Tecomat Foxtrot – system design
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ground connection
EXTERNAL I/O MODULE - XL-0471
RS-485
PE
T
x
R
x
2
+
T
x
R
x
1
+
S
H
IE
L
D
T
x
R
x
1
+
T
x
R
x
2
-
T
x
R
x
1
-
T
x
R
x
1
-
G
N
D
2
G
N
D
1
G
N
D
1
A
1
A
2
A
3
B
1
B
2
B
3
G
1
G
2
C
1
C
2
C
3
N
E
X
T
P
L
C
(
B
U
S
)
P
R
E
V
IO
U
S
P
L
C
(
B
U
S
)
P
L
C
TxRx+
TxRx+
TxRx+
TxRx-
TxRx-
TxRx-
Figure 1.1.6.5 Connection diagram of the XL-0471 module (connection of systems Foxtrot, RS-485)