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  Digital Ring Kit Shaft Speed Pulse Generators

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Electro-Sensors digital ring kits provide digital feedback from motors with NEMA C face end bells, can generate pulses down to zero speed, and transmit— without amplifi cation—up to 1,500 feet. This is an ideal pulse generator for speed monitoring, motor control, counting, process control, cut-to-length, and ratio/draw
controlling applications.

The DRK series ring kits can be quickly and easily installed on NEMA C face motors or between a motor and gear box. Each kit features a non-contacting digital pulse generator system.

The QDRK quadrature ring kit provides a 60-pulse per revolution quadrature signal for use with electronic control equipment requiring rotational-direction information. Two signals, 90° out-of-phase, are produced by the sensor. When the leading edge of 'Output A' precedes the leading edge of 'Output B', shaft rotation is forward. When the opposite is true, the
monitored shaft is rotating in reverse.

• NEMA C Frame
• High speed digital pulse train
• Kits include mounting ring, hardware, magnet wheel, and sensor
• Easy to retrofi t
• Impervious to dust, oil, and water
• 60 or 120 pulses per revolution
• NPN open collector and line driver options

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