PLC application in the carton printing machine

PLC application in the carton printing machine newmaker welcome to e/packaging machinery exhibition hall hall hall 7 watts line coating machine, box making machines, paste box machine, nail box machine, automatic gluing machine, compound machine. 。 。 This paper mainly introduces the application of PLC in the carton printing machine. one Carton printing machine introduction carton printing machine is a kind of equipment, in the packaging industry is able to text, design, printing and other information required to the surface of carton box printing equipment, it generally includes plate, stamping, painting ink, paper and other process. Carton printing generally have a single printing, printing with slot/die cutting, printing and slotting/die cutting, stick box and linkage production line and so on. two PLC product introduction motor co. , LTD. , founded in 1992 by a group of engineers design work for many years engaged in PLC controller was founded in Taiwan. Launched in 1993, FBE and FBN series products, launched in 2003, FBs new series of products by the industry praise. Carton printing machine is the application of multiple hosts to carry on the work, so you use communication function, and the PLC communication function is very powerful, supports a maximum of 5 communication port for on-line operation, the type and form of communication program written to development provides a great convenience. 3. Carton printing machine working principle of the carton printing machine at work will first printed words and images to make plate, installed on the printer, and then by the person operating the printer ink evenly coated on the plate there is words and images, and then directly or indirectly transfer printing on the corrugated paper board or carton, to reproduce the same as the plate printing reproductions. Often a pattern to after 3 - in turn Printing 4 times, each time a different print, after a lot of stack out colorful patterns. Printing the design of the corrugated paper for slotting and die cutting operation, this process is basically completed most of the cartons of the production process. Solutions for the above control requirements, combined with relevant product technical characteristics of PLC, I bring forward the method of using PLC to realize: 5 using online through the MODBUS communication protocol of PLC, and through the work condition of the three-phase asynchronous motor encoder feedback to the PLC controller. Thus achieve the printer control scheme, and good control effect. 4. 1 control part of the composition of the main product features specifications: 1. Controller: FBs - 40MAR2- AC + B1 - ; 24 mr25 - AC * 3 +的边后卫- 60MAR2- AC 2。 Communication extension board: FBs - CB5 * 23。 Man-machine interface: kunlun ty of 7 inch screen display 3 4 * 2 FD101 text. 2 4 system structure of the system. 3 electrical wiring tutu 4 - Electrical wiring diagram 5 2 system. 5 system control program. Control process tutu 5-1 1 control flow diagram 5. Figure 5-2 feed unit part program 2 communication program to write this article mentioned the PLC control system in paper group is as the host of the control system, the other as from machine, master-slave machine through the MODBUS communication, so the paper group occupied the main part of the communication program in the program, the content of the communication through the form editor, communication content is as follows: FIG. 5 3 communication form host respectively and 2 - ; After five station number of PLC communication, communication data, after a number 43 instruction, the state of M point. 5. 3 printing machine printing unit program text mentioned only two printing group, two group printing process is the same, the difference between these two printing group station number is different, as shown in the figure below. Figure 5 - 4 printing unit and data processing of the main communication unit by external a version of the roll shifting roll coder to feedback to PLC version of the location of the state, as a result of the encoder frequency at around 2 KHZ, this paper adopted the software of high-speed counter HSC5, count operations by X4. Figure 5 - 5 printing unit software high-speed count data processing. 4 slot unit program slotting unit USES is FBS - 60MAR2- AC host, that part of the used six rotary encoder, the main program is to process the count data, FBS - 60 mar host up to eight rotary encoder, 4 20 KHZ and 4 road 5 KHZ software of high speed counter, the function of PLC of the powerful. Figure 5 - 7 die cutting unit to repair die six parts of the program. Figure 6 - debugging process Figure 6-1 control cabinet of the related pictures 2 pictures of the scene debugging through field debugging, the carton printing machine performance meet the requirements of field control, the control scheme is the communication function and the function of high speed counter of PLC. FBS supports a maximum of 5 series of PLC communication, maximum 8 high-speed count function of the road, thus giving the cartons printing industry provides a cost-effective solution.
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