B7A
B7A
93
Modular Models
Internal circuit
Transmission
line
SIG
12 to 24 VDC
+
–
5 VDC
5 VDC
B7A-T10M2 (Input, Active High for TTL)
9 8 7 6 5 4 3 2 1
10 11 12 13 14 15 16 17 18
Top View
Note:
Do not short-circuit the SIG terminal with the positive
power supply terminal, negative power supply terminal,
otherwise the internal elements of the B7A will be dam-
aged and no transmission will be possible.
IN
jj
IN
jj
IN
jj
No.
Terminal
1
IN00
2
IN01
3
IN02
4
IN03
5
IN04
6
IN05
7
IN06
8
NC
9
–
10
IN07
11
IN08
12
IN09
13
NC
14
NC
15
NC
16
NC
17
SIG
18
+
B7A-R10MC (Output, NPN Open Collector)
9 8 7 6 5 4 3 2 1
10 11 12 13 14 15 16 17 18
SIG
+
–
Transmission
line
12 to 24 VDC
Internal circuit
Top View
Note:
Do not short-circuit any out-
put A terminal with the cor-
responding B terminal,
otherwise the internal ele-
ments of the B7A will be
damaged.
ERR
OUT
jj
OUT
jj
Relay
No.
Terminal
1
OUT00
2
OUT01
3
OUT02
4
OUT03
5
OUT04
6
OUT05
7
OUT06
8
NC
9
–
10
OUT07
11
OUT08
12
OUT09
13
NC
14
N/P
15
ERR
16
SIG
17
NC
18
+