Intelligent analogue simulating method for switch volume control process
A switching control and simulation technology, applied in program control devices, software simulation/interpretation/simulation, electrical testing/monitoring, etc. problems, to achieve realistic visual and touch simulation effects, and the effect of wiring standardization
Active Publication Date: 2008-04-02
CHINA LUOYANG FLOAT GLASS GROUP
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Problems solved by technology
The problems thus existing are: (1) the input signal simulation board only uses the torsion switch as a component, and the simulation is not intuitive enough for various switching components; (2) it does not have intelligence, and its method adopts manual operation The input process, manual observation of output drive results, manual judgment of right and wrong, etc., still do not get rid of the manual mode; (3) The system hardware connection method is to connect the components on the input signal simulation board and the input terminals of the PLC one by one, which is relatively cumbersome
(4) During the simulation, there is no distinction between the two kinds of switch input of the PLC - the manual operation input and the control process input, all of which are simulated by manual operation, which cannot truly reflect the situation of the control site
Method used
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Embodiment Construction
[0020] Embodiment is described in conjunction with accompanying drawing:
[0021] As shown in accompanying drawing 1, the present invention is carried out on the simulation system that is made of computer, touch screen, PLC programmable controller. The control system of this embodiment adopts Siemens S7-200PLC. Through the LCD programmer or computer, input the designed PLC ladder diagram control program to the PLC host. The software used for programming by S7-200PLC is STEP7-Micro / DOS, which provides two programming language options: ladder diagram language and statement list language.
[0022] As shown in accompanying drawing 2, the simulation simulation object of the embodiment of the present invention is a combined machine tool, and the process requirement of its control process is:
[0023] 1. Processing status
[0024]
[0025]
[0026] As mentioned above, a normal processing is completed.
[0027] 2. Adjustment status:
[0028] It is divided into "pull-in-pull...
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This invention principally provides an intelligentize analogue simulation method of switching value controlling process. It is the logical developing drawing which is used as the script of establishing analogue simulation configuration procedure. Distinguish two configuration software of switching value inputting. For manhandling input, write configuration procedure to connect soft component of consumer's window and PLC input channel. Soft component of touch control touch screen changes the state of input channel corresponding to PLC. For controlling process input, using running strategy of configuration software to write script procedure, according to collected output state of PLC and logical developing drawing to determine input state produced by output affect, using configuration procedure to set the input channel into the state of logical developing drawing. According to the state of input channel, PLC CPU execute ladder diagram procedure and form responding output drive, then auto judge the result of the simulation and give relevant cue on the man-machine interface.
Description
Technical field [0001] The invention belongs to the technical field of automatic control, and mainly proposes an intelligent simulation method for a switching quantity control process. Background technique [0002] For the switch value control process, such as the control process of automatic production lines, combined machine tools and other automation equipment, whether it is a PLC control system or a relay control system, in the process of new design (including replacement product design) or technical transformation, the electrical The core issue that technicians are concerned about is: whether the control program they design (that is, PLC ladder diagram program or relay logic circuit) can meet the process requirements of the control process in actual processing. Using simulation technology, it is possible to simulate the switching control process of automation equipment in the early stage (at the same time as designing) and offline (in the design room), to check and revi...
Claims
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IPC IPC(8): G06F9/455G05B23/02
Inventor 姜信建姜宏郅晓姜信章
Owner CHINA LUOYANG FLOAT GLASS GROUP