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i am a new user of the siemens plc programming software V5+sp4 and am very confused in use. is there a difference betwin it and the microwin v4.0.............!!!! when i search for exemple the add a to lad program in the v5 a block of read_rtc i don't found it , wich it exist in the microwin v4 version???
Siemens s7 300 PLC Questions
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