CAS NT-580A - BCD out Interface

75
9-3. BCD Out Interface
The Parallel BCD out is the interface that indicates the weight in display as
BCD code.
The Inner circuit of input/output circuit is electronically disconnected by photo
coupler.
Transmit ▣ Mode
F72 Output Logic - Positive Logic - Negative Logic
▣Connection of Pin
Pin Signal
Pin Signal
1 Ground (GND) 26 High : Net, Low : Gross
2 1st Digit - 1×10
0
27 N.C.
3 1st Digit - 2×10
0
28 N.C.
4 1st Digit - 4×10
0
29 N.C.
5 1st Digit - 8×10
0
30 N.C.
6 2nd Digit - 1×10
1
31 N.C.
7 2nd Digit - 2×10
1
32 N.C.
8 2nd Digit - 4×10
1
33 N.C.
9 2nd Digit - 8×10
1
34 N.C.
10 3rd Digit - 1×10
2
35 N.C.
11 3rd Digit - 2×10
2
36 N.C.
12 3rd Digit - 4×10
2
37 External Vcc
13 3rd Digit - 8×10
2
38 N.C.
14 4th Digit - 1×10
3
39 External Vcc
15 4th Digit - 2×10
3
40 N.C.
16 4th Digit - 4×10
3
41 N.C.
17 4th Digit - 8×10
3
42 High : +, Low : -
18 5th Digit - 1×10
4
43 Decimal Point : 10
1
19 5th Digit - 2×10
4
44 Decimal Point : 10
2
20 5th Digit - 4×10
4
45 Decimal Point : 10
3
21 5th Digit - 8×10
4
46 Over Load
22 6th Digit - 1×10
5
47 N.C.
23 6th Digit - 2×10
5
48 N.C.
24 6th Digit - 4×10
5
49 Busy
25 6th Digit - 8×10
5
50
50 pin connector : CHAMP 57▣ -40500(Amphenol) (Female)
TTL Open▣ -Collector Output