Siemens SENTRON VL Series System Manual page 62

3WL air circuit breakers
3.5 External CubicleBUS modules
Connection of the CubicleBUS without COM15
The figure below shows the connection of external CubicleBUS modules to the
SENTRON WL without COM15.
● Make the first connection with four wires.
● Connect the CubicleBUS with RJ45 connectors using the supplied CubicleBUS cables.
● Connect the power supply to the X3 interface.
①
Only with more than 2 CubicleBUS modules: Connecting cable between X8 and the first CubicleBUS module for
power supply with 24 V DC
②
Connecting cables between the modules
③
Terminating resistor 120 Ω 0.5 W on the last module
④
CubicleBUS modules
⑤
Cable connection for power supply with 24 V DC
Figure 3-15 Connection of the CubicleBUS without COM15
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3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02