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R88D-UT110H KuKa 伺服电机
购买咨询热线:18059884797 （微信同号）
QQ：3095989363
邮箱：sales@xiongbagk.cn
地 址：福建省漳州开发区南滨大道429号招商局芯云谷3号楼217-01
公司：厦门雄霸电子商务有限公司漳州分公司
- R88D-UT110H
- 制造商已停产
- 伺服电机
- 高分辨率
- 固定支架
- 范围:100毫米
- 24V
- 2D
- FOV 14 x18毫米
- IP67
E4809-045-109-C
E4809-045-109-C
E4809-045-109-C
E4809-045-109-C
E4809-045-109-C
servo driver is also called “servo controller” and “servo amplifier”. Its working principle is a kind of controller used to control servo motor. Its function is similar to that of frequency converter acting on ordinary AC motor. It is a part of servo system and is mainly used in high-precision positioning system. Generally, servo motors are controlled by three ways: position, speed and torque, so as to realize high-precision positioning of transmission system. At present, it is a high-end product of transmission technology.
Is it driven by amplifying the pulse signal from plc?
is not simple amplification. The output of PLC is just square wave, while the output of driver is sine wave. It can be understood that the pulse of PLC is the work instruction of the servo driver, like the work instruction of the leader. The servo driver is the director who works for the leader. The leader requires the director to do this, and the director still has to use his own brains to do it. Servo driver can be understood as an AC power supply that can satisfy the work of servo motor. When it drives servo motor, it does not simply amplify the pulses of PLC, but understands what these pulses do, and then simulates and outputs sine waves through PWM to control the work of servo motor.
Generally, PLC sends pulses, which are PLS pulses, that is, square waves with fixed pulse width and interval. The number of square waves can be understood as “step distance”, that is, when a pulse comes down, the servo motor has to take “one step” (that is, how many angles it rotates). Therefore, the more pulse square waves, the more angles the servo motor rotates, so the servo driver will output waveforms that can make the servo motor rotate. However, the servo motor can’t be simply completed by the motor structure like the stepping motor. It needs a position loop to make a closed loop, that is, it measures how much the current motor angle changes by the pulse of the encoder, and then adjusts the output voltage and output frequency by PID.
means that the servo driver should compare the received PLC pulse with the encoder pulse fed back by the motor (which can be simply understood as subtraction), then output a value after PID calculation, and then give it to the so-called speed loop and current loop, and then calculate. Finally, the IGBT module is controlled by PWM means, and a certain square wave is output to simulate sine wave to control the rotation speed of the servo motor to meet what angle it will rotate to. From the bottom point of view, the control of servo driver is similar to that of vector inverter.
厦门雄霸
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