Supervision of Communication Connections
SIPROTEC 5 devices offer extensive communication possibilities via fixed and optional interfaces. Beyond the
hardware supervision of the communication plug-in modules the transferred data must be monitored with
respect to their consistency, failure, or outage.
Supervision
With the supervision of the communication connections, every communication port is monitored selectively.
•
Failures are detected and indicated via the operational log. The device remains in operation!
•
Each port additionally is equipped with a separate communication log, with which details of the failures
(for example, error rate) are displayed.
Marking Fault Signals/Data
The signals/data affected by the failure are marked as invalid. In this way, the affected protection functions
can go into a secure state. In the following, some examples are named:
•
GOOSE signals can automatically be set to defined values in case of disturbed IEC 61850 communication.
•
Disturbed time-synchronization signals can lead to an automatic change of the source of time synchroni-
zation.
Normally, you can correct communication failures by checking the external connections or by replacing the
affected communication modules. In chapter to
, you will find the detailed description,
in tabular form, of the error responses. Corresponding corrective measures can also be found there.
8.7
Supervision Functions
8.7 Supervision of Communication Connections
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SIPROTEC 5, Fault Recorder, Manual
C53000-G5040-C018-5, Edition 11.2017
Summary of Contents for SIPROTEC 5
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