In People's Daily life, shopping, bookkeeping, learning, etc., all related to the number, we can use the calculator, calculator is really important. Generally calculator made by arithmetic unit, controller, memory, keyboard, display, power supply and some optional peripherals and electronic parts by manual or machine equipment. In some ways, generalized the "computer" is including the electronic calculator. There are integrated circuit in the electronic calculator, but the function of the calculator is simple, cheap price, good for carrying and good stability.
Based on PLC design of the electronic calculator than traditional calculators are more reliable, more convenient, better performance, easier to adapt to the rapid development of society, greatly convenient people's life. With electronic calculator for development, and its use scope is more and more widely, the future will be more demand for electronic calculator, one of the most advanced controller and PLC as a contemporary, based on the design of the calculator has incomparable advantages than traditional electronic calculator, so this subject is based on programmable logic controller (PLC) in the future design of electronic calculators to get a bigger breakthrough.
In order to consolidate the knowledge in the four years at college, in the design in order to realize the functions including two points, one is to realize the arithmetic of simple addition, subtraction, multiplication, and division, but using the configuration simulation computer images. CX - this will be used for two software Programmer and kingview, respectively is used to write procedures and implement the configuration screen. Through consulting a large number of data, and with the help of the teacher, completed the design of ladder diagram. In ladder diagram, using the MOV, PLT and floating-point arithmetic and related instructions. Using the kingview software and PLC communication, through kingview carries on the simulation, real-time monitoring.
KEY WORDS : Electronic calculators, PLC, Ladder,Configuration