A-39
4 Comparison of Performance Specifications
4.2 Analog Output
A
Common Items
B
FX
3U
-4AD
FX
3UC
-4AD
C
FX
3U
-4AD-ADP
D
FX
3G
-2AD-BD
E
FX
3U
-4DA
F
FX
3U
-4DA-ADP
G
FX
3G
-1DA-BD
H
FX
3U
-3A-ADP
I
FX
3U
-4AD-PT
-ADP
J
FX
3U
-4AD-PTW
-ADP
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
Common Items
4.2.5 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: 2 k to 1 MΩ)
0mA to 20mA DC
4mA to 20mA DC
(External load: 500 Ω or less)
Offset
-5V to +5V
*1*2
-20mA to +20mA
*1*3
Gain
-4V to +15V
*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 20V full scale
±0.5% (±100μA) for 20mA full scale
Same accuracy for 4mA to 20mA output
Ambient temperature:
0 to 55°C
±1.0% (±200mV) for 20V full scale
±1.0% (±200μA) for 20mA full scale
Same accuracy for 4mA to 20mA output
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 points
occupied
8 points (Taken from either the input or output points of the PLC.)
0
+10V
+2000
-2000
-10V
zWhen the output mode is set to "0":
+2047
-2048
zWhen the output mode is "2":
(The dotted line is for mode 1.)
0
20mA
1000
Digital input
Analog
output
4mA
1023
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