Information Retrieval - Siemens siprotec 7SA522 User Manual

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SIPROTEC 4 Devices
4.3

Information Retrieval

Remote
Local
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DIGSI 4
4-8
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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.
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
to:
q
higher level control systems, or
q
substation control devices, e.g. SICAM SC.
On site, the operator control panel of the SIPROTEC
information.
Information retrieval is simple and fast when DIGSI
a PC to the operating serial interface at the front of the SIPROTEC
mote retrieval of information, communication occurs via a modem connected to the
service serial interface. DIGSI
tion from the device.
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4 is used. For local use, connect
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4 must operate in the Online mode to obtain informa-
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4 device,
4 device can be used to retrieve
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4 device. For re-
7SA522 Manual
C53000-G1176-C119-2