Mitsubishi Electronics MELSEC-F Manuel D’Utilisation

Page de 504
A-21
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
C
ommon Item
s
B
FX
3U
-4A
D
FX
3UC
-4A
D
C
FX
3U
-4AD
-A
DP
D
FX
3G
-2A
D
-B
D
E
FX
3U
-4D
A
F
FX
3U
-4DA
-A
DP
G
FX
3G
-1D
A
-B
D
H
FX
3U
-3
A-
AD
P
I
FX
3U
-4A
D
-P
T
   
         
       -
A
D
P
J
FX
3U
-4AD
-P
TW
         
         
 -A
D
P
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
FX
3U
-4AD-ADP
Specifications
FX
3U
-4AD-ADP
Voltage input
Current input
Number of input points
4ch
Analog input range
0V to 10V DC
(Input resistance: 194 k
Ω)
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)
10
μA(16mA×1/1600)
Ove
ral
l ac
cura
cy 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
/FX
3UC
 Series PLC : 200
μs (Data updated every scan time.)
• FX
3G
 Series PLC : 250
μs (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
D
ig
ita
l o
u
tp
u
t
4mA
20.
4m
A