Products Description
ABB PDD500A101 3BHE037649R0101 Power Drive Processor Board

Technical Specifications
Model: PDD500A101
Part Number: 3BHE037649R0101
Brand: ABB
Product Type: Power drive processor board
Matching System: ABB AC800PEC controller, large converter & excitation system
Power Supply: 24VDC
Communication Interface: Ethernet, Serial port, ModuleBus
Control Performance: Fast control loop, minimum task cycle 1ms
Installation Method: Rack plug‑in card installation
Operating Temperature: ‑20℃ ~ +55℃, non‑condensing
Protection Class: IP20
Weight: 0.78kg
Dimension: 215mm ×165mm ×35mm
Compatible System: Medium‑high voltage converter, generator excitation cabinet, metallurgy drive equipment
Core Function: High‑speed processing core for power electronic control system, executes high‑speed control algorithm, generates drive control signals for power semiconductor devices, completes closed‑loop regulation, signal acquisition and system communication, ensures stable operation of large‑capacity power conversion equipment.

Product Details
The PDD500A101 3BHE037649R0101 is power drive processor board for ABB AC800PEC high‑performance control platform.
This board is the core processing unit for large power electronic equipment. It undertakes high‑speed real‑time calculation of control loops, generates driving signals for power semiconductors such as IGCT, and implements speed, current and voltage closed‑loop control for converters and excitation systems.
Equipped with Ethernet and serial communication interfaces, it realizes data interaction with upper‑level system and other control boards. ModuleBus backplane bus completes high‑speed data exchange inside the rack.
Built‑in hardware self‑diagnosis function can detect module power failure, communication abnormality and internal operation fault, output corresponding alarm information to the main control system.
Conformal coated circuit board improves anti‑interference, moisture‑proof and dust‑proof performance, adapts to harsh industrial environment of power plant and metallurgical workshop.
Adopts standard rack plug‑in structure, convenient for on‑site inspection, maintenance and module replacement.
Widely applied in overhaul and renovation projects of medium‑high‑voltage frequency converter, generator excitation system and heavy‑duty drive equipment.
It is important spare hardware for power electronic control loop debugging and defective PDD500A101 board replacement.