Dc
Connection; Communication
Setup - Solplanet ASW3000-S Guide D'installation Rapide

VI.DC
connection
▪
Make
sure
PV
modules
have
good
insulation
against
ground.
▪On
the
coldest
day
based
on
statistical
records,
the
Max.
open-circuit
volt-
DANGER




age
of
the
PV
modules
must
not
exceed
the
Max.
input
voltage
of
the
inverter.

▪Check
the
polarity
of
DC
cables.
▪Ensure
that
DC
switch
has
been
disconnected.
▪Do
not
disconnect
DC
connectors
under
load.
1.

Please
refer
to
"DC
Connector
Installation
Guide".
2.
Before
DC
connection,
insert
the
DC
plug
connectors






with
sealing
plugs
into
DC
input
connectors
of
the






inverter
to
ensure
protection
degree.
VII.Communication
setup
▪Separate
communication
cables
from
power
cables
and
serious
interference





sources.
▪The
communication
cables
must
be
CAT-5E
or
higher-level
shield
cables.
Pin

DANGER





assignment
complies
with
EIA/TIA
568B
standard.
For
outdoor
use,
the
com-





munication
cables
must
be
UV-resistant.
The
total
length
of

communication





cable
cannot
exceed
1000m.
▪If
only
one
communication
cable
is
connected,
insert
a
sealing
plug
into
the





unused
hole
of
sealing
ring
of
the
cable
gland.
▪Before
connecting
communication
cables,
ensure
the
protective
film
or






communication
plate
attached
to
the
communication
opening
on
the
inver-





ter
is
sealed
tightly.
1.
COM1:
RS485(optional)
1)
RS485
cable
pin
assignment
as
below.
Pin
1 Pin
8
4
2)
Loosen
the
swivel
nut
of
the
cable
gland






on
the
communication
cover,
remove






sealing
plugs
and
lead
the
cable
through
Pin
1=TX_RS485A





the
swivel
nut,
sealing
ring,
communica-
Pin
2=TX_RS485B
Pin
3=NC





tion
cover
and
magnetic
ring.
Pin
4=GND
Pin
5=GND
Pin
6=NC
Pin
7=+7V
Pin
8=+7V
2
1
4
3
2
3
1