Sungrow SG17RT - Page 81

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Refer to section "5.10.3 Installing the COM Connector" to install the connector.
SG5.0-20RT-P2 can be used with optimizers. NS-1 and NS-2, as well as RSD-1 and RSD-2
can be used for emergency stop. See the table below for details:
table 5-7
NS-1 and NS-
2
RSD-1 and
RSD-2
Whether the
system con-
tains
optimizers
Inverter
NS Protec-
tion(includ-
ing Passive
Valid) is dis-
abled on
iSolarCloud
Shorted
Shorted
No
Emergency stop
Yes
The inverter is in the
standby status if the
DC voltage is greater
than 40 V
The inverter is in the
emergency stop sta-
tus if the DC voltage
is lower than 40 V
Disconnected
No
Emergency stop
Yes
The inverter is in the
standby status if the
DC voltage is greater
than 40 V
The inverter is in the
emergency stop sta-
tus if the DC voltage
is lower than 40 V
Disconnected Shorted No
Emergency stop
User Manual 5 Electrical Connection