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Delta Electrical products in the automatic pillow packaging machine applications

When the cursor through the work; in the vertical is the main axis of the feed system to install a 360 line encoder, the total length of the length of the bag (through the PLC to achieve high-speed counting.) 1,2 electrical control system through the principle of human-machine interface corresponds to face-setting bag length (packaging film distance between the two cursors), bag length setting bags can also start the system to achieve long-automatic measurement. Press the bag length automatic measurement button, the servo system at a fixed speed start, drive vertical sealing system to send material. When the photoelectric switch detects the first packaging film when the cursor begins to accrue long, when you run the cursor comes to the next stop Comptroller, and to calculate the length of the show to the man-machine interface. Press the store button, put the length of the feeding PLC,magasin abercrombie, as the current package Buddhist monk's robe film sealing and cutting the length of time, shown in Figure 1. Collection system using PLC communication frequency of the inverter commands and output frequency F H, the two frequencies by calculating the average (and so to avoid capture a single output frequency when the delay),louboutin københavn, as the drive current frequency. Obtained by calculating the current speed of the motor V, according to the mechanical structure of the transmission ratio can be calculated from the current cross-section of blade rotation speed R (r / min), as the China Packaging 2006 / 2, the basis for film feeding speed. 2. 2.1 Control system design hub control system control diagram is partly based on Delta PLC, and the integration of Delta HMI, servo, inverter, etc. to achieve the packaging machine feed and set the standard in Figure 1 is indeed man-machine interface package, the system control part as shown in diagram 2. Man-machine interface: Rs a 232PLC encoder '▲,: drive - servo system control block diagram of Figure 2,abercrombie milano, which, PLC is the heart of the system, for signal and data processing, its performance determines the quality of the whole system. System selected Delta DVP-20EH, this model has a three-way high-speed counting AB phase (where two single-phase bandwidth of 200K) and two high-speed pulse output (a bandwidth of 200K), a powerful floating-point functions and a rich peripheral set of instructions】. Man-machine interface for parameter input and control commands issued. System uses the DOP-A57GSTD, it has 16 grayscale display, high-speed hardware architecture, can be achieved online / offline simulation, presented to the user a really good, could be the input interface [2】. Encoder to provide position feedback signal, and inverter (optional Delta AFD-015S23), the servo system (DELTA 750W servo controller), PLC to form a closed loop control system. 2.2 Functional Implementation (1) Alignment from Bo inert cutting move through the points (respectively transverse and longitudinal sealing knife jog feed) to cross knife cut just the cursor position in the packaging film, and then press start teaching model button, the servo system at a fixed rate of start-driven feeding longitudinal sealing system. PLC also began to count long run to cursor position when the time server to send automatic film stop cross-section of Figure 3, the Chinese turtle man-machine interface equipment ... 20l = 06j /, _2 only, and the current total length of data to the current human-machine interface page. When you press the relative position of the store, PLC relative position of the current packaging, shown in Figure 3N. (2) T set almost Bo Wang research aligned manually set, you can enter directly in the relative position of man-machine interface, at run time by running left and right images in the direct numerical input buttons to adjust the cutter position. Figure 4. Figure 4 cross-section of man-machine interface manually set (3), said closure ic research talk can get equipment running, cross-cutting knife to run every week, cut point close to the switch to an external interrupt through the PLC, collecting the current encoder count value, and stored with the PIC to compare the relative position, according to the size of the difference between positive and negative, issued by the PLC to calculate the frequency of command pulse. (4) dichotoma It features man-machine interface through the panel or can start, stop,tory burch London, jog feed, the cutter jog, the whole point of moving and so, at run time, can detect the current operating speed, the number of records processed, and can be realized cleared. 2. LCI / o Distribution jog encoder pulse j ... ... _1 fixed line / j to stop all the knife cursor position detection / l Servo emergency stop command to enable the servo pulse l_ _l_ j machine to move the output drive enabled 3. Conclusion The system can meet the users needs to run under a variety of situations, to solve some of the shortcomings of traditional equipment, stable operation, sealing accurate, easy to operate. Came together in the industrial areas of integrated solutions ((using Delta DVP-EHPLC,ed hardy danmark, Delta VFD-M inverter, servo systems, encoders and Delta DOP-A human-machine interface), so that the system Also have a very good price, good marketing value. References: slightly

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