Figure 5-27 Securing the signal cable connector
----End
5.5.3 Connecting the Rapid shutdown signal cable
Procedure
Step 1 Connect the signal cable to the signal cable connector.
● If optimizers are congured for some PV modules, the rapid shutdown function
is not supported.
● To enable the rapid shutdown function, you need to connect the access switch
to pins 13 and 15. The switch is closed by default. The rapid shutdown is
triggered when the switch changes from closed to open.
Figure 5-28 Installing the cable
SUN2000-(12K-25K)-MB0 Series
User Manual 5 Electrical Connections
Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 59