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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
4.1 Analog Input
4.1.2 FX2N-2AD
*1. For FX2N-2AD, combined use of the voltage and current inputs is not possible.
*2. Use the adjustment volume to adjust FX
2N-2AD.
*3. Adjustment of the offset or gain value will change the resolution.
Specifications
FX2N-2AD
Voltage input Current input
Number of input points 2ch
Analog input range
*1
0V to 5V DC
0V to 10V DC
(Input resistance: 200 kΩ)
4mA to 20mA DC
(Input resistance: 250Ω)
Absolute maximum input -0.5V,+15V -2mA,+60mA
Offset
If the digital value is "0":0V to 1V
*2,*3
If the digital value is "0":0mA to 4mA
*2,*3
Gain
If the digital value is "4000":
5V to 10V
*2,*3
If the digital value is "4000":20mA
*2,*3
Digital output 12 bits, binary
Resolution
2.5mV(10V×1/4000)
*3
4.00μA(16mA×1/4000)
*3
Overall accuracy
Ambient temperature:
25±5°C
--
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
2.5ms × number of selected channels
(Operation synchronized with sequence program)
Input characteristics
Insulation method
• The photocoupler is used to insulate the analog input area from the PLC.
• Channels are not insulated from each other.
Number of I/O points
occupied
8 points (Taken from either the input or output points of the PLC.)
0
4000
10V
4095
Analog input
Digital output
10.238V
4095
0
4000
20mA
Analog input
Digital input
4mA
20.380mA