Cloud-Based Control: A Multi-tenant, Horizontally Scalable Soft-PLC

Author(s):  
Thomas Goldschmidt ◽  
Mahesh Kumar Murugaiah ◽  
Christian Sonntag ◽  
Bastian Schlich ◽  
Sebastian Biallas ◽  
...  
Keyword(s):  
2009 ◽  
Vol 4 (2) ◽  
pp. 120-124
Author(s):  
Cunfeng Kang ◽  
Chong Wang ◽  
Chunmin Ma ◽  
Xudong Huang ◽  
Renyuan FEI
Keyword(s):  
Soft Plc ◽  

2010 ◽  
Vol 43 ◽  
pp. 238-241
Author(s):  
Ou Xie ◽  
Hua Li ◽  
Zheng Li ◽  
Zhen Yin

A design solution of machine tool control system and its hardware and software design were proposed for the requirement of high precision internal grinding. The ARM microprocessor was used as the system control center and the technical grade touch screen was used as the human machine interface. The feed motion of the X, Z 2-axis servo motor was controlled by the system to complete the grinding path, and the machine tool switching signal was controlled by the Soft PLC Technology. The whole system has the advantage of stable, high performance and user friendly, meeting the requirement of high precision grinding.


2012 ◽  
Vol 430-432 ◽  
pp. 1925-1928
Author(s):  
Ou Xie ◽  
Hua Li ◽  
Zhen Yin

According to the processing and control requirements of precision CNC internal grinder, a design of ARM-based embedded precision CNC internal grinder soft-PLC system was proposed. The design idea of open CNC system was introduced and the system hardware and software were packaged as the components to develop the PLC applications, achieved the logic control of the machine tool. This design meets the requirements of software design instead of hardware design and system integration development of embedded CNC system, achieved the real-time process control and improved the precision.


2013 ◽  
Vol 694-697 ◽  
pp. 2660-2666
Author(s):  
Quan Liang ◽  
Dong Hai Su ◽  
Jie Wang ◽  
Ye Mu Wang

For the traditional PLC compatibility and poor scalability problems, this article developed a soft PLC running and simulation system. The system compatible with Mitsubishi FX2N series PLC instruction set. RTX was used to serve as the real-time kernel, ensured the real-time performance of the control, introduced the using method of RTX timer, multithreading and shared memory, emphasized the decoding function realization, also developed a soft PLC simulation system. Finally, through an example program verify the correctness of the running and simulation system.


2013 ◽  
Vol 675 ◽  
pp. 51-54 ◽  
Author(s):  
Yong Xi ◽  
Cheng Zhi Yang ◽  
Jin Xing Xu

A solution is proposed to design and build virtual elevator model by software for the elevator manufacturing industry, which realize the communication between virtual elevator model and TwinCAT soft-PLC. To test the correctness of this approach, the ten layer virtual elevator model is simulated through TwinCAT soft-PLC. And the usability of simulation system and the reasonableness of control programming method are verified. The main characteristic in this new research method is to use virtual controlled object and virtual PLC. It means that all research work can be finished with full virtual system and its research results can be used well in elevator manufacturing industry.


2012 ◽  
Vol 203 ◽  
pp. 198-201
Author(s):  
Chan Juan Chen ◽  
Long Li

This paper presents a method to achieve ladder diagram language conversion to the instruction list language based on VC multi-document application. The module by analyzing the difference between the series program and parallel program when the ladder diagram language transform into the instruction list language, and according to the special position of the element correction to arrive at a correct instruction list program. The advantage is that this method is simple and practical.


2014 ◽  
Vol 1044-1045 ◽  
pp. 1113-1117 ◽  
Author(s):  
Jia Liu ◽  
Wei Ping Fu ◽  
Lei Zhou ◽  
Na Qie ◽  
Wen Yun Wang

A model of wireless network data interchange was built to solve cross-platform exchange data in intelligent robot. In the framework of embedded Soft-PLC - Codesys real-time operating system, we apply Socket network programming technology based on TCP/IP communication protocol to set up a physical channel between VC++ platform and the Codesys platform. It realizes the real-time data exchange between host-computer and slave-computer uploaded embedded operation system of robot. A special multi-threaded processing class was developed to enhance the multi-tasking allocation ability of the system. Exchanged data was packaged and analyzed to ensure the accuracy of transmitted data. The experiment shows built communication system platform is justifiable, and data transmission speed is less than 10ms. It is able to meet the needs of real-time control in intelligent robot.


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