J series POTENTIOMETERS OPERATING PRINCIPLES
■CONTACT METHOD TYPE
Potentiometers are displacement sensors that produce electrical output (voltage) in proportion to the mechanical displacement.
They are basically composed of a resistor and a wiper (brush), with the mechanical displacement of the resistor relative to the wiper being accurately converted into electrical voltage output. A voltage is applied to both ends of the resistor, and the wiper is moved. The displacement is measured by the voltage between one terminal of the resistor and the wiper.Looking at the component structurally, we can see the following: (Fig. 1)Further, the following formulas apply to the voltage output.
■OPTICAL CONTACTLESS TYPE
Optical contactless potentiometers shall detect rotational angle at time of shaft rotation by positioning sensor which photo-electrically transfers the displacement of light transmitted through spiral slit that is placed between luminous element and positioning sensor.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2020/06/19 |
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89 KB |
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