Solare Datensysteme Solar-Log - Manual (Page 222)

222
SMA
SMA connection using special RS485 piggyback card
Procedure
1. Pull the free wires through the wire opening in the inverter.
2. If you are making the cable yourself, connect the wires as shown in the following diagram:
Solar-Log™ terminal strip connector Inverter terminal strip
Terminal Terminal
► 1 ► 2
► 2 ► 3
► 3 ► 5
► 4 ► 7
3. Pull the wire in the inverter through the insulation sleeve attached to the piggy back.
The wire must be enclosed in the insulating hose inside the inverter.
4. Ground the connection: Connect terminal 5 on the inverter to the inverter housing using the
supplied flat strip connector.
5. 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 4: Piggyback - insert jumper
6. Close the inverter if no other inverters are to be connected.
7. 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 (e.g. a 25 m ring cable, Solare Datensysteme order
220014)
•
Where to connect: Terminal block in inverter (on the retrofitted RS485 interface)