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Step 4: Insert the cable connector into COM port at the bottom of inverter and screw it tightly. Then insert
other side of the network cable into PC or another device.
B. On-Grid Parallel Connection
H3/AC3 series Inverter provides the parallel connection function which should make ten inverters
maximumly connected in one system when the grid is on. In this system, one inverter will be set as the
"Master inverter" which will control every other inverter's energy management and dispatch control. Only
one meter needs to be connected in this system and communicate with the "Master inverter", and all
other slaver inverter communicate with "Master inverter" by CAN communication-parallel connection.
Please note the parallel connection function can only be used when the grid is on. The off-grid parallel
connection function is being developed.
Parallel 1/2 are the ports used in parallel. The system diagram is as follows:
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