Mounting and Commissioning
3.2 Checking Connections
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
257
• Open the protective switches for the voltage transformers and the power supply.
• Check the trip and close circuits to the power system circuit breakers.
• Verify that the control wiring to and from other devices is correct.
• Check the signaling connections.
• Switch the mcb back on.
Screw terminals for connection modules:
The connection module is available in 8-pin design for current connections and in 14-pin design for voltage con-
nections.
Figure 3-20 Current and voltage terminals
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