A-21
4 Comparison of Performance Specifications
4.2 Analog Output
A
Common Items
B
FX
3UC
-4AD
C
FX
3U
-4AD-ADP
D
FX
3U
-4DA-ADP
E
FX
3U
-4AD-PT
-ADP
F
FX
3U
-4AD-TC
-ADP
G
PID Instruction
(FNC 88)
FX
3U
/FX
3UC
Series PLC User's Manual - Analog Control Edition
Common Items
4.2.3 FX2N-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:1
1V ≤
(Gain - Offset)
≤ 15V
*3. The offset and the gain should satisfy the following condition:
4mA ≤
(Gain - Offset)
≤ 32mA
Specifications
FX2N-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
15 V or less, and
Gain - Offset ≥ 1V
32 mA or less, and
Gain - Offset ≥ 4mA
Digital output With sign, 12 bits, binary 10 bits, binary
Resolution
5mV(10V×1/2000)
*1
20µA(20mA×1/1000)
*1
Overall accuracy
±1.0%(±200mV) for full scale of 20V
±1.0%(±200µA) for full scale of 20mA
Same for input of 4mA to 20mA
Does not include any load fluctuation. -
Time required for D/A
conversion
2.1 ms (The number of selected channels will not affect this value.)
Output characteristics
Insulation method
• The photocoupler is used to insulate the analog input 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
+2000
+10V
-10V
-2000
z
When the output mode is set to "0":
Approx. +2047
Approx. -2048
0
1000
Digital input
4mA
Analog output
20mA
z
When the output mode is "2":
(The dotted line is for mode 1.)
Approx. 1023