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B7A
Installation
Internal Circuits and Terminal Arrangement
Screw Terminal Models
B7A-T10S1
(Input, Active Low)
(+)
+
Brown
(red)
12 to 24 VDC
Transmission
SIG
line
+
12 to 24 VDC
–
Ajj
SW
Bjj
Ajj
SW
Bjj
Ajj
SW
Bjj
SIG
IN0
IN1
IN2
SIG
A0
A1
A2
(–)
–
–
–
–
B0
B1
B2
Blue
Black
(black)
(white)
Photoelectric sensor
Three-wire proximity
sensor with built-in
amplifier (with NPN
output)
IN3
IN4
IN5
IN6
IN7
A3
A4
A5
A6
A7
–
–
–
–
–
B3
B4
B5
B6
B7
Limit switch
Push-button switch
Note: A sensor with two-wire output
cannot be connected.
IN8
IN9
A8
A9
–
–
B8
B9
B7A
91
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