Omron B7A Manual page 39

B7A
Connection of Single Power Supply to Input or Output Terminal
Input
– SIG +
32-point Terminal Models
I/O Delay: Normal Speed
Connection of Independent Power Supplies
Input
SIG SIG
– –
2 1
–
DC power
supply
(12 to 24 V)
Connection of Single Power Supply to Input or Output Terminal
Input
SIG SIG
– –
2 1
Shielded cable
+
SIG
–
Transmission distance
GND
50 m max.
+
SIG1
SIG2
–
Transmission distance
500 m max.
+
+
+
SIG1
SIG2
–
Transmission distance
100 m max.
Output
Note: In this example, a shielded transmis-
– SIG ERR +
sion cable with a thickness of 0.75 mm
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
(24 V)
Output
SIG SIG ERRERR
– – +
2 1 2 1
– +
DC power
supply
(12 to 24 V)
Output
SIG SIG ERRERR
– – +
2 1 2 1
– +
DC power
supply
(12 to 24 V)
B7A
Note: A VCTF cable with a
2
thickness of 0.75 mm
min. must be used for
signal transmission.
Note: In this example, a
VCTF transmission
cable with a thickness
2
of 0.75 mm min. is
used, through which a
current of 1.8 A max.
can be transmitted.
2
37