Omron B7A - Page 40

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
––
21
SIG SIG
21
ERRERR
21
+
+––
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 T erminal
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
––
21
SIG SIG
21
ERRERR
21
+
+––
Transmission distance
50 m max.
Shielded cable
SIG1
SIG2
GND
+
–
Input Output