Sungrow SG125HV-30, Руководство пользователя

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5 Electrical Connection User Manual
54
COM1 NC1 NO1 COM1
ALARM
B2 A2 B2 A2
RS485_2
A1 B1 A1 B1
RS485_1
DIN1 PGND DIN1 PGND
LOCAL STOP
Fault Alarm dry contacts
The dry contacts can be configured as fault alarm. When the inverter is running
normally, the two terminals NC&COM are short-circuited. when a fault occurs,
the two terminals NC&COM are break out. The two terminals NO&COM are
opposite.
The cross section area range of
dry contact’s cable is 28AWG…16AWG.
The devices to be connected to the dry contacts must comply with the related
requirements:
AC Requirements DC Requirements
Max. Voltage: 250Vac
Max. Current: 5A Max. Voltage: 30Vdc
Max. Current: 5A
Local Stop dry contacts
The dry contacts can be configured as Local Stop. When the two terminals
PGND &DIN1 are short-circuited, the inverter will stop running immediately. In
this case, if the two terminals PGND &DIN1 are disconnected, the inverter will
return to the previous state.

Multiple inverters connected in a daisy chain topology
The dry contacts only support passive switch signal input.