S5-100U
The Integral Real-Time Clock
Figure 12-9. Flowchart - Transferring Settings to the Operating Hours Counter
Status word
Bit 8=1
no
The operating
hours counter
cannot be used.
Correct the errors.
The operating
hours counter
runs with the new
settings.
yes
Status word
Bit 10=1
yes
no
Settings
incorrect
The operating
hours counter
continues to run
with old values.
Write the settings into
the clock data area
Set transfer bit 10
in the control program
Wait about two seconds
(entering a wait program
)
*
*
The lower part of the flow chart has only a diagnostic function.
There is nothing you must perform.
Possible errors:
- Clock is not
available.
- Clock system data
is incorrect or not
available.
- Clock data area is
too small.
- Clock is defective.
EWA 4NEB 812 6120-02b
12-31
Summary of Contents for SIMATIC S5-100U
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Page 21: ...1 The SIMATIC S5 System Family EWA 4NEB 812 6120 02b ...
Page 22: ...Figures 1 1 Members of the SIMATIC S5 System Family 1 1 EWA 4NEB 812 6120 02b ...
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Page 505: ...B Dimension Drawings EWA 4NEB 812 6120 02b ...
Page 515: ...C Active and Passive Faults in Automation Equipment EWA 4NEB 812 6120 02b ...
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Page 523: ...D Information for Ordering Accessories EWA 4NEB 812 6120 02b ...
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Page 531: ...E Reference Materials EWA 4NEB 812 6120 02b ...
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Page 535: ...F Siemens Addresses Worldwide EWA 4NEB 812 6120 02b ...
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Page 543: ...Index EWA 4NEB 812 6120 02b ...
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