Omron B7A Manual page 27

B7A/B7AS
Installation
Internal Circuits and Terminal Arrangement
Screw Terminal Models
B7A-T6A1/-T6A6
(Input, Active Low)
SIG IN0 IN1
SIG A0 A1
(+) (–) – –
+ – B0 B1
Brown Blue Black
(red) (black) (white)
12 to 24 VDC
Photoelectric sensor
Three-wire proximity
sensor with built-in
amplifier (with NPN
output)
B7A-T6B1/-T6B6
(Input, Active Low)
SIG IN0 IN1
SIG A0 A1
(+) (–) + –
+ – B0 B1
12 to 24 VDC
Trans- SIG
mission
line
+
12 to
–
24 VDC
Ajj
SW
Bjj
Brown
(white)
Ajj
Two-wire
proximity
sensor
Bjj
(with DC
Blue
output)
(black)
Ajj
SW
Bjj
IN2 IN3 IN4 IN5 IN6
A2 A3 A4 A5 A6
– – – – –
B2 B3 B4 B5 B6
Blue Brown
(black) (white)
Two-wire proximity sensor
(with DC output)
Trans-
SIG
mission
line
+
12 to
–
24 VDC
Ajj
SW
Bjj
Brown
Proximity
Ajj
(red)
switch
(NPN
Black
output) (white)
Blue
Bjj
(black)
Ajj
SW
Bjj
IN2 IN3 IN4 IN5 IN6
A2 A3 A4 A5 A6
+ – + – +
B2 B3 B4 B5 B6
Brown Black Blue
(red) (white) (black)
Photoelectric sensor
Three-wire proximity sensor with
built-in amplifier (with NPN output)
IN7 IN8 IN9 IN10 IN11
A7 A8 A9 A10 A11
– – – – –
B7 B8 B9 B10 B11
IN7 IN8 IN9 IN10 IN11
A7 A8 A9 A10 A11
– + – + –
B7 B8 B9 B10 B11
B7A/B7AS
IN
IN12 IN13 IN14 IN15
A12 A13 A14 A15
– – – –
B12 B13 B14 B15
Limit switch
IN
IN12 IN13 IN14 IN15
A12 A13 A14 A15
+ – + –
B12 B13 B14 B15
Brown Blue
Limit switch
(white) (black)
Two-wire proximity sensor
(with DC output)
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