Analog inputs, (meaning the module is to convert your voltage or current value to digital, then you can calculate the slope of the current form of the temperature or pressure.) If you ask to read the temperature or pressure values that you must bring the analog sensor output and analog output.
2014年10月31日星期五
Development Plc modules of
Plc modules to today, has formed a large, medium and small series products of all sizes. Can be used for all sizes of industrial control applications. In addition to the logic processing functions, most modern PLC has a complete data computing capability, can be used for a variety of digital control. In recent years, large numbers of PLC functional unit that infiltrated into the position PLC control, temperature control, CNC and other industrial control. And Development Plc modules plus enhanced communication capabilities of human-machine interface communication module plc technology, the use of PLC control system composed of a variety becomes very easy.
Easy to use, well engineering and technical personnel welcome
PLC as general industrial control computer, industrial and mining-oriented industrial equipment. It is easy interface, the programming language is easy for engineering and technical personnel to accept. Ladder language graphic symbols and expression and relay circuit is very close, with only a small switch on the PLC logic control instructions can easily achieve the function relay circuit. Is not familiar with the electronic circuits, computers do not understand the principles and assembly language people use computers in industrial control to open the door.
System design, construction workload is small, easy to maintain, easy to transform
PLC logic instead of using store-wired logic, greatly reducing the external control equipment wiring, the control system design and construction period is much shorter, but also becomes easier to maintain. More important is to change the program of the same device high-speed counter plc has been possible to change the production process. It is suitable for many varieties, small batch production applications.
Small size, light weight, low power consumption
In ultra-small Plc modules, for example, recently produced varieties bottom size less than 100mm, weighs less than 150g, power consumption is only a few watts. Due to small size it is easy to mount inside machinery, mechanical and electrical integration is to achieve the ideal control equipment.
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