XH25D-SS-1024-ABZC-28V/V-EM18

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Introduction to Encoders

Encoders are a type of device that encodes mechanical motion into an electrical signal or digital word. They can serve solutions used in various applications such as motion pick-up, speed measurement, position measurement, and fieldbus communications. They also provide an absorption of position feedback.

XH25D-SS-1024-ABZC-28V/V-EM18 Application Field and Working Principle

The XH25D-SS-1024-ABZC-28V/V-EM18 is a motor-pole encoder that has a rotaryactuator-type output. It is used for motor control and speed measurement of rotarytrailers and in applications such as conveyor belt control and robotics. The XH25D-SS-1024-ABZC-28V/V-EM18 consists of an encoder block, a signal output, and a detection circuit.

The encoder block enables the detection of rotating shafts and magnet arms. The signal output is provided to the motor control. The detection circuit acts as a signal amplifier that converts the encoder signals into a digital output. Two channels are available: one is used for motor speed and acceleration feedback; the other is used for position control.

The motor-pole type of encoder has an internal magnetic field that is positioned vertically on the motor’s rotating shaft and set to correspond with each of the two poles of the magnet motor. When the shaft rotates, it induces a signal in the encoder due to the changing orientation of the field. As the signal is recognized by the encoder, it is then transmitted to the control circuit. The detection circuit monitors the signal as it fluctuates and recognises the currents as a binary pattern.

At the same time the signal is being monitored, the detection circuit amplifies it. This power amplification is necessary because the switched currents from the encoder are not capable of travelling through typical wires and connector cables.

The amplified output from the detection circuit is then sent to the motor control and used to determine the rotary speed and acceleration of the motor. Furthermore, the detected signal can be used to adjust the precise position and angle of the motor.

Conclusion

The XH25D-SS-1024-ABZC-28V/V-EM18 encoder is an advanced solution employed in motor control applications. The internal magnetic field detects shaft rotation and enables speed and position control to be adjusted accordingly. The encoder unit also contains an internal signal amplifier that is used to convert encoder signals into a digital output.

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