Solare Datensysteme Solar-Log - Manual (Page 107)

107
Gefran
Gefran
Procedure
1. Open the inverter as shown in the inverter’s instructions.
2. If you are making the cable yourself, connect the wires as shown in the following diagram:
Solar-Log™ terminal strip connector Terminal strip inside the inverter
Terminal Terminal strip RS485 (TB3)
► 1 A/Data+ ► Pin 1 or 2 (Port A) or Pin 9 or 10 (Port B)
► 4 B/Data- ► Pin 3 or 4 (Port A) or Pin 11 or 12 (Port B)
3. If only one inverter is to be connected this must be terminated.
Set the switch (switch S1 for port A, switch S3 for port B) in the inverter to “1” for terminal resistance.
4. Close the inverter.
5. Insert the terminal block connector into the Solar-Log™ RS485 socket.
Fig.: Gefran RS485 terminal strip and termination