Time switch based on the S7-300/400 CPUs with simple HMI system
including radio-controlled clock connection
Rev. B - final 19.07.2002 56/84
Copyright © Siemens AG 2005 All rights reserved
BID21669756_Zeitschaltuhr_einfach_DOKU_v20_e.doc
The HMI views for operating the application are divided in two parts:
• The upper parts contains the input boxes (in white) as well as the
buttons necessary for operation. If a limit value violation occurs at the
input boxes, the input boxes will be grayed.
• The lower part contains the output boxes which display the clock status
as well as the current system time from the CPU.
Input
boxes
Buttons for
operation
Output
boxes
Fig. 6-1 Overview “operating the application“
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