CIRCUTOR CDP-0 - Manual (Page 11)

CDP
Instruction Manual 11
3.5.- CONNECTION DIAGRAMS
Table 3: Equivalences between the single-phase and three-phase connection.
Equivalence between the single-phase and three-phase connection
Connection Single-phase connection Three-phase connection
VL1 – IL1 User consumption Phase 1 consumption
VL2 – IL2 Consumption from the grid Phase 2 consumption
VL3 – IL3 Power injected by the inverter Phase 3 consumption
3.5.1. AUXILIARY POWER SUPPLY
The unit has terminals for supplying it either AC voltage (17-18) or DC voltage
(19-20):
AC power supply DC power supply
Figure 3: AC and DC power supply connection.
3.5.2. COMMUNICATIONS CONNECTION
The CDP has three communications channels referred to as R1, R2 and R3.
Table 4: Description of the communications channels.
Description of the communications channels
Channel Description of the channel
R1 Ethernet communications channel
R2
Channel for communicating with the inverter:
RS422/RS485/RS232
R3
Channel for communicating with the external measuring parts:
RS485