Time switch based on the S7-300/400 CPUs with simple HMI system
including radio-controlled clock connection
Rev. B - final 19.07.2002 44/84
Copyright © Siemens AG 2005 All rights reserved
BID21669756_Zeitschaltuhr_einfach_DOKU_v20_e.doc
Clock/function Illustration
One-month time switch
One-year time switch
Relative time switch
Summer/wintertime changeover (in the
figure the setting „Program-controlled
changeover“ is active)