S7-226XM PLC output does not stop the solution to the problem:
S7-226XM PLC, after conversion, the normal voltage output of an analog signal is 9V. However, when the output subroutine is no longer called, there is still an analog output, and even after the mode is turned on to STOP, the analog port has a 9V DC voltage output. This is mainly because the value of the analog map area has not changed, so it remains. Clear it and the problem is solved. This is where Siemens PLC and other PLCs are different.
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