ABB PCD237A101 3BHE028915R0101

Description

• Memory
  • 4 MB RAM
  • 4 MB Flash
• Communication Interfaces
  • Ethernet 10/100 Mbit (RJ-45)
  • RS-485 (Modbus RTU / Profibus DP)
  • RS-232 service port
• Environmental Ratings
  • Operating temperature: –25 °C to +70 °C
  • Storage temperature: –40 °C to +85 °C
  • Humidity: 5 % to 95 % RH non-condensing
• Mechanical Data
  • Dimensions: 230 mm × 130 mm × 60 mm
  • Weight: 4.2 kg
  • Mounting: DIN-rail or panel mount
• Certifications
  • CE, UL, CSA

• High-Speed Regulation
  Microsecond-level response for excitation-current adjustment ensures stable generator output during load transients .
• Modular Design
  Hot-swappable construction simplifies maintenance and supports seamless integration with ABB Unitrol system components .
• Comprehensive Protection
  Over-current, over-voltage, under-voltage, field-over-temperature, and diode fault detection safeguard generator and exciter .
• User Interface
  Touch-screen HMI or function-key keypad enables local parameter setting, trend display, and alarm management .
• Multi-protocol Support
  Ethernet, Modbus RTU, and Profibus DP facilitate integration with SCADA, DCS, and remote diagnostic systems .

• Power Generation
  Excitation control for steam, gas, and hydro generators in base-load and peaking plants .
• Industrial Utilities
  Synchronous motor excitation in steel mills, petrochemical plants, and large-scale variable-speed drives .
• Renewable Energy
  Grid-connected wind and solar inverters requiring precise voltage regulation and reactive-power control .
• Test & Commissioning
  Laboratory and field testing of generator sets and excitation systems where fast, repeatable excitation control is essential .