P30B04010PCKSTA01 Ac servo motor Sanyo Denki

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Overview

Essential details：P30B04010PCKSTA01 Ac servo motor Sanyo Denki

Servo motor is a micro motor used as an actuator in automatic control device, whose function is to convert electrical signals into angular displacement or angular velocity of the rotating shaft. The servo motor, also known as the executive motor, is used as the executive element in the automatic control system to convert the electrical signal received into the angular displacement or angular velocity output on the motor shaft. “Servo motor” can be understood as a motor that absolutely obeys the command of the control signal: before the control signal is sent, the rotor is stationary; When the control signal is sent, the rotor rotates immediately; When the control signal is lost, the rotor can stop immediately.
Classification of servomotors
Servo motor is divided into AC servo and DC servo two categories.
The basic structure of AC servo motor is similar to that of AC induction motor (asynchronous motor). Two exciting windings Wf and control windings WcoWf with 90° phase space displacement on the stator are connected with constant AC voltage. The purpose of controlling motor operation is achieved by using the change of AC voltage or phase applied to Wc. Ac servo motor has the characteristics of stable operation, good controllability, fast response, high sensitivity, and strict nonlinearity index of mechanical characteristics and adjusting characteristics (less than 10% ~ 15% and less than 15% ~ 25%, respectively).
Advantages and disadvantages of DC servo motor

P30B04010PCKSTA01

Advantages: precise speed control, torque speed characteristics is very hard, simple control principle, easy to use, cheap price.
Disadvantages: brush reversal, speed limit, additional resistance, wear particles (not suitable for dust-free explosive environment).
The basic structure of DC servo motor is similar to that of general DC motor. Motor speed n=E/K1j=(Ua-iara)/K1j, where E is armature back electromotive force, K is constant, j is magnetic flux per pole, Ua and Ia are armature voltage and armature current, Ra is armature resistance, change Ua or change φ, can control the speed of DC servo motor, but generally use the method of controlling armature voltage. In permanent magnet DC servomotor, the field winding is replaced by permanent magnet, and the magnetic flux φ is constant. Dc servo motor has good linear regulation characteristics and fast time response.
The advantages and disadvantages of AC servo motor
Advantages: Good speed control characteristics, smooth control can be achieved in the whole speed zone, almost no oscillation, more than 90% high efficiency, less heat, high speed control, high precision position control (depending on the encoder accuracy), rated operation area, can achieve constant torque, low inertia, low noise, no brush wear, free of maintenance (suitable for dust-free, explosive environment).
Disadvantages: The control is more complex, and the driver parameters need to be adjusted on site to determine the PID parameters, which requires more wiring.

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