FV31S00 Danaher
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The Danaher FV31S00 is part of the Dynapar Encoders series and supports input frequencies from 30 Hz to 60 kHz with magnetic input ranges of 1.5 to 15 Vp-p. It features a transducer supply voltage of 12 VDC at 75 mA maximum and has a current output load up to 800 Ohms. This encoder provides a voltage output current of 25 mA and maintains voltage output linearity within ±0.1% of full scale.
Internal Product Review
The FV31S00 is a Danaher Dynapar encoder signal converter with a broad 30 Hz to 60 kHz input frequency range. Voltage output linearity of ±0.1% FS and current linearity of ±0.2% max support accurate scaling in demanding control circuits. A 12 VDC ±5% transducer supply makes the FV31S00 a strong choice for precise encoder signal conversion.
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Product Description:
The FV31S00 is a frequency-to-voltage signal conditioner produced by Danaher within the Dynapar Encoders series. In an automation line, it accepts pulse outputs from magnetic or single-ended encoders and delivers a proportional DC level so that drives, PLC analog inputs, or chart recorders can track motor speed or conveyor rate without additional computation. By translating high-frequency encoder edges into a smooth voltage, the module simplifies feedback loops and alarm handling in industrial motion systems.
The conditioner handles carrier frequencies up to 60 kHz, allowing it to follow fast shaft rotations while maintaining output accuracy. At 115 V AC, it draws 120 mA; operation at 230 V AC requires only 60 mA, reducing cabinet loading on higher-voltage mains. The output stage will drive loads down to 800 Ω, and its internal reference provides a regulated supply of 12 VDC ±5% at 75 mA for powering external transducers. Voltage-mode linearity is specified at ±0.1% FS, so the analog signal closely tracks the computed frequency over the full scale. Current-mode linearity stays within ±0.2%, and a 25 mA source is available when current output is selected. Single-ended inputs tolerate up to 15 V peak, while magnetic pickup inputs can reach 15 V p-p, providing compatibility with various sensor types.
An alarm relay rated for 1.25 A at 125 V AC/DC trips when the measured frequency exceeds the configured limit; the overrange threshold provides at least 10% of additional span before activation. The converter begins tracking at 30 Hz, ensuring stable readings even on slow axes, and the minimum magnetic input sensitivity is 1.5 V p-p, so low-level pickups remain usable. For single-ended encoders, the smallest recognized level is 2.5 V, which helps prevent unreliable logic input detection.
