Quickstart Guide
ABB PLC and drives integration using Modbus RTU
Modbus
RTU
‐
24
‐
PLC
and
drives
integration
IP
configuration
of
CPU
(for
Ethernet
connection
between
PC
and
PLC)
If
the
CPU
has
an
Ethernet
port
and
the
CPU
IP
address
has
not
already
been
configured,
follow
the
steps
below.
De
‐
activate
the
firewall
of
the
PC,
or
allow
the
connection
if
question
comes
up.
Connect
an
Ethernet
cable
between
PC
and
PLC
(or
via
a
switch).
Open
the
IP
configuration
tool
from
the
“Tools”
menu
and
press
the
“Scan”
button.
Select
actual
PLC
from
the
scanned
objects
(1),
make
your
network
settings
(2)
and
press
the
“Send
Configuration”
button.
This
needs
to
be
done
the
first
time
you
connect
to
the
PLC
even
if
the
IP
address
is
already
correct.
Note!
The
PLC
needs
to
be
in
“STOP”
mode
for
IP
configuration.
After
the
new
configuration
was
sent
the
PLC
will
automatically
reboot.
