Technical Specifications 2 independent frequency input channels; input frequency range: 0.5 Hz to 20 kHz; 2 analog outputs: 4–20mA proportional to speed; 24V DC power supply; accuracy: ±0.05% full scale; operating temperature: -40°C to +65°C.
Functional Features Precise frequency-to-analog conversion; wide input frequency range; per-channel scaling configuration; signal conditioning; input fault detection.
Application Scenarios Rotating machinery speed measurement, turbine and compressor speed indication, recorder speed input, control system speed feedback.
Performance Parameters High measurement accuracy; low output drift; fast frequency response; stable operation across temperature range.
Material Composition Industrial plastic housing, precision frequency measurement circuit, digital signal processor, insulated analog output circuit.
Structural Characteristics Rack plug-in module, front status indicators, rear input and output terminals, system backplane interface.
Working Principle Measures the period of input speed pulse signals from proximity probes or magnetic pickups, calculates rotational frequency, and generates a proportional 4–20mA analog output signal for indication and control.
Installation Requirements Install in system rack slot; connect speed sensor inputs; configure scaling factors for each channel; connect analog output to indicator or control system.
Usage Notes Calibrate output span during commissioning; use shielded cable for pulse inputs; verify output linearity periodically.
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