S4T

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Function
Incremental, singleturn, optical
Shaft type
Shaft
Shaft & bore Ø [mm]
3.175, 6, 6.35
Resolution [CPR] Incremental
100-500
Case Ø [mm]
22
Supply voltage [V]
5
Incremental Signals
AB
Output
Single-ended, Differential
Temp. range [°C]
-20 to 100
Supplier
US Digital
Product description

The S4T miniature optical shaft encoder is a non-contacting rotary to digital converter. The S4T incorporates an LED light source, monolithic photo detector and mylar disk. A metal shaft with bushing or bearing versions are available. Useful for position feedback or manual interface, the encoder converts real-time shaft angle, speed, and direction into TTL-compatible quadrature outputs without index. It operates from a single +5VDC supply. The S4T encoder is available with ball bearings for motion control applications, or static drag to feel like a potentiometer for front-panel manual interface. The S4T uses a high retention, 4 conductor snap-in polarized 1.25mm pitch connector. Mating cables and connectors (See the Cables / Connectors web page) are not included, and are available separately.

US Digital’s E4T and S4T miniature optical encoders now come in higher resolutions of 400 and 500 CPR.

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