In recent years, with the improvement of factory automation technology, touch screen as a new man-machine interface product has been widely applied in machinery manufacturing industries. The use of man-machine interface can greatly improve the production efficiency of equipment. Clearly inform the equipment operator mechanical equipment. The operating status and production status, the use of touch screen can make the electrical wiring simple, while reducing plc I / O points, lower production costs, but also relatively increase the value of the entire set of mechanical equipment. Weinview and Mitsubishi plc have good commonality, Online monitoring program, no trouble starting plug interface.
First, the printing machine's electrical principle:
As the length of the printing press is too long, for the convenience of operation, a touch screen is placed in two different positions: mt510t and mt506m. In the host interface (mt510t), a 4-spoke screen is designed, including overall graphics, fault alarm, and machine Speed ​​and print control. There are also two automatic pop-up windows for modifying the electronic cam parameters (q00 plc internal address) for on-line control; another touch screen (mt506m) is also designed for 4-spoke screens, including print control, water roller speed display, Adjustment display and counting control. Fault display use indicator, given the bit element to achieve immediate flashing effect, so that the operator is very easy to know the fault site, the overall feeling is very good. In the water roller speed display, designed a display Figure, can show the amount of water increases, but also can facilitate monitoring.
The color group selector switch (self-locking) in the touch screen is pressed to adjust the up and down buttons, and after three plc procedures are processed, the contact point of the output module is turned on, and the relay operation is controlled to make the motor run. After the motor is running, Through the mechanical part of the drive, driving the resistance of the potentiometer changes. After the linear module and analog module processing, into the value sent to plc, plc processing, sent to the touch screen, showing the changes in the position of the version.
Second, the software features:
1. Master-slave communication function When the mt510t touch screen is connected to q00plc, the mt506m touch screen uses master-slave communication mode to indirectly acquire plc data through mt510t. Such connection greatly simplifies the processing of communication programs.
2, touch screen mt500 series programming using wei98 / nt platform configuration technology, according to different customer needs, convenient and rapid generation of personalized man-machine interface, the user can freely combine text, buttons, graphics, digital and other functional components To process or monitor data information for managing changes.
3, standardized bus design, can easily expand multiple connections.
Fourth, concluding remark Complete set of printing machine electrical system, including hardware, software design, cover a wide range. In this article, I briefly introduced some of the more important ones. There are still many other details and I will not list them one by one. The use of touch screen control system, stable performance, easy design and use, has been applied in the printing machine produced by our company. Weinview touch screen is full-featured, reliable and durable, programming is simple, compared with other hmi products, friendly interface, to the user programming and Maintenance brings great convenience. In short, weinview touch screen plays a key role in the design of electrical systems, which brings great convenience to my design work. With the continuous improvement of weinview touch screen performance, its application in the printing press industry will be more extensive and in-depth.
Shenzhen Wei Luntong Technology Co., Ltd.
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Yangzhou Heli Photoelectric Co., Ltd. , https://www.heli-eee.com