Technical Specifications Supply voltage: 24 V DC; Speed input: variable reluctance magnetic pickup signal; Analog output: 4–20 mA; Operating temperature: -40 °C to +85 °C; Enclosure rating: IP30.
Functional Features Closed-loop speed PID regulation; overspeed detection and alarm; configurable analog I/O; parameter storage and fault logging.
Application Scenarios Gas gensets, diesel generator sets, small steam turbine speed and load governing systems.
Performance Parameters Speed governing accuracy: ±0.25% of rated speed; Control loop response: <50 ms.
Material Composition Metal housing; multilayer printed circuit board; isolated signal terminal blocks; surge protection components.
Structural Characteristics Panel-mounted compact metal casing; front interface for parameter setup; terminal block for power, speed sensor and control signals.
Working Principle The module receives the pulse speed signal from magnetic pickup, compares actual rotational speed with setpoint, executes PID algorithm and outputs 4–20 mA command signal to adjust fuel actuator and stabilize engine speed.
Installation Requirements Mount inside control cabinet; connect speed pickup, DC power and analog output wiring; set engine parameters and tune PID gains.
Usage Notes Use shielded cable for speed signal; back up configuration parameters after commissioning; avoid high electromagnetic interference environment.
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