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9 Appendix
9.1 Compatible Inverters and Pin Definition
DDSU666-CT
DDSU666-CT can only be connected to single-phase inverters. It is compatible with the
following single-phase inverters. While connecting the cables, pay special attention to the
connector type and the pin number of the inverter.
Table 9-1 Compatible Inverters and pin definition
Terminal type
type
Pin No.
Pin
definition
Remarks
X1-HYB LV RJ45
4 485A
Select either
COM1, COM2 or
COM3
5 485B
X1-AC RJ45
7 485A
—
8 485B
• X1-HYB G4
• X1-FIT G4
• X1-IES
RJ45
4 485A
—
5 485B
• X1-MINI G4
• X1-BOOST G4
RJ45
4 485A
—
5 485B
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