Instruction Manual
Manuals
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Acnodes Manuals
Computers
OPC 8190
21
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W
hen
CO
M1
is
set
to
RS-4
22
or RS
-48
5,
the
p
in
a
ss
ignmen
ts
are
li
sted
bel
ow:
Pin
#
Signal
Name
RS-422
RS-485
1
TX
-
DA
TA-
2
TX
+
DA
T
A+
3
RX
+
No
c
onne
ctor
4
RX-
No
c
onne
ctor
5
No
c
onne
ctor
No
c
onne
ctor
6
No
c
onne
ctor
No
c
onne
ctor
7
No
c
onne
ctor
No
c
onne
ctor
8
No
c
onne
ctor
No
c
onne
ctor
9
G
ND
G
ND
1
...
...
20
21
22
23
24
...
...
68