B7A
B7A
37
Connection of Single Power Supply to Input or Output Terminal
Note:
In this example, a shielded transmis-
sion 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 rec-
ommended that the shield be grounded.
DC power
supply
– +
–
+
SIG
Transmission distance
50 m max.
(24 V)
SIG
–
+
ERR
SIG
–
+
GND
Shielded cable
Input
Output
32-point Terminal Models
I/O Delay: Normal Speed
Connection of Independent Power Supplies
Note:
A VCTF cable with a
thickness of 0.75 mm
2
min. must be used for
signal transmission.
DC power
supply
– +
–
SIG2
Transmission distance
500 m max.
DC power
supply
– +
(12 to 24 V)
(12 to 24 V)
SIG SIG
–
–
2
1
SIG SIG
2
1
ERRERR
2
1
SIG1
+
+
–
–
Input
Output
Connection of Single Power Supply to Input or Output Terminal
Note:
In this example, a
VCTF 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.
DC power
supply
– +
–
SIG2
Transmission distance
100 m max.
(12 to 24 V)
SIG SIG
–
–
2
1
SIG SIG
2
1
ERRERR
2
1
SIG1
+
+
–
–
+
Input
Output