B7A
B7A
38
I/O Delay: High Speed
Connection of Independent Power Supplies
Note:
A shielded cable with a
thickness of 0.75 mm
2
min. must be used for sig-
nal transmission. It is rec-
ommended that the shield
be grounded.
DC power
supply
– +
(12 to 24 V)
SIG SIG
–
–
2
1
SIG SIG
2
1
ERRERR
2
1
+
+
–
–
Transmission distance
100 m max.
Shielded cable
SIG1
SIG2
GND
DC power
supply
– +
(12 to 24 V)
–
Input
Output
Connection of Single Power Supply to Input or Output Terminal
Note:
In this example, a
shielded transmission
cable with a thickness of
0.75 mm
2
min. is used,
through which a current
of 1.8 A max. can be
transmitted. It is recom-
mended that the shield
be grounded.
DC power
supply
– +
(24 V)
SIG SIG
–
–
2
1
SIG SIG
2
1
ERRERR
2
1
+
+
–
–
Transmission distance
50 m max.
Shielded cable
SIG1
SIG2
GND
+
–
Input
Output