Siemens SIMATIC S7 400 Application Description page 44

Time switch based on the S7-300/400 CPUs with simple HMI system
including radio-controlled clock connection
Clock/function
One-month time switch
One-year time switch
Relative time switch
Summer/wintertime changeover (in the
figure the setting „Program-controlled
changeover" is active)
Rev. B - final 19.07.2002
Illustration
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