Woodward 9903-543 Speed Sensor Interface Module

Product Brief Introduction The 9903-543 is a magnetic pickup speed sensor interface module that conditions and converts speed sensor signals for use with Woodward control and protection systems.
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Technical Specifications Input: 2-wire magnetic pickup signal, 50 mV to 50 V AC; output: 4–20 mA proportional to speed, square wave pulse output; speed range: 100–20,000 Hz; 24 V DC supply; operating temperature: -40°C to +85°C; IP40 enclosure.

Functional Features Wide input signal range; signal conditioning and noise filtering; proportional analog output; pulse output for digital systems; signal loss detection; adjustable scaling.

Application Scenarios Engine speed signal conditioning, rotating machinery speed monitoring, generator speed feedback, protection system speed input.

Performance Parameters High signal noise immunity; accurate frequency-to-analog conversion; fast response; reliable signal loss detection.

Material Composition Industrial plastic housing, signal conditioning circuit board, galvanic isolation components, screw terminal connectors.

Structural Characteristics DIN rail mount module; front terminal block for input and output wiring; status indicator LEDs; compact housing.

Working Principle Receives sinusoidal signal from magnetic pickup, conditions and shapes the signal, converts frequency to proportional 4–20 mA analog signal and square wave pulse output for control and monitoring systems.

Installation Requirements Mount on standard DIN rail; connect magnetic pickup wiring; connect power and output circuits; configure scaling for application speed range.




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