17
CG ND
RX
TX
H ost PC
R S -232 - R S-485
C onverter
R ecom m ended IM S
Part # C V -3222*
*If your PC is equipped
w ith an R S -4 85 board,
no converter is necessary.
C onn ect R S-485 line s directly
to H o st PC as show n.
MICRO
TM
4
M icro LYN X -4 (10 P in H e ad er)
12
3
RX -
TX -
CG ND
M icro LYN X -4 (7 P in Term inal B lock)
P IN 1
P IN 1
R X -
R X +
T X -
T X +
C G N D
R X -
R X -
R X +
R X +
TX -
TX -
TX +
TX +
C G N D
C G N D
Figure 4.3: RS-485 Interface Connection
m
e
t
s
y
S
X
N
Y
L
o
r
c
i
M
e
l
g
n
i
S
e
c
a
f
r
e
t
n
I
5
8
4
-
S
R
5
8
4
-
S
R
o
t
2
3
2
-
S
R
r
e
t
r
e
v
n
o
C
X
N
Y
L
o
r
c
i
M
l
a
n
g
i
S
l
a
n
g
i
S
n
i
P
0
1
r
e
d
a
e
H
n
i
P
7
l
a
n
i
m
r
e
T
-
X
T
-
X
R
7
3
+
X
T
+
X
R
6
4
-
X
R
-
X
T
8
5
+
X
R
+
X
T
9
7
D
N
G
C
D
N
G
C
5
,
0
1
6
Table 4.2: RS-485 Interface Connection
board in an open slot in your PC, or purchase an RS-232 to RS-485 converter, such
as the CV-3222 sold by IMS.
The following table and diagram illustrate the connection of the RS-485 interface.
C
O
M
M
U
N
IC
AT
IO
N
S
PI
N
1
PI
N
2
PI
N
9
PI
N
1
0
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