Communication Module - Delta RPI-H3 Owner's Manual

(RPI-H3) / 5950W (RPI-H5).
◆ The device installed between PV Array and inverter must meet
the rating of voltage higher than this device's maximum input
voltage.
Cable size:
Current Rating
DC 15 A (RPI-H3)
DC wiring polarities are divided into positive and negative, which is as shown
in Figure 5-4. The connection shall be coherent with the indication marked
on inverter.

5.4 Communication Module

The Communication Module supports the function of communication with
computer, and provides 2 ports of RS-485 .When using this module, the first
step is to take off the cover located at the right bottom of inverter and pull out
the RS485 socket as shown in Figure 5-5.
DC 17.5 A (RPI-H5)
Figure 5-4 DC Wiring illustration
Figure 5-5 Communication module
18
Wire size
2
2-3mm / 14 AWG