Solare Datensysteme Solar-Log - Manual (Page 41)

41
ALPHA-SOL
ALPHA-SOL
Solar-Log™ terminal strip connector Inverter terminal strip
Terminal Terminal
► 1 ► R+
► 1 ► T+
► 4 ► R-
► 4 ► T-
4. If only one inverter is to be connected terminate this in accordance with the inverter instructions.
5. Close the inverter if no other inverters are to be connected.
6. Insert the terminal block connector into the Solar-Log™ RS485 socket.
Connect the inverters to each other
•
Connect using a 4 wire, shielded data cable
•
Where to connect: Terminal strip inside the inverter on the retrofitted RS485 interface card
Procedure
1. Open the inverter as shown in the inverter's instructions.
2. Connect terminals R+, T+, R- and R+ of inverter 1 to the corresponding terminals on inverter 2.
3. Connect the other inverters to each other in the same way.
4. Terminate in the last inverter according to the inverter instructions.
5. Close inverters.