NDCU-33CX 3AUA0000052751 Communication board ABB drive control unit
Brand ABB color Standard Application Industrial height 345mm rated current 419mA
Protection Level IP45 Suitable for motor power 326KW Application Site Power Industry BOM Number GJR2391500R1220 Power industry HIEE401782R0001 Part Number NDCU-33CX 3AUA0000052751
Applicable pipe 2 Whether imported is weighing 4.18 kg can be sold nationwide
NDCU-33CX 3AUA0000052751 Communication board ABB drive control unit
Motion control technology is the key technology of CNC machine tool, and its technical level will directly affect the development level of a country’s equipment manufacturing industry. At present, the multi-axis servo controller is more and more used in the motion control system, which has high integration and flexibility, can complete the complex logic processing and control algorithm in the motion control process in real time, and can realize the multi-axis high-speed and high-precision servo control.
The key to implementing complex control algorithms in real time is the emergence of these motion control systems as powerful digital signal processors (DSPS). Even in less demanding but cost-sensitive applications, such as home refrigerator compressor drivers, the capabilities of DSP can be utilized to implement sensorless control algorithms that can reduce system costs and improve the overall robustness of the drive. In high performance servo drives, the powerful computing power of the DSP allows for more precise control through vector control, ripple torque reduction, predictive control structures, and compensation for non-ideal system behavior.
Motion controller is the core component of motion control system. Domestic motion controllers can be roughly divided into three categories:
The first class is a motion controller with microprocessors such as microprocessors as the control core. The speed of this kind of motion controller is slow, the accuracy is not high, the cost is relatively low, and it can only be used in some low-speed operation and the contour motion control with low trajectory requirements.
The second type is a motion controller with a special chip (ASIC) as the core processor. This kind of motion controller has a relatively simple structure, most of which can only output pulse signals and work in an open loop control mode. Since this kind of controller can not provide continuous interpolation function, there is no feedforward function, especially for a large number of small line segment continuous motion occasions can not use this kind of controller.
The third class is an open motion controller based on PC bus with DSP or FPGA as the core processor. This kind of open motion controller uses DSP chip as the core processor of motion controller, PC as the information processing platform, and motion controller is embedded in PC in the form of plug-in, that is, “PC+ motion controller” mode. This kind of motion controller has the characteristics of strong information processing ability, high openness, accurate motion trajectory control and good universality. However, this method has the following disadvantages: the motion control card needs to be inserted into the PCI or ISA slot of the computer motherboard, so each specific application must be configured with a PC as the upper computer. This undoubtedly has certain limitations on the size, cost and operating environment of the equipment, which is difficult to operate independently and miniaturize.
The application of DSP in motor control is a new field. DSP is a chip which uses high-performance processor to improve the control precision of motor. High speed DSP Mainly used in the motor sensorless control and magnetic field orientation control, because in the sensorless control need to use the known current and voltage real-time calculation of speed and position, and in the motor magnetic field orientation control, need to convert all the variables in the form of vectors to the coordinate system synchronized with the stator rotating magnetic field, these require a lot of operations, high-speed DSP can be completed in real time These jobs. In terms of price, DSP has dropped from the initial hundreds of dollars to a few dollars. The performance of the 16-bit DSP has also increased from 5Mips(million times per second) to 2000Mips. It includes large-capacity on-chip memory and integrates a variety of peripheral devices on chip.
NDCU-33CX 3AUA0000052751 Communication board ABB drive control unit
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