Omron B7A Manual page 28

B7A/B7AS
Transmission
B7AS-T6B1/-T6B6
(Input, Active Low)
Brown (red)
Three-
Blue (black)
wire
Black (white)
sensor
Blue (black)
Two-
wire
Brown (white)
sensor
Power Power
supply supply
+
12 to 24 VDC
Photoelectric sensor
Three-wire proximity sensor with
built-in amplifier (with NPN output)
Note: 1. The wire colors have been changed in accordance with the revision of the Japanese Industrial Standards for photoelectric
sensors and proximity sensors. The colors in parentheses refer to the old colors.
2. Do not short-circuit the SIG terminal with the positive power supply terminal, negative power supply terminal, or a Bjj
terminal, otherwise the internal elements of the B7A will be damaged and no transmission will be possible.
26
SIG
+
+
12 to
24 VDC
–
–
A0
Contact
switch
Ajj
Ajj
IN1 IN3
SIG + –
A1 A3
IN0 IN2
+ –
A0 A2
–
Brown Black Blue
(red) (white) (black)
IN
IN5 IN7 IN9 IN11 IN13
A5 A7 A9 A11
IN4 IN6 IN8 IN10 IN12
A4 A6 A8 A10 A12
Blue Brown
(black) (white)
Two-wire DC
proximity sensor
B7A/B7AS
IN15
A13 A15
IN14
A14
Limit switch