ABB PCD237A101 3BHE028915R0101 Excitation Unit Controller

Regulation Function: Provides precise and stable voltage regulation and excitation current regulation for synchronous generators, ensuring the stability of generator output voltage and power quality.

Protection Function: Equipped with multiple protection functions to protect both the generator and the module itself, effectively addressing various potential fault conditions and ensuring the safe operation of equipment.

Communication Function: Supports communication with upper computers or other control devices, enabling data exchange through standard protocols such as Ethernet/IP, Profinet, and Modbus, which facilitates remote monitoring and system integration.

Fault Diagnosis Function: Capable of quickly diagnosing faults to help users locate and solve problems rapidly, reducing equipment downtime and improving system availability.

User-Friendly Interface: May be equipped with LED indicators to provide intuitive status indication for convenient user monitoring and fault diagnosis.

Net Weight: 0.2 kg, lightweight for easy installation and handling.

Data Electrical Interface: Adopts a 9-pin Sub_D jack connector, supports Profibus DP bus standard, and communication rates include 9.6kBit/s, 19.2kBit/s, 45.45kBit/s, 93.75kBit/s, 187.5kBit/s, 500kBit/s, 1.5Mbit/s, 6Mbit/s, and 12Mbit/s.

Power Supply and Protection: Dual-power redundant input, DC (9–36)V, typical DC24V, power consumption <4W. It has DC1500V voltage isolation and reverse connection protection. The relay alarm output supports link fault and power failure alarm outputs, with contact capacity of DC48V/1A.

Protection Level: IP30 protection level, using a corrugated aluminum reinforced casing, supporting standard industrial 35mm rail installation, adapting to industrial environments, and having certain dust and foreign object intrusion resistance.

Power Generation Field: Mainly applied to the excitation control of synchronous generators, ensuring that generators stably output qualified electric energy in power plants and other places. It is widely used in various power generation scenarios such as thermal, hydropower, and wind power.

Industrial Automation: Can be used in industrial automation systems requiring precise voltage and current control, such as drive control of large motors and technological processes with high requirements for power stability, such as electroplating.

Marine Applications: In the marine power system, it provides excitation control for marine generators, ensuring the stable operation of the marine power system and meeting the power demand of various equipment on board.

Serial Communication Interface

Ethernet Interface (Optional)

Digital Output (DO)

Analog Output (AO)

Compatible with input communication interfaces, supporting the output of internal data (such as measured values, fault statuses) to external systems through Modbus, Profibus, or Ethernet protocols for remote monitoring.

Pulse Input/Output

Synchronous Clock Interface