GE intelligence platform PLC application in reverse osmosis water treatment industry machine

GE intelligence platform application of PLC in reverse osmosis water treatment industry machine GE intelligence platform welcome to e hall exhibition hall 3 PLC PLC controller programmable controller, PLC programming cable. 。 。 Abstract: this paper combining with the working process and characteristics of reverse osmosis water treatment machine, discusses the general electric automation VERSA MAX of programmable controller in the application of reverse osmosis water treatment machine control system, introduces the control system composition, software design and the control system in the application of the main function and its characteristics. In reverse osmosis water treatment industry project name GE PLC application background in the preparation of the application of industrial pure water machine process, often use reverse osmosis technology for most of the region and the demand of customer, we make the commonly used reverse osmosis machine. The GE PLC control. Customer demand customer need to control the osmotic pressure of high-pressure pump, the machine running status monitoring and alarm. Must have the necessary safety operation requirements. Solution of this machine is widely used for industrial and commercial purposes, and used all over the world. GE VERSA MAX MICRO small programmable controller and touch screen man-machine interface ( 快速面板) As the core of the control system. VERSA MAX MICRO has the advantages of compact structure, and the advantages of speed, strong function, can stable operation under the poor working environment. Reverse osmosis principle: reverse osmosis is a concentrated solution with a semipermeable membrane contact pressure and natural osmosis phenomenon produced by the reverse process. When separated by a semipermeable membrane solvent and solution ( Or different concentration solution of) The pure solvent to the solution through membrane phase ( Or solvent from low concentration solution to the high concentration of solution) Have a spontaneous flow, this phenomenon is called infiltration. If at the side of the solution, Or concentrated solution on one side) And a pressure to block the solvent flow, the penetration rate will decline, when pressure is increased to make full stop, penetration tends to be the pressure balance, this balance pressure called osmotic pressure. If further increase the pressure in the side of the solution, cause solvents by solution of lateral side ( The lateral side of low concentration solution or high concentration solution) Flow, this phenomenon is called 'reverse osmosis'. After the system is ready to send the water pump, water electromagnetic valve opens, high-pressure pump after open the hydraulic water (reverse osmosis membrane to produce products that Solvent) 。 Figure 1 water production work flow chart of control considering the reverse osmosis system needed by the number of input and output points, the control program arrangement and PLC program memory capacity, choose one with 40 digital quantity input, 24 road relay output and four high-speed counter module, and a four analog input, two analog output analog module. This system USES a GE's QUICK 60 touch screen as the display PANEL, interactive equipment, it by special cable with the PLC host module, mainly used for the parameters setting, alarm display, working state directives and system debugging, etc. , the use of touch screen for the system to create an environment friendly interaction. GE PROFICY MACHINE EDITION is a contains a number of software products in the environment. Each of these software products are independent, but each product in the same environment, and this is very similar to Microsoft Office software package. It can contain word processing software, spreadsheet program database program and graphics display program, each program can be run separately. But they have a common look and feel of the interface, programming available ladder diagram and instruction list. Results GE the performance of the company's products also makes the control system has high stability, it is very important for reverse osmosis machine. The PLC controller control system synthetical for several reasons, PLC and singlechip compared to drive ability, electric has simple structure and higher stability, price of industrial control computer and maintenance costs are higher than the PLC, choose PLC control system, not only can fully realize the required function, make full use of system resources, reducing the costs of the whole machine. Using this system reverse osmosis machine has been widely used in many countries and regions, they are now in stable operation, good performance of GE PLC control system is verified.
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