A-20
4 Comparison of Performance Specifications
4.2 Analog Output
FX
3U
/FX
3UC
Series PLC User's Manual - Analog Control Edition
Common Items
4.2 Analog Output
4.2.2 FX2NC-4DA
*1. Adjustment of the offset or gain value will not affect the resolution.
*2. The offset and the gain should satisfy the following condition:
1V
≤ (Gain - Offset) ≤ 15V
*3. The offset and the gain should satisfy the following condition:
4mA
≤ (Gain - Offset) ≤ 32mA
Specifications
FX2NC-4DA
Voltage output Current output
Number of output points 4ch
Analog output range
-10V to +10V DC
(External load: 2k to 1MΩ)
0mA to 20mA DC
4mA to 20mA DC
(External load: 500Ω or less)
Offset
-5V to +5V
*1,*2
-20mA to +20mA
*1,*3
Gain
-4V to +20V
*1,*2
-16mA to +32mA
*1,*3
Digital input With sign, 12 bits, binary 10 bits, binary
Resolution
*1
5mV(20V×1/4000) 20µA(20mA×1/1000)
Overall accuracy
Ambient temperature:
25±5°C
±0.5%(±100mV) for full scale of 20V
±0.5%(±100µA) for full scale of 20mA
Same for input of 4mA to 20mA
Ambient temperature:
0 to 55°C
±1.0%(±200mV) for full scale of 20V
±1.0%(±200µA) for full scale of 20mA
Same for input of 4mA to 20mA
Reference Does not include any load fluctuation. -
Time required for D/A
conversion
2.1ms (The number of selected channels will not affect this value.)
Output characteristics
Insulation method
• The photocoupler is used to insulate the analog output area from the PLC.
• The DC/DC converter is used to insulate the power supply from the analog output.
• Channels are not insulated from each other.
Number of I/O occupied
points
8 points (Count either the input or output points of the PLC.)
0
+10V
+2000
-2000
-10V
z
When the output mode is set to "0":
Approx.
+2047
Approx.
-2048
z
When the output mode is "2":
(The dotted line is for mode 1.)
0
20mA
1000
Digital input
Analog
output
4mA
Approx. 1023
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