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1 Introduction
24
To establish an extensive communication with other digital operating, control and
memory components the device may be provided with further interfaces depending on
the order variant.
The service interface can be operated through data lines. Also, a modem can be con-
nected to this interface. For this reason, remote operation is possible via personal
computer and the DIGSI
central PC.
The system interface ensures the central communication between the device and the
substation controller. The service interface can be operated through data cables or
optical fibres. For data transmission there are several standardized protocols avail-
able. The integration of the devices into automation systems from other manufacturers
can also take place with this profile.
®
operating software, e.g. to operate several devices via a
7SA522 Manual
C53000-G1176-C155-3
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