Features
- 0, 4, 6, 8, or 10 circuit slip ring
- 60 pulse encoder
- Slip ring brush lifter
- Sealed against dust
- Color coded terminals
- Lightweight and compact
- Instrumentation quality rings and brushes
- Weatherproof units available
Description
The Michigan Scientific SR_M/E60 Slip Ring and Encoder Assembly is used for applications requiring both a slip ring and an encoder. It is designed to mount on the end of a rotating shaft and make electrical connections to strain gauges, thermocouples, or other rotating sensors, while simultaneously providing pulses to measure rotational speed. The slip ring brushes and rings are made of precious metals which minimizes resistance variation and enables the assemblies to be used for low level instrumentation signals.
The SR_M/E60 accepts up to ten circuit connections and incorporates a pulse encoder that enables rotational speed to be measured. The encoder generates a 60 pulse per revolution (PPR) square wave signal with a range of 0 to 6000 rotations per minute (RPM). Since the pulses per second are equivalent to RPM, rotor speed can be recorded directly from a frequency display without scale conversion. Analog output signals for rotational speed can be obtained by using the SR_M/E60 with Michigan Scientific’s frequency to voltage encoder electronics. This model is also designed with a convenient, manually operated, brush lifter to extend the life of the slip ring assembly. When it is not necessary to make electrical connection through the slip ring, the brushes can be lifted off the rings. The slip ring will continue to rotate, however, the brushes will not be in contact with the rings and wear will therefore be reduced.
Connections to the slip ring rotor are made through color coded solder terminals located on both the slip ring rotor and slip ring stator. Permanently lubricated bearings eliminate the need for routine cleaning and maintenance.
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Tech Notes
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