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Encoders

An encoder is a device used to measure motion and for the conversion of position information into electrical signals. It is used in machine control applications, robotics, and industrial automation systems. The PEL12T-4026G-S1024 is an incremental rotary encoder used to detect the precise angular position of a shaft or axle. This article will provide information on application fields and working principles of the PEL12T-4026G-S1024.

Application fields

The PEL12T-4026G-S1024 is a rotary encoder which combines high resolution and accuracy with a slim body and a low profile. It is suitable for environment control systems, medical equipment, printer/plotter applications, and machining tools. It can also be used in controlling robots and other automation systems to track position and speed.

In printing and paper machines, the encoder can be used to detect the web tension of roll paper and adjust it accordingly. The PEL12T-4026G-S1024 can also be used in rotary tools such as lathes and cutters to detect position and monitor the speed of other moving parts.

Working principle

The operating principle of the PEL12T-4026G-S1024 is based on the Coded-Pulse Principle (CPP) which enables the encoder to measure angles with high precision. The CPP consists of two main components: an LED array and a detector. The LED array is composed of a series of LEDs with alternating N-type and P-type aluminum electrodes. The detector is composed of a light-sensitive phototransistor with two diodes, one for each type of aluminum electrode.

When the LED array is activated, pulses of light are generated, which are detected by the phototransistors. The PN-coded pulses are then sent to the controller, which is able to detect the position of the shaft or axle based on the PN code. The encoder also includes a built-in commutation circuit which helps to ensure smooth and consistent operation.

Conclusion

The PEL12T-4026G-S1024 is an incremental rotary encoder featuring high sensitivity and accuracy with a slim body and a low profile. It can be used in various application fields, including environment control systems, medical equipment, printer/plotter applications, and rotary tools. Its Coded-Pulse Principle allows for precise angular positioning and speed detection. The PEL12T-4026G-S1024 can be a great addition to any automation system or application.

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