Omron B7A Manual page 43

B7A
Installation
Internal Circuits and Terminal Arrangement
16-point Terminals
B7A-T6E3/-T6E8 (Input, Active Low)
Transmission
line
SIG
+
_
12 to
24 VDC
Terminal
board
Connector
B7A-R6A13/-R6A18/-R6A33/-R6A38
(Output, NPN Open Collector)
Transmission
line
SIG
+
12 to
24 VDC
_
ERR
Terminal
board
Terminal No. Terminal
1 OUT00
2 OUT01
3 OUT02
4 OUT03
5 OUT04
6 OUT05
7 OUT06
8 OUT07
9 + (see note 2)
10 NC (open)
11 NC (open)
12 NC (open)
+
IN00
to
IN15
–
Connector
Terminal
board
+ (9, 21)
(see note 2)
Fuse
(see note 3)
OUT00
to
OUT15/ERR
(see note 1)
Connector
Terminal No. Terminal
13 OUT08
14 OUT09
15 OUT10
16 OUT11
17 OUT12
18 OUT13
19 OUT14
20 OUT15/ERR
(see note 1)
21 + (see note 2)
22 NC (open)
23 NC (open)
24 NC (open)
Terminal No. Terminal
1 IN00
2 IN01
3 IN02
4 IN03
5 IN04
6 IN05
7 IN06
8 IN07
9 –
10 +
11 NC (open)
12 NC (open)
Note: Do not short-circuit the SIG terminal with a positive or nega-
tive power supply terminal, otherwise the internal elements
of the B7A will be damaged and no transmission will be pos-
sible.
Connector
Note: 1. It is possible to select 16 I/O points or 15 I/O points and 1
error output point.
2. A maximum of 0.4 A can be supplied from each positive
terminal.
3. The user cannot replace the fuse.
4. Do not short-circuit any output terminal with the positive
terminal, otherwise the internal elements of the B7A will
be damaged.
B7A
Terminal No. Terminal
13 IN08
14 IN09
15 IN10
16 IN11
17 IN12
18 IN13
19 IN14
20 IN15
21 –
22 +
23 NC (open)
24 NC (open)
Terminal
board
(See note 1)
I/O output or error output
can be selected.
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