SIPROTEC
®
4 Devices
4-97SA6 Manual
C53000-G1176-C133-1
4.3 Information Retrieval
A SIPROTEC
®
4 device has an abundance of information that can be used to obtain
an overview of the present and past operating conditions of the device and the portion
of the power system being protected or controlled by the device. The information is
represented in separate groups:
q
Annunciations,
q
Measurements,
q
Oscillographic fault records.
Remote If the device is integrated into a substation control system, then information transfer
can take place, via a connection to the system interface of the SIPROTEC
®
4 device,
to:
q
higher level control systems, or
q
substation control devices, e.g. SICAM SC.
Local On site, the operator control panel of the SIPROTEC
®
4 device can be used to retrieve
information.
DIGSI
®
4 Information retrieval is simple and fast when DIGSI
®
4 is used. For local use, connect
a PC to the operating serial interface at the front of the SIPROTEC
®
4 device. For re-
mote retrieval of information, communication occurs via a modem connected to the
service serial interface. DIGSI
®
4 must operate in the Online mode to obtain informa-
tion from the device.
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