Siemens S7-200PLC analog programming thinking - Solutions - Huaqiang

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In short, the analog input is to input the electric quantity signal of the analog sensor and the transmitter into the plc through the analog input template, and the application converts it into a numerical value. The analog output is the application that outputs the value to the corresponding external device through the analog output template. Essential knowledge points:
a, first of all to be familiar with the hardware characteristics of the S7-200PLC analog input and output modules.
b. Be familiar with the wiring method of S7-200PLC analog input and output modules;
c. Be familiar with the way of setting the analog input and output modules of S7-200PLC;
d, to be familiar with the methods of analog-to-digital and digital-to-analog conversion;
e, be familiar with the programming instructions related to S7-200PLC;
f. Be familiar with the analog sensors of your application, the electrical characteristics of the transmitter, and the wiring method.