PRS11S-N20F-503B1

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Rotary potentiometers, also called angle sensors, are electromechanical devices used to measure angular movement in robotics, industrial automation, and other applications requiring precision control. PRS11S-N20F-503B1 is a rotary potentiometer created by Sondas subminiature encoders line, and it is widely used in engineering and industrial applications. It is a multi-function knob that performs various tasks, including measuring the angle of rotation, the speed of rotation (through a frequency output) and the direction of rotation (through a TTL signal).

The PRS11S-N20F-503B1 is an absolute or non-relative (incremental) model that is designed for a wide range of applications, such as medical robotics, servo motors, CNC machines, motion control, and many other areas. This potentiometer has a low profile and a robust mechanical construction that is suitable for environments with certain humidity or dust. This device is also highly accurate, with resolution down to 0.001° and repeatability down to 0.0003°. Its low profile body and diameter of only 11.86mm makes it suitable for use in devices with limited space. Moreover, its robust construction makes it compatible with harsh environments, able to withstand shock up to 15g and vibration up to 10g.

The PRS11S-N20F-503B1’s basic working principle is simple yet effective and it involves two moving parts connected by a shaft. The first part is a potentiometer, which consists of a resistive material, usually carbon or a conductive plastic. This is often connected to a set of contacts which move within a spacer that provides a resistive element for current to pass through. When the shaft is turned, it makes contact between the parts, thereby altering the resistance of the resistor.

The second part consists of electrical contacts which make contact with the resistive element of the potentiometer. As the shaft is turned, the contacts will move across the surface of the resistor, creating a changing voltage. This property enables the device to measure various parameters, including angle, speed, and direction. The PRS11S-N20F-503B1 converts the measured voltage into digital signals which can then be read by external components.

The PRS11S-N20F-503B1 has multiple pins on two sides of the body for connection to the external component. The pins are used to feed the voltage signals from the internal resistive unit into the external circuitry. It is also possible to connect additional switches to perform various functions like controlling speed, direction, and even enabling outputs. The PRS11S-N20F-503B1 can also be used in low-cost devices for smaller applications where the precision and functionality found in other rotary potentiometers are not necessary.

The PRS11S-N20F-503B1 can be used in a wide range of applications, from industrial automation to medical robotics. Its small size and robust construction make it suitable for use in harsh environments, while its low profile and high accuracy make it an excellent choice for precision control. Its simple operating principle and multiple pins for connection to external circuitry make it an ideal choice for applications requiring digital control.

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