Siemens S5-100U - The Integral Real-Time Clock, for CPU 103 Version 8 MA02 and Higher

12 The Integral Real-Time Clock, for CPU 103 Version 8MA02 and Higher
12.1 Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 1
12.2 Setting Parameters in DB1, for CPU 103 Version 8MA03
and Higher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 2
12.2.1 Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 2
12.2.2 Reading the Current Clock Time and the Current Date . . . . . . . . . . 12 - 3
12.2.3 DB1 Parameters Used for the Integral Real-Time Clock . . . . . . . . . . 12 - 4
12.3 Programming the Integral Real-Time Clock in DB1,
for CPU 103 Version 8MA03 and Higher . . . . . . . . . . . . . . . . . . . . 12 - 5
12.3.1 Setting the Clock in DB1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 5
12.3.2 Setting the Prompt Time in DB1 . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 6
12.3.3 Setting the Operating Hours Counter in DB1 . . . . . . . . . . . . . . . . . 12 - 7
12.3.4 Entering the Clock Time Correction Factor in DB1 . . . . . . . . . . . . . 12 - 7
12.4 Structure of the Clock Data Area . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 8
12.5 Structure of the Status Word and How to Scan it . . . . . . . . . . . . . . 12 - 12
12.6 Setting Parameters for the Clock Data Area and the Status Word
in the System Data Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 15
12.7 Programming the Integral Real-Time Clock in the
User Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 21
12.7.1 Reading and Setting the Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 21
12.7.2 Programming the Prompt Function . . . . . . . . . . . . . . . . . . . . . . . . 12 - 25
12.7.3 Programming the Operating Hours Counter . . . . . . . . . . . . . . . . . . 12 - 30
12.7.4 Entering the Clock Time Correction Factor . . . . . . . . . . . . . . . . . . . 12 - 35
EWA 4NEB 812 6120-02