Siemens SIMEAS R-PMU, Manual, Page: 112 / 296

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112
Digital Fault Recorder, SIMEAS R-PMU, Manual
E50417-H1076-C360-A5, Release 10.2012
‰
Send PC system time
Clicking this button transfers the PC time displayed in this menu to the SIMEAS R-PMU.
The minimum interval for setting the time has been limited to 4 hours; otherwise the
measurement system might be disturbed. During this interval, the time can be set manually by
pressing the buttons
Test mode
or
Lock mode
at the front panel and executing the
Send PC
system time
command.
Automatic mode
In the automatic mode, date and time of the SIMEAS R-PMU are set cyclically at
parameterizable intervals. The cyclical time setting ensures that deviations of the
unsynchronized RTC are kept at a minimum.
To go to the input mask
Automatic timing settings
, select the menu command
Settings
→
Automatic mode
→
Setting the time
in the OSCOP P module (DAKON mode)
Transfer
.
Note
The
Time setting in automatic mode
function is available in the server mode of OSCOP P!
Table 9-1 Maximum time drift of the unsynchronized RTC
Period Max. time drift
1 second ±30 µs
1 minute ±1.8 ms
1 hour ±108 ms
1 day ±2.592 s
1 week ±18.144 s
1 month ±77.760 s
1 year ±946.080 s