D-8
2 Specifications
2.2 Performance Specifications
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
FX3G-2AD-BD (2-channel Analog Input)
2.2 Performance Specifications
Item
Specifications
Voltage input Current input
Analog input
range
0V to 10V DC
(Input resistance: 198.7 kΩ)
4mA to 20mA DC
(Input resistance: 250 Ω)
Absolute input
maximum
-0.5V, +15V -2mA, +30mA
Digital output 12 bits, binary 11 bits, binary
Resolution 2.5mV (10V/4000) 8μA (16mA/2000)
Total accuracy
• ±0.5% (±50mV) for 10V full scale
(when ambient temperature is 25°C ± 5°C)
• ±1.0% (±100mV) for 10V full scale
(when ambient temperature is 0°C to 55°C)
• ±0.5% (±80μA) for 16mA full scale
(when ambient temperature is 25°C ± 5°C)
• ±1.0% (±160μA) for 16mA full scale
(when ambient temperature is 0°C to 55°C)
A/D conversion
time
180 μs (The data will be updated at every scan time.)
→ For a detailed description of data update, refer to Section 2.3.
Input
characteristics
Insulation method
• The analog input area is not insulated from the PLC.
• Channels are not insulated from each other.
Number of I/O
points occupied
0 point (This number is not related to the maximum number of input/output points of the PLC.)
0
4000
10V
10.2V
4080
Analog input
Digital output
0
2000
20mA
20.32mA
2040
Analog input
Digital output
4mA
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