FIELD: measurement equipment.
SUBSTANCE: proposed device relates to measurement facilities, namely - to devices for counting the angle of rotation of solids of revolution. The device to count the angle of spindle rotation comprises a sensor of rotation angle and an index sensor, preliminary amplifiers of low frequency, outlets of which via resistors are connected to inlets of counters, outlets of which are connected to inlets of decoders, outlets of which are connected to inlets of matrix seven-segment light-diode indicators. At the same time the sensor of the rotation angle and the index sensor are made in the form of two optoelectronic couples, each comprising a glow lamp, a photo diode and a disc plate with holes for them, and their outputs are connected to inputs of preliminary amplifiers of low frequency, in each there are circuits of inlet signals, feedback and correction.
EFFECT: increased reliability and improved dynamic properties of a controlled electric drive.
3 dwg
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