Digital Excitation Control System (DECS-250)

Additional Features:

• True RMS sensing, Single or Three Phase voltage and current
• Full Generator Metering Capabilities
• AVR / FCR / FVR, Power Factor and var modes of operation
• Integrated Generator Protection ( 27/59, 81O/U, 32R, 40Q), EDM, 59F, 51F, Loss of PMG, Field Short Circuit, and 25 Sync Check
• Configurable Protection
• Overexcitation Limiting (with temperature compensation)
• Underexcitation Limiting
• Stator Current Limiting (with temperature compensation)
• Var Limiting
• Underfrequency Limiting or V/Hz Limiting
• Exciter Diode Monitoring
• Trending, Oscillography, and Sequence of Events Recording
• Sixteen Programmable Contact Inputs
• Twelve Programmable Contact Outputs
• I/O Expansion Module compatibility (CEM-2020 and AEM-2020)
• Extensive Communication Options:
  • USB Communication
  • Modbus™ RS-485 RTU
  • J1939 CANbus
  • Ethernet -100 Base T (Modbus TCP)
  • Ethernet -100 Base F (optional)
  • Profibus (optional)