● 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 5-31 Installing the cable
Step 2 Connect the signal cable connector to the COM port.
Figure 5-32 Securing the signal cable connector
----End
5.7.4 Connecting the Power Grid Scheduling Signal Cable
Cable Connection
The following gure shows the cable connections between the inverter and the
Ripple Control Device.
SUN2000-(8KTL-20KTL)-M2
User Manual 5 Electrical Connections
Issue 11 (2023-02-07) Copyright © Huawei Technologies Co., Ltd. 65
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