1. can be converted into a standard analog signal through temperature transmission, and transmitted to an analog interface (such as the analog interface of a frequency converter), and then a man-machine interface can communicate with the frequency converter, read the signal, and then the signal is converted into an accurate temperature value through data processing, thus saving a PLC.
2. Connect the signal of the temperature sensor directly to the analog module of Siemens S7200, then connect the module to a CPU, and then read the temperature value with the touch screen, and convert it into the correct temperature value through data processing.