Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | PCD230A |
| Order Code | 3BHE022291R0101 |
| Manufacturer | ABB |
| Product Type | Communication Control Measurement (CCM) Board / Excitation Controller |
| Platform | UNITROL 6000 X-power / AC 800PEC |
| Processor | Dual-core 32-bit RISC, up to 500 MHz |
| Memory | 2 MB – 16 MB RAM, 8 MB – 16 MB Flash |
| Power Supply | 24V DC (9-36V DC wide range), redundant input |
| Power Consumption | < 4W (typical) |
| Communication Interfaces | Ethernet, RS-232, RS-485, CAN, Profibus DP, Modbus RTU/TCP |
| Working Temperature | -20°C to +70°C (industrial version: -40°C to +75°C) |
| Protection Class | IP20 |
| Dimensions | Approx. 142mm x 73.5mm x 373mm |
| Weight | Approx. 1.5 kg |
Main Features and Advantages
Excitation System Core with Dual-Processor Architecture: The ABB 3BHE022291R0101 is the control heart of the UNITROL 6000 excitation system, executing real-time AVR (automatic voltage regulation), PSS (power system stabilization), and comprehensive excitation limiting (over-excitation, under-excitation, stator current limits) . The ABB PCD230A utilizes a dual-core 32-bit RISC processor architecture, where one core is dedicated to real-time control algorithms and the other handles communication protocols and system logic . This separation of duties ensures that the ABB 3BHE022291R0101 delivers microsecond-level response times essential for grid stability and precise power factor control.
Versatile Communication and System Integration: The ABB PCD230A supports multiple industrial communication protocols, including Ethernet, Profibus DP, Modbus RTU/TCP, CAN, and RS-232/RS-485 interfaces . This extensive connectivity enables seamless integration with ABB’s 800xA DCS, third-party SCADA systems, protective relays, and field devices . The ABB 3BHE022291R0101 functions as a communication gateway, resolving protocol heterogeneity and simplifying system integration, thereby reducing both engineering effort and commissioning time . The module also supports remote configuration and firmware upgrades, significantly simplifying maintenance and system updates.
High Reliability and Redundant Design: Designed for mission-critical power generation applications, the ABB PCD230A features dual power supply redundancy with 9-36V DC wide-range input, hardware watchdog timers, and comprehensive fault self-diagnostics . The ABB 3BHE022291R0101 is engineered with 80V surge protection, overvoltage protection (OVP), undervoltage protection (UVP), overcurrent protection (OCP), and reverse polarity protection to ensure safe operation under abnormal conditions . The module’s industrial-grade design supports extended operating temperature ranges from -40°C to +75°C and provides high shock and vibration resistance for harsh environments .
Advanced Processing and Control Capabilities: The ABB PCD230A combines floating-point computing performance with FPGA flexibility, supporting control algorithm cycle times as low as 100 microseconds for fast control loops . The ABB 3BHE022291R0101 supports IEC 61131-3 programming languages and MATLAB/Simulink for model-based design, enabling seamless transition from simulation to implementation . Full integration with ABB Ability System 800xA allows innovative and flexible use of FPGA to add protocols and application functions, enhancing scalability and overall system performance .
