Model Current Rating Wire size
RPI M30A_121 DC 30A 6 mm / 10 AWG
2
RPI M50A_120 DC 15A 4 - 6mm / 12 - 10 AWG
2
RPI M50A_122 DC 15A 4 - 6mm / 12 - 10 AWG
2
Table 4-5 Cable size
Figure 4-15 DC Wiring illustration
Figure 4-16 Communication module
DC wiring polarities are divided into positive and negative, which is shown
in Figure 4-15. The connection shall be coherent with the indication marked
on inverter.
PV-KBT4/6 Ⅱ
PV-KST4/6 Ⅱ
4.5 Communication Module Connections
Please refer to Figure 4-16 for the Communication Module illustration.
The module provides VCC, RS-485, dry contact, EPO, and Digital Input
terminals for different use.
** Please using diameter Φ3.5 ~ Φ4.9 cable wires. **
EPO*1 &
Digital Inputs*6
Dry Contact*2
VCC & RS-485
Terminal Resistor & VCC Switch
36
Wiring
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