SolaX Power X3-ULTRA X3-ULT-15KP Manuel D'installation page 77

4. DIO Communication Connection
Application
For generator dry contact
output
For system switch dry
contact input
Reserved
Reserved for connecting the
shielding layer of the cables if
there is strong interference in
the surroundings.
Pin
1
2
3
4
5
6
7
Pin assignment
DO_1
DO_2
DI_1+
DI_1-
DI_2+
DI_2-
GND_COM
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