Communication Module Connections - Delta RPI M30A Operation And Installation Manual

Wiring
Model
RPI M30A_121
RPI M50A_120
RPI M50A_122
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

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. **
Current Rating
DC 30A
DC 15A
DC 15A
Table 4-5 Cable size
Figure 4-15 DC Wiring illustration
Dry Contact*2
EPO*1 &
Digital Inputs*6
Figure 4-16 Communication module
Terminal Resistor & VCC Switch
VCC & RS-485
36
Wire size
6 mm / 10 AWG 2
4 - 6mm / 12 - 10 AWG 2
4 - 6mm / 12 - 10 AWG 2
PV-KST4/6 Ⅱ