Omron B7A - Page 38

B7A
B7A
36
Operation
Power Supply
16-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.
SIG
– SIG +
–+
ERR
–
DC power
supply
– +
DC power
supply
– +
Transmission distance
500 m max.
(12 to 24 V) (12 to 24 V)
SIG
Input Output
Connection of Single Power Supply to Input or Output T erminal
Note:
In this example, a VCTF trans -
mission 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
–
+
SIG
– +
Transmission distance
100 m max.
(24 V)
SIG–+ERR
SIG–+
Input Output
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
signal transmission. It is recom -
mended that the shield be
grounded.
DC power
supply
– +
–
SIG
Transmission distance
100 m max.
(12 to 24 V)
DC power
supply
– +
(12 to 24 V)
SIG–+ERR
SIG–+
GND
Shielded cable
Input Output