Bipolar Frequency to Voltage Converter

Bipolar Frequency to Voltage Converter

This bipolar frequency to voltage module is designed to convert a continuous series of digital pulses into an analog voltage that is proportional to the input signal frequency. The two input channels allow the module to provide a bipolar output voltage when the input signal is arranged in a standard quadrature format. In this mode both the velocity and direction of the input device are indicated by the voltage output signal. Besides the analog output voltage, the module provides a digital output signal with an adjustable trip point that may be used to signal an overspeed condition of the input velocity transducer.

This industrial grade module includes a transducer power supply as well as a stable reference that maintains the output signal linearity and drift too less than 1% as the input power supply voltage and ambient temperature are varied over the specified range.

Each bipolar frequency to voltage modules includes controls to set the output signal span and the digital output signal trip point as well as the polarity of the output voltage for a specific rotation direction of the input transducer. Lights are supplied to indicate the direction of the input transducer and the status of the digital output. The module requires a bipolar 10 to 30 volt DC power supply for operation.

The circuit board is solder masked. All external connections are made to a barrier type terminal block with #6-32 captive wire clamping screws. All external connections and controls are clearly marked. The board can be mounted in the user's control enclosure on standoffs or located in plastic mounting track.

Applications: Used to convert incremental shaft encoders with quadrature output signals to an analog voltage to provide velocity and direction information to the user's control circuit

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