinuation Status: Yes (Legacy Product, supported via aftermarket parts)
Parameter Configuration and Modification Methods
Gate driver printed circuit boards generally do not require software-based configuration, as they function as hardware-level interface and signal amplification boards. However, setup and verification involve specific physical steps:
- Jumper Settings: Check the physical configuration jumpers on the replacement board against the original unit to ensure proper matching for voltage and gating signals.
- Power Isolation: Ensure all incoming AC and DC bus power to the drive is completely locked out and discharged before handling internal boards.
- Physical Installation: Carefully seat the board into its designated slot within the drive chassis, securing all fastening screws and ribbon cable connectors securely.
- Post-Installation Check: Measure DC bus voltage levels and verify fault indicator LEDs on the main control board before attempting a powered motor run.
Manual / Automatic Mode Switching
Operation modes for drive gate driver circuits are dictated entirely by the main drive controller rather than the board itself.
- Automatic Mode: The drive processor dynamically sends PWM (Pulse Width Modulation) switching commands through the gate driver board to control motor speed and torque automatically based on active run references.
- Manual Mode: Local operator terminal (HMI) or analog potentiometer overrides allow manual frequency and speed adjustments while the gate driver faithfully replicates the control signals.
- Switching Procedure: Mode transitions are managed via software parameters in the drive firmware or digital input terminals, requiring no physical adjustments to the gate driver board itself.
Frequently Asked Questions (Q&A)
- Q: What is the primary function of the 1336-BDB-SP45D board?
- A: It amplifies control signals from the main processor to drive the IGBTs or power devices within the inverter stage of an Allen-Bradley 1336 drive.
- Q: Is this board currently available in stock?
- A: Yes, this legacy unit is maintained in inventory as a tested replacement part to support older installed drive systems.
- Q: What precautions are necessary when replacing this PC board?
- A: Standard electrostatic discharge (ESD) wrist straps must be worn, and technicians must verify that the high-voltage DC bus capacitors are fully discharged.
Recommended Alternative Models from Allen-Bradley
- Allen-Bradley 1336-BDB-SP45C – Gate Driver PC Board Variant
- Allen-Bradley 1336-MOD-xx – Drive Modification and Interface Cards
- Allen-Bradley 1336BR-SPxxx – Braking Transistor Board
- Allen-Bradley 1336-CON-SPxx – Control Interface Board
- Allen-Bradley PowerFlex 700 – Modern AC Drive Series (Alternative Upgrade)
- Allen-Bradley PowerFlex 70 – Compact AC Drive Solution
- Allen-Bradley 20B – PowerFlex 700H Control Board
- Allen-Bradley 1336T – Transistor Inverter Subassembly
- Allen-Bradley 1336F – Impact Drive Control Module
- Allen-Bradley 1336S – Plus Series Control Interface
