
CDP
12 Instruction Manual
Figure 4: Communications channels.
The removable connector terminals are described as follows:
Table 5: Description of the R2 channel terminals.
Description of the R2 communications channel connector
Terminals
5
(1)
NC: Not connected.
Table 6: Description of the R3 channel terminals.
Description of the R3 communications channel connector
Terminals
RS-485
The R2 channel is used for communications with the inverter and the R3 to
create a network with the auxiliary units that help measure the power in three-
phase installations.
Note: For the proper working of RS-485 communications, always connect the
GND terminal.
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