Sungrow SG125HV, Руководство пользователя

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6 Electrical Connection User Manual
64
Logger 3000 is optional parts and can be ordered from Sungrow.
6.6 Configurable Dry Contact
There are Fault Alarm dry contacts and Local Stop dry contacts located on the
configurable circuit board.
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.