63
1 2
N
Datalogger
OFF
S402
OFF
S402
ON
S402
Figure 3-34 RS485 Network Connection
DANGER:
Disconnect the inverter from the AC grid and PV modules before
removing covers or opening the equipment. Wait at least 5 minutes
after disconnecting from the DC and AC sources before servicing or
maintaining the inverter. Ensure hazardous high voltage and energy
inside the inverter has been discharged prior to servicing.
If there are multiple inverters in the RS485 network, the selector switch
S1 of the last inverter in the daisy-chain should be in ON position, to have
the 120Ω terminal resistor enabled. The selector switch S1 of all other
inverters should be in the OFF position to disable the terminal resistor.
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