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5 - Installation
C
onnections to the communication and control board
Each cable which must be connected to the communication and control
board must pass through one of the three service cable glands M20,
20
which take a cable with a diameter of 7 mm to 13 mm. Gaskets with
two holes are supplied as standard to insert into the cable gland, which
enables two separate cables of a maximum cross-section of 5 mm to be
accommodated.
A
B
C
S
erial Connection Communication (RS485)
On the inverter there is a RS485 communication line, dedicated to con-
necting the inverter to monitoring devices or to carrying out "daisy-chain"
("in-out") connections of multiple inverters. The line may also be used to
store settings with the dedicated advanced configuration software.
Cables connecting the RS485 line may use two different types of con-
nection:
14
13
• Connection of the conductors using the terminal connectors
13
(+T/R, -T/R, LNK and RTN)
The LNK connection must be used for connecting the shielding boot(s)
of the cable(s).
OUT
• Connection of conductors with RJ45 connectors
IN
14
The two RJ45 connectors RS485(A) and RS485(B) available for the
RS485 communication, are equivalent to each other and can be used
interchangeably for the arrival or for the output of the line in realising the
daisy chain connection of the inverters.
The same is true for connections made using the terminal connectors
.
13
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