Technical Specifications Governor section: 505D digital speed governor, 18–32 V DC supply, 1 speed input, 1 analog output; I/O section: 8200-1302 interface, 4 additional analog inputs, 8 digital inputs, 6 relay outputs; communication: RS-485 Modbus RTU; operating temperature: -40 °C to +70 °C; enclosure: IP20; total power consumption: < 12 W.
Functional Features Integrated speed control and expanded I/O; additional analog and discrete signal processing; relay output alarm and control; coordinated fault monitoring; single configuration interface; compact assembled package.
Application Scenarios Engine control with enhanced monitoring, generator set with auxiliary alarm outputs, complex pump and compressor control systems, engine control with multiple process interlocks.
Performance Parameters Speed regulation: ±0.5% of setpoint; I/O response time: < 20 ms; analog input accuracy: ±0.25% full scale; relay operate time: < 15 ms.
Material Composition Flame-retardant plastic housings, FR-4 circuit boards, microcontroller and I/O drivers, silver alloy relay contacts, gold-plated terminal connectors.
Structural Characteristics Stacked governor and I/O module assembly; common front panel indicators; rear terminal blocks for all wiring; standard mounting footprint.
Working Principle The 505D core executes speed control and interfaces with the 8200-1302 expansion module via internal bus. The I/O module acquires additional process signals and outputs relay control and alarm signals, extending the governor’s system integration capability.
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