Solare Datensysteme Solar-Log - Manual (Page 267)

267
Sunpower
Sunpower SPR-M-Model connect with original SMA RS485 piggy back and the SMARS485 data module
Solar-Log™ terminal strip connector Inverter terminal strip
Terminal Terminal
► 1 ► 2
► 3 ► 5
► 4 ► 7
5. Ground the connection: Connect terminal 5 on the inverter to the inverter housing using the supplied
flat strip connector.
6. If only one inverter is to be connected it must be terminated.
Put the supplied jumper onto the lower pins on the connector strip.
Figure 6: Jumper SMA
7. Close the inverter if no other inverters are to be connected.
8. Insert the terminal block connector into the Solar-Log™ RS485 socket.
Connect the inverters to each other
•
Connect using a 3 wire, shielded data cable.
•
Where to connect: Terminal block in inverter (on the retrofitted RS485 interface)
Procedure
1. Open the inverter as shown in the inverter‘s instructions.
2. Connect the inverter in accordance with the inverter installation instructions.
3. If only one inverter is to be connected it must be terminated.
Put the supplied jumper onto the lower pins on the connector strip.
Figure 7: Jumper SMA
4. Close inverters.
Note
A diagram for wiring in SMA combined mode can be found in the appendix .