Mounting and Commissioning
3.2 Checking Connections
SIPROTEC, 7SD610, Manual
C53000-G1176-C145-6, Release date 02.2011
292
3.2.2 Checking the Protection Data Communication
The protection data communication is conducted either directly from device to device via optical fibres or via
communication converters and a communication network or a dedicated transmission medium.
Optical Fibres, Directly
WARNING!
Warning of Laser rays
Do not look directly into the fibre-optic elements, not even with optical devices! Laser class 1 according to EN
60825-1.
The direct optical fibre connection is visually inspected by means of an optical fibre connector. There is one
connection for each direction. The data output of one device must be connected to the data input of the other
device and vice versa. Transmission and receiving connections are identified with the symbols for trans-
mit and for receive. The visual check of the assignment of the transmission and reception channels is
important.
For short distances, laser class 1 is fulfilled if FO5 modules and the recommended fibres are used. In other
cases, the laser output may be higher.
Communication Converter
Optical fibres are usually used for the connections between the devices and communication converters. These
optical fibres are checked in the same manner as the direct optical fibre connections.
Make sure that under the address 4502 CONNEC. 1 OVER the right connection type is parameterized.
Further Connections
For further connections a visual inspection is sufficient for the time being. Electrical and functional controls are
performed during commissioning (see the following main section).
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