Delta M15A-220 Operation And Installation Manual page 35

Grid-tie transformerless solar inverter
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Installation
Terminal Resistor
120Ω(1/2W)
DATA+ to DATA-
RS485/USB
or
RS485/RS232
Figure 3-19: Multiinverter connection illustration
Table 3-4: Bus Termination switch settings
Switch 1
ON
Terminal Resistor ON
OFF
Terminal Resistor OFF
35

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