SIPROTEC 4 Devices
4-317SJ62 Manual
C53000-G1140-C121-1
4.14 Serial Interfaces
Devices in the SIPROTEC
®
4 family can be equipped with up to three serial interfaces
and a time.
q
The system interface on the back panel of the device is used for connection to a
SCADA, such as SICAM SC,
q
The time control interface on the back panel of the device is used for time synchro-
nization (e.g. IRIG B),
q
The service interface (DIGSI
®
4, Modem) on the back panel is for connection to re-
mote diagnostic facilities, e.g. DIGSI
®
4 via modem and/or a star connection. All
DIGSI
®
4 operations are possible via this interface,
q
The PC-interface at front is used for on-site connection of a PC, on which DIGSI
®
4
is installed. All operations that are possible using DIGSI
®
4 can be done at this in-
terface.
In the DIGSI
®
4 Interface Settings window (under Serial Ports) there are, among other
items, settings for:
q
Transmission protocols and
q
Transmission speeds.
Note:
The service (DIGSI
®
4, Modem) and system interface (SCADA) can be configured
with different modules for connection to other devices via optical fibers or an RS 232/
485 bus.
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