A-22
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 FX2N-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