Sungrow SG250HX-IN-20, User Manual

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53
Use LED indicators or other equipment to indicate whether the inverter is in the faulty
state. The following figures show the typical applications of normal open contact and
normal close contact:
F Fiig gu urre e 5 5--6 6 Normal open contact
F Fiig gu urre e 5 5--7 7 Normal close contact
Devices connected to the relay should comply with related requirements:
A AC C--S Siid de e R Re eq qu uiirre em me en nttss D DC C--S Siid de e R Re eq qu uiirre em me en nttss
Max. voltage: 250Vac
Max. current: 5A
Max. voltage: 30Vdc
Max. current: 5A
D DII tte errm miin na all ((e em me errg ge en nc cyy sstto op p d drryy c co on ntta ac ctt)):: the dry contact can be configured to be an
emergency stop contact.
When the DI contact and GND contact are shorted by external controlled switch, the
inverter will immediately stop.
The dry contacts only support passive switch signal input.
The following figure shows the typical application of local stop dry contact.
User Manual 5 Electrical Connection