Warranty, Liability and Support
Time switch based on the S7-300/400 CPUs with simple HMI system
including radio-controlled clock connection
Rev. B - final 19.07.2002 22/84
Copyright © Siemens AG Fehler! Unbekannter Name für
Dokument-Eigenschaft. All rights reserved
BID21669756_Zeitschaltuhr_einfach_DOKU_v20_e.doc
Optional software components (required only when a radio-controlled clock
is to be used):
Tabelle 2-4 Optional software component
Component Description
FB77 “DCF77_FB”
This standard function block has already been
implemented in this application. It is required only when a
radio-controlled clock is to be used.
Regardless of this application a STEP7 project including
the function block FB77 is available at the following
address:
http://www.ad.siemens.de/siplus/additions/html_00/doku
mentation.shtml
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