70
CanadianSolar
14.2 CanadianSolar-CSI-GS/GIseries
Termination Addressing Interface
Yes Yes RS485
Supported series:
•
CSI-GS (as of firmware version 4.2.1)
•
CSI-GI (as of firmware version 4.2.2)
Overview
•
Integrated interface.
•
Where to connect: Between the COM round sockets on the outside of the inverter.
•
2-pin wiring.
•
Communication address must be allocated.
•
Installation steps:
• Switch off the inverters and Solar-Log™.
• Connect inverters to the Solar-Log™.
• Connect the inverters to each other.
• Allocate communication address.
Connect inverters to the Solar-Log™
The wiring is done using a
•
ready-made data cable (supplied with the inverter).
or
•
self-made, shielded 2 wire data cable with round plug and terminal block connector.
Procedure:
1. If you are making the cable yourself, connect the wires as shown in the following diagram:
Solar-Log™ terminal strip connector Inverter RJ45
Terminal Pin
► 1 (Data+) A ► 1 RS485 A
► 1 (Data+) A ► 4 RS485 A
► 4 (Data-) B ► 2 RS485 B
► 4 (Data-) B ► 5 RS485 B
2. Insert the RJ45 connector into the inverter‘s COM2 socket.
3. Terminate the inverter according to the manufacturer‘s instructions if no additional inverters are to be
connected.
4. Insert the terminal block connector into the Solar-Log™ RS485 socket.
Connect the inverters to each other
•
Wiring using CanadianSolar daisy chain cable.
•
Where to connect: COM round socket on the inverter
Procedure:
1. Insert the RJ45 connector into the first inverter‘s COM3 socket.
2. Insert the other end of the cable into the COM2 socket on second inverter.
3. Connect the other inverters to each other in the same way.
4. Terminate the last inverter according to the inverter manufacturer‘s instructions.