Solare Datensysteme Solar-Log - Manual (Page 181)

181
Q3
Q3 (RS485)
63 Q3
63�1 Q3 (RS485)
Easy Installation Termination Addressing Interface
No Yes Yes RS485
Overview
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Integrated interface
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Where to connect: Between the COM round sockets on the outside of the inverter.
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3-pin wiring
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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™
Connecting is done using a self-made, shielded 3 wire data cable and terminal block connector.
Procedure
1. Connect wires as shown in the diagram below.
Solar-Log™ terminal strip connector Inverter terminal strip
Terminal Terminal
► 1 ► 1 (RS485-A)
► 3 ► 3 (GND)
► 4 ► 2 (RS485-B)
2. If only one inverter is to be connected terminate this in accordance with the inverter instructions.
3. Insert the terminal block connector into the Solar-Log™ RS485 socket.
Connect the inverters to each other
•
Connect using a self-made daisy chain cable.
•
Where to connect: X2 connection socket on outside of the inverter.
Procedure
1. Insert the plug into socket X2 on inverter 1.
2. Insert the other end of the wire into the X2 socket on inverter 2.
3. Connect the other inverters to each other in the same way.
4. Terminate in the last inverter in accordance with the inverter instructions.