H-8
2 Specifications
2.3 Performance Specifications
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
FX
3U
-3A-ADP (2-channel Analog Input, 1-channel Analog Output)
2.3 Performance Specifications
Item
Specifications
Voltage input Current input Voltage output Current output
Number of input/
output points
2ch 1ch
Analog input/
output range
0 V to 10 V DC
(Input resistance:198.7 k
Ω
)
4 mA to 20 mA DC
(Input resistance:250 Ω)
0 V to 10 V DC
(External load:5 k to 1 MΩ)
4 mA to 20 mA DC
(External load:
500 Ω or less)
Absolute
maximum input
-0.5 V,
+15 V
-2 mA,
+30 mA
--
Digital input/
output
12 bits, binary
Resolution 2.5 mV (10 V × 1/4000) 5 μA (16 mA × 1/3200) 2.5 mV (10 V × 1/4000) 4 μA (16 mA × 1/4000)
Overall accuracy
Ambient
temperature:
25
±
5
°
C
±0.5 % (±50 mV)
for 10 V full scale
±0.5 % (±80 μA)
for 16 mA full scale
±0.5 % (±50 mV)
for 10 V full scale
±0.5 % (±80 μA)
for 16 mA full scale
Ambient
temperature:
0 to 55
°
C
±1.0 % (±100 mV)
for 10 V full scale
±1.0 % (±160 μA)
for 16 mA full scale
±1.0 % (±100 mV)
for 10 V full scale
±1.0 % (±160 μA)
for 16 mA full scale
Reference - -
If the external load
resistance (Rs) is less
than 5 kΩ, the accuracy
increases as shown in the
following formula:
(Increase: 100 mV per
1 %)
for 10 V full scale
-
Time required for
conversion
•FX
3U/FX3UC Series PLC :
80 μs for each selected input channel + 40 μs for each selected output channel
(Operation synchronized with sequence program)
•FX
3S/FX3G/FX3GC Series PLC :
90 μs for each selected input channel + 50 μs for each selected output channel
(Operation synchronized with sequence program)
→ For a detailed description of data update, refer to Section 2.4.
I/O
characteristics
Insulation
method
• The photocoupler is used to insulate the analog input and output area from the PLC.
• The DC/DC converter is used to insulate the power supply from the analog input and output area.
• Channels are not insulated from each other.
Number of I/O
points occupied
0 points
(This number of points is not related to the maximum number of input/output points of the PLC.)
Rs+47
47100
-0.9 %
0
4000
10V
4080
Analog input
Digital output
10.2V
0
3200
20mA
3280
Analog input
Digital output
4mA
20.4mA
0
10V
4000
Digital input
Analog output
4080
0
20mA
4000
Digital input
Analog output
4mA
4080