Siemens SIMATIC S5-95F, Manual

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The Integral Real-Time Clock S5-95F
When you set the clock, you have to transfer only the data needed to implement a particular
function. For example, if you want to change only the clock function data, you do not have to enter
data for the time prompt function or for the operating hours counter.
Table 10-1 provides you with information about where specific clock data is located within the clock
data area. The explanations for Table 10-1 follow the table.
Table 10-1. Clock Data in the Clock Data Area
* Significant only in the 12-hour mode Bit 7=1 means PM, bit 7 =0 means AM
Clock Data
Area
(Data Word)
4
3
Second
---
Seconds
Hours · 10,000
---
Hours · 100
Seconds
Second
---
Minute
Second
Weekday
Hours · 100 Hours · 10,000
Second
Clock time/date after
a switch from RUN
to STOP or POWER
OFF (only if bit 5 in
the status word = 1)
Settings for
operating hours
counter
Current operating
hours
Time prompt
Settings for clock
time/date
Current clock
time/date
0
1
2
6
7
5
8
10
11
9
12
13
14
16
17
15
18
20
21
19
Left Flag Word Meaning Right Flag Word
---
Day
Year
Minute
Weekday
Month
AM/PM (Bit 7)
*
, hour
---
Year
Minute
Day
---
---
Day
Minutes
Minutes
Hours
Hours
Weekday
AM/PM (Bit 7)
*
, hour
Month
AM/PM (Bit 7)
*
, hour
Month
Year
Minute
Weekday
AM/PM (Bit 7)
*
, hour
Month Day
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10-4
EWA 4NEB 812 6210-02