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9.OPTION (Option card required)
9. OPTION (Option card required)
9-1. BCD Parallel Output Interface [BCO]
BCO (BCD Parallel Output) is the optional interface for sending arithmetic data in
binary coded decimal (BCD) parallel format. This is a useful additional interface to
connect such peripherals as PC, process controller and PLC for such purposes as
control, statistics and data storage.
I/O terminals and internal circuits are electrically isolated by photo-couplers.
9-1-1. Connector pin assignments
1
2
OUT
3
OUT
4
OUT
5
OUT
6
OUT
7
OUT
8
OUT
9
OUT
10
OUT
11
OUT
12
OUT
13
OUT
14
OUT
15
OUT
16
OUT
17
OUT
18
OUT
* Common terminals (COM: 1 and 19) are connected internally.
* Common terminals and the "COM" of the external output signals are internally
connected.
* Source voltage is not available from this connector.
132
COM
＊
1
2
4
8
10
20
40
80
100
200
400
800
1000
2000
4000
8000
10000
19
COM
＊
20
OUT
20000
21
OUT
40000
22
OUT
80000
23
OUT
MINUS
24
OUT
OVER
25
OUT
26
OUT
STROBE
27
IN
Data Hold
28
IN
Logic Switch
29
IN
Output Select 1
30
IN
Output Select 2
31
IN
Output Select 4
32
IN
33
IN
34
IN
35
36
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