6 Electrical Connection
SMA Solar Technology AG
Operating manual
SBSxx-10-BE-en-11
48
Procedure:
1. Remove the sealing plugs from the network connection opening on the inverter.
2. Insert the cable gland into the opening and tighten it with the counter nut from the inside.
3. Lead the communication cable into the inverter.
4. Strip the communication cable 50 mm.
5. Trim the cable shield to a length of 15 mm and fold
it over the cable sheath.
6. Strip the insulation on the insulated conductors each by 6 mm. The
CAN L
and
CAN H
must
be a twisted pair.
7. If necessary, trim unused insulated conductors flush with the cable sheath or fold it over the
cable sheath.
8. Connect the conductors of the communication
cables to a 6-pole terminal block. Pay attention to
the assignment of the terminal block and
communication connection on the battery and/or
automatic transfer switch and make sure that
CAN L
and
CAN H
consist of a pair of conductors.
9. Make sure that the conductors are plugged into the terminal points tightly by pulling slightly on
the conductors.
10. Insert the terminal block for the communication
connection into the jack
BATx
on the battery
interface module. If only one battery is available,
insert the plug into the jack
BAT1
. If multiple
batteries and/or an automatic transfer switch are
available, insert the communication connection of
the first battery into the jack
BAT1
and connect all
other communication cables in succession to the
respective jacks.
BAT1
BAT2
BAT3
