Configuration
5-497SA522 Manual
C53000-G1176-C119-2
Figure 5-47 Dialogue box for time synchronization and format in DIGSI
®
4
Here you may select the time standard for internal time stamping by selecting from the
following modes:
The RTC runs, even when the auxiliary voltage is absent, by means of an internal bat-
tery. During the device powering up, or if the auxiliary voltage has failed, this RTC is
the first synchronization source for the internal clock, independent of operating mode
selected.
In “,QWHUQDO” mode, the system time is controlled using only the RTC as the syn-
chronization source. It may be set manually. The procedure for manual date/time set-
ting is given in Section 7.2.1.
If an external source is selected, only the selected synchronization source is used. If
the source fails, the internal clock continues unsynchronized.
If time synchronization is to take place via a master control system, the option IEC–
60870–5–103 or PROFIBUS FMS* must be selected (Figure 5-47).
*: not available in firmware Version 4.0 and 4.1
Table 5-10 Operating modes for time synchronization
Item Operating Mode Explanations
1 I
QWHUQDO Internal synchronization using RTC (pre-set)
2 ,E& ²² External synchronization using the system interface and the
IEC 60870–5–103 protocol
3 P
52),%86)06 External synchronization using PROFIBUS interface
4 ,R,*%7LPHVLJQDO External synchronization using IRIG B
5 '&F7LPHVLJQDO External synchronization using DCF 77
6 SIMEAS Time signal
6\QFB
R[
External synchronization using SIMEAS Sync. Box
7 3XOsHYLDELQDU\
LQSXW
External synchronization with pulse via binary input
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