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S5-115U Manual
Tables 13-5 to 13-8 contain information on the meaning of the signal states of the flags.
Clock Flags
Table 13-5. Meaning of the Clock Flags (Bits 0, 1, 2 and 3 of the Status Word)
Bit Number
Signal State
0
1
2
3
Operating System Flags
Table 13-6. Meaning of Bits 4 and 5 of the Status Word
Operating
Bit in the
Mode
Status Word
STOP
4
5
RUN
4
5
EWA 4NEB 811 6130-02b
1
Error when entering settings
0
No error when entering settings
1
12-hour representation (clock mode)
0
24-hour representation (clock mode)
1
Transfer settings
0
Do not transfer settings
1
Clock time can be read
0
Clock time cannot be read
Signal
Meaning
State
1
The clock updates only words 0 to 3 in
the clock area (current clock time/
current date). The clock can be set
with the "FORCE VAR" programmer
function.
Die Uhr aktualisiert den Uhrendaten-
0
The clock does not update the clock
data area. Word 0 to 3 contain the
time of the last RUN/STOP change.
1
Words 18 to 21 contain the time of
the last RUN/STOP change or the time
of the last POWER OFF if bit 4 is also
set.
0
Words 18 to 21 are not used.
1/0
The clock updates the clock data area
continuously (words 0 to 17).
1
Words 18 to 21 contain the time of
the last RUN/STOP change or the time
of the last POWER OFF.
0
Words 18 to 21 are not used.
Integral Real-Time Clock
Meaning
13-11
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