DSIH72VPENOK

Product Details

Product Description

Product Description

brand	model	QQ email	Personal official website
ABB	DSIH72VPENOK	2797820256@qq.com	/
weight	Specifications	Telephone
6kg	15cm	+86 18030177759

DSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOKDSIH72VPENOK
Sensor output mechanical angle θ The signal enters the CTR main control board from the system interface XIO board, and is converted into θ r. Then at the rotor angular velocity ω R form, directly feed back the speed to the speed regulator.
Torque given (T)_ R will come from SFC of speed regulator_ T_ R performs torque limit processing and di / dt calculation to obtain the final torque reference IQ_ R signal. ID_ R is the magnetic flux given signal, which has the following functions: keep the magnetic flux constant below the base speed, and adjust the speed of the motor with constant torque; Above the base speed, keep the voltage constant, reduce the magnetic flux in a certain proportion, and adjust the speed with constant power.
After the vector calculation control system completes the IGBT trigger signal, the processor main board transmits the trigger pulse to the inverter to control the IGBT on and off, so as to obtain the input voltage and frequency of the required motor approximate to the sine wave, and then adjust the motor speed.
3 data communication
The communication between the drive system and PLC adopts fl-net bus, optical fiber connection, and Ethernet communication between the frequency converter and the hub. See Fig. 7 for the structure.
En: Ethernet interface template I / O: input / output template EGD: Ethernet global data
Fl-net: fl-net template switch: switch
The PLC system is configured with a fl612 interface module and an EGD module to exchange data with each frequency converter. Each frequency converter address is configured in EGD, and the data exchange between transmission and PLC and transmission and transmission is completed through EGD.
The fl-net network takes Ethernet as the physical layer and adopts the bus topology structure. It is a PLC network standard adopted by Japan. The high layer of the protocol stack is UDP / IP + UDP / IP + single loop communication protocol to ensure the real-time communication.
The data exchange between the PLC system and the transmission system is based on the Ethernet global data processing communication (EGD). The EGD protocol is the data exchange protocol based on the Ethernet technology of Ge automation company of the United States. It realizes the high-speed transmission of 100Mbps data between one sender and multiple senders in the form of data packets, and follows the UDP / IP single loop communication protocol. The data transmission time interval is short, the security is strong, and it is not easy to lose. Each station is a two-way role, which is both a server and a client.
3. System commissioning
It can be seen from Fig. 5 that this is a typical double closed loop control system. Tmd-10e2 provides a variety of debugging means, from static motor self-test to load debugging, with the purpose of ensuring the stability and rapid response of the system.
3.1 fully meet the requirements of real-time acquisition and control
Other PLC fixed communication data storage addresses are inconvenient for application. S7-1200 can define different data addresses for different sub stations.
Some PLC communication instruction packages such as Omron or delta fix the data read by each communication in a specific register. When you want to use it, you can "transfer" it out of this register for use. This always means that when PLC reads different data of the same equipment or different equipment, you must "plan" to "move" the data you need from the public fixed data register "accurately" and "timely" according to different times, otherwise the public fixed data register may be replaced by "new" data refresh, resulting in data confusion. To complete these tasks, you must have good programming habits and write a lot of programs for timing processing. If the amount of data is large, it is definitely a test for an engineer.
S7-1200 is much more flexible in this regard. You can put the data you read into any defined data background data block, which is very easy and simple. Recently, the topic of new energy vehicles and lithium battery production lines has been very hot. Ningde times, a large domestic lithium battery manufacturer, has accelerated the layout of overseas markets. Recently, it announced that it plans to invest 7.34 billion euros (equivalent to 50 billion yuan) to build a second European plant in Hungary to produce new energy lithium batteries to supply new energy vehicles in the European market. It has also been reported that Ningde times plans to invest US $5 billion to build a plant in North America. Due to various sensitive issues, the North American plan has been temporarily shelved. What role can absolute value encoder play in the new production line?
It is understood that Ningde times currently has ten production bases in the world. As early as 2018, Ningde Times announced that its first overseas factory was set up in Thuringia, Germany. However, at present, the feedback of German factories is that the cost is too high and the construction cycle is too long. Considering the current international situation, the long overseas construction cycle may have weakened the market competitiveness when it is put into production.
Therefore, whether it is a factory in Hungary, a factory in North America, or even a new factory in China, the new production line is faced with the same problems due to the epidemic and import price rise:
Less business trips, shorter commissioning cycle, high one-time pass rate, simple and convenient use and maintenance, and rapid production. In response to such demands of customers, there is a rethinking of the "cost performance" of automation equipment and devices on the production line. The relationship between cost performance and reliability. The impact of worker training, efficiency and production line maintenance on costs needs to be considered in overseas localization production.
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