product description 

Product details

Rexroth's Servo Drive Controller, is a controller that controls servo motors, its role is similar to the role of the frequency converter to the ordinary AC motor, is a part of the servo system, mainly used in high-precision positioning systems.

The working principle of Rexroth servo driver controller is mainly through the digital signal processor (DSP) as the control core, to achieve complex control algorithms, to achieve digitalization, networking and intelligence. Power devices generally use intelligent power module (IPM) as the core of the drive circuit, IPM internal integrated drive circuit, and has overvoltage, overcurrent, overheating, undervoltage and other fault detection protection circuit. In addition, the controller also includes data buffering, error control, data exchange and state description, etc., to ensure the correctness of data and the stable operation of the equipment.

In practical applications, Rexroth's servo drive controller controls the servo motor in three ways: position, speed and torque to achieve high precision positioning of the drive system. It can not only be applied to ordinary automation equipment, but also be widely used in precision industry and high-end science and technology fields, such as semiconductor manufacturing, robotics, medical equipment and other industries.

In addition, Rexroth's servo drive controllers provide reliable performance and a high degree of stability, which has been proven for a long time to avoid motor abnormalities or damage in strict production environments, providing stable reliability of production lines and equipment.

Taken together, Rexroth's Servo Drive Controller is a powerful, stable controller that meets the demands of high-precision positioning and motion control in industrial automation.

There are significant differences between Rexroth servo drive controllers and ordinary inverters in several ways:

Control accuracy and mode:

Rexroth servo drive controllers are mainly used in applications requiring high control accuracy, such as industrial robots and automated processing equipment. It achieves precise position, speed and torque control by detecting feedback signals of motor rotor position and speed. This controller usually uses a closed-loop control mode, comparing the feedback signal with the desired control signal, so as to adjust the output signal to control the motor. Therefore, its control accuracy is very high, such as position control accuracy can reach 0.001mm level, speed control accuracy can reach 0.001rpm level.

Ordinary frequency converter is mainly used to adjust the speed of the motor, by changing the voltage and frequency of the motor to achieve. It usually uses an open-loop control mode, that is, only by controlling the size and frequency of the output signal to adjust the motor speed. Although the frequency converter can achieve a certain speed regulation function, its control accuracy is relatively low.

Scope of application:

Rexroth servo drive controllers are commonly used in applications that require high precision and rigidity, such as efficient continuous production lines such as paper feeders, looms, winders, shears and presses.

Ordinary inverter is more suitable for some work load is not too strict, mainly used in the need to adjust the motor speed of light load equipment, such as air conditioning, fans, pumps, conveyors and so on.

Working principle and structure:

The working principle of Rexroth servo drive controller is mainly based on digital signal processor (DSP) as the control core, to achieve complex control algorithms, to achieve digitalization, networking and intelligence. The driving circuit based on intelligent power module (IPM) is widely used in power devices.

The common inverter is mainly composed of rectifier (AC to DC), filter, inverter (DC to AC), brake unit, drive unit, detection unit, micro processing unit, etc., through the internal IGBT to adjust the output power supply voltage and frequency.

To sum up, there are obvious differences between Rexroth servo drive controller and ordinary inverter in control accuracy, application range and working principle. Servo drive controllers are better suited for applications that require high precision and rigidity, while inverters are better suited for light-load devices that require motor speed regulation.

Product Parameter

Model Number: R911190153

Origin:GER

Rexroth series of products