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Chapter 2. SPECIFICATIONS
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Input / Output (hereafter I/O) conversion characteristics are expressed with the angle of the line between
analog input(voltage and current) and matched digital value.
I/O conversion characteristics of the G3F-AD3A, G4F-AD3A are expressed with Fig 2.1, and I/O conversion
characteristics of the G6F-AD2A is expressed with Fig 2.2
The voltage or current input for a channel is selected by analog input selection switch and the value of
Offset / Gain can not be changed because it is fixed.
[Fig 2.1] I/O Conversion Characteristics
REMARK
1. The analog output value of over 4047 or –48 is fixed as 4047 or –48.
2. Keep the input voltage and current not to exceed +15V and 25mA.
2.4 I/O Conversion Characteristics
Practical analog input range
Digital
Output
Value
4000
3000
2000
1000
0
0V
5V
10V
1V
3V
5V
4 12 20
DC 0 ~ 10V
DC 1 ~ 5V
DC 4 ~ 20
Analog
Input
-0.12V
3.808
0.952V
10.12V
20.192
5.048V
4047
-48