Device and Program Model of Pneumatic Mechatronic Complex Control

The article deals with the pneumatic mechatronic complex (PMC), which is controlled by an interactive touch panel by a human operator. A pneumo-electric circuit for connecting components of the mechatronic complex is presented. The pneumatic mechatronic complex consists of electrical, electronic, pneumatic, pneumo-electric components and software. A functional map of the technological process of fixing a floating object, moving and storing in a storage tray, which includes 13 steps, is constructed. To control the PMC, a programmable logic controller (PLC) Siemens S7-1200 and a touch panel Siemens HMI KTP 400 Basic are used. The interconnection of PMK components is carried out through the construction of an industrial communication network. The industrial network is implemented using the Ethernet interface. The Ethernet switch Siemens Scalance XB05 combines a PLC, a touch panel and a personal computer into a common network. For each device, you specify the IP address and subnet mask. To implement the stages of the technological process, an experimental view of the operator’s screen was developed. On the touch panel, buttons are displayed so that the human operator can control the PMC in manual mode. Program control PMC is implemented in the Tiaportal v.14 environment using the LAD programming language (Ladder Diagram). The article shows and describes parts of the code that implement: moving up / down the rodless cylinder of the carriage with the grip; retraction and extension of the cylinder with grasping; opening and closing of the grasp; supply and deactivation of air in the nozzle; extension of the cylinder supplying objects to the zone of action of the air stream. An experiment was conducted to reveal the time for performing operations of the technological process of fixing the floating object, moving and storing it in the storage tray. The commit of the execution time occurred separately for each stage and for the complete cycle from the start position to the return of the object to the storage tray. The amount of time for performing individual operations was approximately 17 seconds. The complete cycle man-operator can perform in 22 seconds.

rogrammable logic controller (PLC), interactive sen-sorbed panel, pneumatic mechatronic complex (PMC), fixation of a floating object, functional map

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