Device
163
7SS52 V4 Manual
C53000-G1176-C182-3
5.7 Device
5.7.1 Mode of operation
This section summarizes those annunciations which are not associated with any pro-
tection function.
5.7.2 Setting notes
TO IV-Bit Use parameter TO IV-Bit T103 (5299A/CU) to set the time that may elapse at the
maximum until reception of the synchronization pulse with external synchronization.
5.7.3 Annunciations
Reset Device Annunciation: The device has performed a start-up.
Relevant information: On
Initial start Annunciation: The device has performed an initial restart. All buffers have been reset.
The parameter settings are unaffected.
(Information supplied with the Reset Device annunciation)
Relevant information: On
Resume Annunciation: The device has performed a restart. Only internal buffers have been re-
set. Operational event, fault events, fault records and the parameter settings are un-
affected.
(Information supplied with the Reset Device annunciation)
Relevant information: On
Device OK Annunciation: Device is operational and protecting.
With this annunciation, the readiness relay picks up, and the Error LED goes out.
Relevant information: On
Setting Calc. Annunciation: Setting calculation is running.
Relevant information: On, the function is occupied by the parameter setting process.
Relevant information: Off, the function has been released again.
Settings Check Annunciation: the device is checking the new parameters (on-line parameter setting).
Relevant information: On, check has begun.
Relevant information: Off, the test is completed, i.e. the device is either operative
again, or the new parameters have been saved in a non-volatile memory, or no set-
tings check is running.
Level-2 change This annunciation is output as “On” as soon as the parameter set loaded with DIGSI
has been changed by an on-line parameter setting and the device is operating with the
new parameters.
The annunciation is “Off” as long as the parameter set loaded with DIGSI is not
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