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4 Comparison of Performance Specifications
4.2 Analog Output
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
Common Items
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
4.2.3 FX3U-4DA
*1. Adjustment of the offset or gain value will not affect the resolution. In the analog value specification
mode, however, the offset/gain cannot be adjusted.
*2. The offset and the gain should satisfy the following condition:
1V
≤ (Gain - Offset) ≤ 10V
*3. The offset and the gain should satisfy the following condition:
3mA
≤ (Gain - Offset) ≤ 30mA
*4. Adjustment of the offset or gain value will not affect the resolution.
Specifications
FX3U-4DA
Voltage output Current output
Number of output points 4ch
Analog output range
-10V to +10V DC
(External load: 1k to 1MΩ)
0mA to 20mA DC
4mA to 20mA DC
(External load: 500Ω or less)
Offset
-10V to +9V
*1,*2
0mA to 17mA
*1,*3
Gain
-9V to +10V
*1,*2
3mA to 30mA
*1,*3
Digital input With sign, 16 bits, binary 15 bits, binary
Resolution 0.32mV(20V×1/64000)
*4
0.63μA(20mA×1/32000)
*4
Overall accuracy
Ambient temperature:
25±5°C
±0.3%(±60mV) for 20V full scale
±0.3%(±60μA) for 20mA full scale
Same accuracy for 4mA to 20mA output
Ambient temperature:
0 to 55°C
±0.5%(±100mV) for 20V full scale
±0.5%(±100μA) for 20mA full scale
Same accuracy for 4mA to 20mA output
Reference Includes corrective function by load fluctuation. -
Time required for D/A
conversion
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
+32000
-32000
-10V
z
When the output mode is set to "0":
+32640
-32640
+10.2V
-10.2V
z
When the output mode is "2":
(The dotted line is for mode 3.)
0
20mA
32000
Digital input
Analog
output
4mA
32640
20.4mA