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b. When using multiple PB2s:
1. Make sure the inverter is turned off.
2. Connect all PB2s and inverter with power cables.
The positive cable (orange quick plug terminal) is inserted into the battery
positive socket, and the OT terminal is connected to the positive pole of the
combiner box. The negative cable (black quick plug terminal) is connected to
the battery negative socket, and the OT terminal is connected to the negative
pole of the combiner box.
3. Use power cable to connect inverter and combiner box.
4. Use the communication cable to connect the PB2 master station and
inverter. Refer to Section 3.3 for the selection of RJ45 port at the battery side.
5. Connect all PB2s with cascaded communication cables.
6. Connect the grounding cable.
7. Set the address according to Section 3.3.3 "DIP Switch".