[dwmulti7-070611-01.tif, 1, en_US]
Figure 3-50 Connection via 2-Wire Copper Cables
The connection to a communication converter with an integrated 5-kV isolation voltage is established with
128 kBit/s (KU-KU-128 setting in accordance with Table 3-13). A 20 kV isolation of the 2-wire connection is
possible via an external 7XR9516 isolating transformer.
[dwrepeat-070611-10.tif, 1, en_US]
Figure 3-51 Direct Fiber-Optic Connection via an External Repeater
The repeater offers an interface for connecting an additional protection interface. The connection to a
repeater is established with 512 kBit/s (repeater 512 setting in accordance with Table 3-13).
[dwmutip8-070611-01.tif, 1, en_US]
Figure 3-52 Direct Optical Connection to a Multiplexer with a C37.94 N * 64 kBit/s Interface (Time Slot N =
1; 2 or 8)
NOTE
The redundancy of different communication connections (for the ring topology) requires rigorous separa-
tion of all devices involved in the communication. Therefore, avoid different communication routes via the
same multiplexer board, as no more substitute paths are possible if the board fails.
System Functions
3.5 Protection Communication
106 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
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