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4 Comparison of Performance Specifications
4.1 Analog Input
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
Common Items
A
Common Items
B
FX
3U
-4AD
FX
3UC
-4AD
C
FX
3U
-4AD-ADP
D
FX
3G
-2AD-BD
E
FX
3U
-4DA
F
FX
3U
-4DA-ADP
G
FX
3G
-1DA-BD
H
FX
3U
-3A-ADP
I
FX
3U
-4AD-PT
-ADP
J
FX
3U
-4AD-PTW
-ADP
4. Comparison of Performance Specifications
The analog product performance specifications are shown in the following tables. Select the optimal product
for your equipment.
4.1 Analog Input
4.1.1 FX3U-4AD-ADP
Specifications
FX3U-4AD-ADP
Voltage input Current input
Number of input points 4ch
Analog input range
0V to 10V DC
(Input resistance: 194 kΩ)
4mA to 20mA DC
(Input resistance: 250 Ω)
Absolute maximum input -0.5V,+15V -2mA,+30mA
Offset
Impossible to change Impossible to change
Gain
Digital output 12 bits, binary 11 bits, binary
Resolution
2.5mV(10V×1/4000) 10μA(16mA×1/1600)
Overall accuracy
Ambient temperature
:25±5°C
±0.5%(±50mV) for 10V full scale ±0.5%(±80μA) for 16mA full scale
Ambient temperature
:0 to 55°C
±1.0%(±100mV) for 10V full scale ±1.0%(±160μA) for 16mA full scale
Time required for A/D
conversion
•FX
3U/FX3UC Series PLC : 200μs (Data updated every scan time.)
•FX
3G Series PLC : 250μs (Data updated every scan time.)
Input characteristics
Insulation method
• The photocoupler is used to insulate the analog input area from the PLC.
• The DC/DC converter is used to insulate the power supply from the analog inputs.
• Channels are not insulated from each other.
Number of I/O points
occupied
0 point (This number is not related to the maximum I/O points of the PLC.)
0
4000
10V
4080
Analog input
Digital output
10.2V
0
1600
20mA
1640
Analog input
Digital output
4mA
20.4mA