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15-1-2 Equivalent circuit diagram
15-1-3 Connector pin assignment
Pin No. Direction
BCD code
Pin No.
Direction
BCD code
A1 Output
1
B1 Output
2
A2 Output
4
10
0
B2 Output
8
10
0
A3 Output
1
B3 Output
2
A4 Output
4
10
1
B4 Output
8
10
1
A5 Output
1
B5 Output
2
A6 Output
4
10
2
B6 Output
8
10
2
A7 Output
1
B7 Output
2
A8 Output
4
10
3
B8 Output
8
10
3
A9 Output
1
B9 Output
2
A10 Output
4
10
4
B10 Output
8
10
4
A11 Output
1
B11 Output
2
A12 Output
4
10
5
B12 Output
8
10
5
A13 Output
OVER
B13 Output
Polarity
A14 Output
STABLE
B14 Output
Zero
band
A15
Output
Decimal point 10
1
B15
Output
Decimal point 10
2
A16
Output Decimal point 10
3
B16
Output
Decimal point 10
4
A17
B17
A18 Output
STROBE
B18 Input
HOLD
A19 COM
Input/output
common terminal
B19 COM
Input/output
common terminal
A20
FG
Frame ground
B20
FG
Frame ground
+5V
AD-4532B interior
A1 to A16, A18, B1 to B16 pin output terminals
A19, B19 pin common terminals
B18 pin HOLD input terminal
