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Chapter 2. SPECIFICATIONS
2 - 8
[Fig 2.1] I/O Conversion Characteristics
REMARK
1. The analog output value of over 4047 or –48(2047 or –2048) is fixed as 4047 or –48(2047 or –2048).
2. Keep the input voltage and current not to exceed +15V and 25mA.
2.4.1 Voltage Input Characteristics
1) G3F-AD3A, G4F-AD3A
For voltage input, the corresponding input selection switch of each channel should be set to "off".
–
The voltage input range is selected in program.
Input selection switch has to be located at off.
(1)Voltage input range : DC 0 10V
Digital output value for input voltage is shown as follows.
Analog input voltage (V)
-0.12 0 2.5 5 7.5 10 10.12
Digital output value -48 0 1000 2000 3000 4000 4047
Input selection switch
- Off : Voltage
(This switch is located
on the side of module)
On
1 2 3 4 5 6 7 8
CH0 1234567 Number of channel
Practical analog input range
Digital
Output
Value
4000
3000
2000
1000
0
0V
5V
10V
1V
3V
5V
-10V
0V 10V
DC 0 ~ 10V
DC 1 ~ 5V
DC-10 ~ 10V
Analog
Input
-0.12V
-10.24V
0.952V
10.12V
10.24V
5.048V
4047
-
48
4 12 20DC 4 ~ 20
3.808
20.192
2000
1000
0
-1000
-2000
2047
-2048