Based On Plc Pneumatic Automatic Production Line

Because of pneumatic technology has a serials of advantages of clean,efficient,small lightweight and integration,modern pneumatic technology and electronic technology,such as the combination of PLC for large-scale industrial automation line the realization,provided more technology selection and application platform.At present,the combination of PLC and pneumatic technology has been widely used in mechanical,chemical industry,packaging, electronic, pharmaceutical and other various industrial areas of automatic production line, with PLC as control core of the pneumatic automatic production line in the industrial control area research has certain theoretical and realistic significance.This design using southwest petroleum university of petroleum electrical information institute of rockwell automation oil-gas automation laboratory network platform and hardware and software,design completed based on PLC pneumatic automatic production line of research,Complete the following job.In-depth analysis NetLinx network architecture, the main module of ControlLogix system are analyzed,lay the foundation for system design selection.This design will be application Ethernet,control nets two layers of network.The design and construction of system. With a new generation of PLC Contrllogix-ControlLogix 1756 for controller,to compressed air to execution medium,with pneumatic automatic production line for controlled object,and focus on the I/O port planning,through the etheric online PC constituted remote real-time monitoring system.Use communications configuration software RSLinx Classic to create bottom system, realize controller and PC communications,and between the software data transmission,use RSNetWorx for ControlNet software for configuration and configuration with control network, used RSLogix5000 software to programming with Contrllogix controller,use RSView32 software,designed the PC human-machine monitor screen, finally realize through the network to the upper machine field devices remote real-time monitor.Establish pneumatic manipulator servo position control system model,add PID Control and PID Control with Gradual approaching input value,using MATLAB Simulink tool setting appropriate parameters, based on the simulation results of the two algorithms of comparative analysis,theoretically proved system can achieve good control effect.This design success achieved in PLC as control core, through the PC for real-time monitoring of pneumatic automatic production line. This system is open expansion,easy to upgrade and flexible,it has certain theoretical significance and application value on the actual industrial application.