CONNECTING TO INVERTER
RS-485 - COMMUNICATION
Connect the cables to the converter according to the dia-
gram below.
NOTE
The front cover on the inverter must not be
opened. Connection must take place via the inten-
ded communication input under the inverter. Use
the enclosed terminal block supplied with the in-
verter. Note how the cables are connected in the
terminal block!
1
2
6
5
4
3
PVI 20-XX
Socket
For identification of the connections start from the slot as
shown in the picture. The rightmost is connection 1 and the
leftmost is connection 6. Make sure that the slot is correct
when fitting into the socket and that the plug goes all the
way into the socket.
PVI 20
Function
Connection
RS485 (B)
1
RS485 (B)
2
RS485 (A)
3
RS485 (A)
4
Not used
5
Not used
6
NIBE EME 20 communicates with solar inverters through
RS485 and Modbus RTU. The inverters modbus address
must be set to one of 1-12. If more than one inverter each
has to have a unique address.
NOTE
It
can
take
up
to
10
minutes
before
commu
n
ication
is
established
with
a
solar
inverter.
Modbus RTU
Settings for other inverters supporting SunSpec with Mod-
bus RTU.
Baudrate: 9,600
Data bits: 8
Stop bits: 1
Parity: None
NIBE EME 20 S-series | GB
10
S