Connecting the inverters
SMA
22 of 268 Solar-Log
1000/500/200
Installation
4.2.3 Connect SMA with original SMA RS485 piggy back and the SMA RS485 data
module
Overview
Interface not integrated. Retrofit SMA RS485 piggy back
Where to connect: Terminal strip inside the inverter on the piggyback
Communication address does not have to be allocated.
3 pin wiring
Work steps
• Switch off the inverters and SolarLog™; Page 17
• Install the original SMA RS485 piggy back in the inverter
• Connect the inverter to the Solar-Log™
• Connect the inverters to each other
Installing an original SMA RS485 piggy back in the inverter
Procedure
Install the original SMA RS485 piggy back in the inverter in accordance
with the interface card installation instructions.
Connect inverters to the Solar-Log™
The wiring is done using the
ready-made data cable (optional extra; not supplied)
or
self-made, shielded 3 wire data cable and terminal block connector
( Page 15).
Procedure
1 Open the inverter as described in the inverter instructions.
2 Pull the free wires through the wire opening in the inverter.
3 Pull the cable through the insulation tube.
Note
The wire must be encased in the insulation tube inside the inverter.
4 If you are fabricating the cable yourself, connect the wires as shown in the
following diagram:
Solar-Log™ terminal block connector
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