Technical Specifications Supply voltage: 24 V DC ±10%; generator voltage sensing input: 120–480 V AC, 50/60 Hz; excitation control output: 0–10 V analog; 4 digital inputs, 2 relay outputs; operating temperature: -20 °C to +70 °C; enclosure: IP20; accuracy: ±0.5% full scale.
Functional Features Generator voltage signal conditioning; analog excitation control output; auxiliary digital I/O; voltage level detection; loss-of-sensing protection; status indication.
Application Scenarios Generator excitation control systems, AVR signal interface, small generator voltage regulation, standby generator control panels.
Performance Parameters Voltage sensing accuracy: ±0.5%; output linearity: ±0.5% full scale; response time: < 20 ms; isolation voltage: 1500 V AC.
Material Composition Flame-retardant plastic housing, voltage sensing transformer, analog signal conditioning circuit, electromechanical relays, insulated terminal blocks.
Structural Characteristics Rack plug-in module; front status LEDs; rear screw terminal block; standard mounting footprint.
Working Principle The module steps down and conditions generator voltage sensing signals, processes voltage level detection, and outputs an analog excitation control signal to the AVR power stage, while providing auxiliary digital I/O for control and alarm functions.
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