Installation
5.6
Installing
of
Multiple
Sensors
via
RS485
The
distance
between
the
sensor
and
a
computer
can
be
up
to
1200
m
(4000
ft.)
via
RS485
interface.
This
allows
ample
distance
from
the
harsh
environment
where
the
sensing
head
is
mounted
to
a
control
room
or
pulpit
where
the
computer
is
located.
The
RS232/485
adapter
comes
with
a
power
supply:
RAYMINCONV2
for
230
VAC
RAYMINCONV1
for
110
VAC
Connect
the
signal
line
as
shown:
RS232/485
Adapter
Electronic
Box
RxB
Æ
B
RxA
Æ
A
Do
not
run
power
supply
in
the
same
conduit
as
the
RxA/RxB
wires!
Shunt deactivated!
Figure
21:
Wiring
the
RS485
Interface
MID
31