Mitsubishi Electronics MELSEC-F Manuel D’Utilisation
A-31
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
C
ommon Item
s
B
FX
3U
-4A
D
D
FX
3UC
-4A
D
D
C
FX
3U
-4AD
-A
DP
D
FX
3G
-2A
D
D
-B
D
E
FX
3U
-4D
A
A
F
FX
3U
-4DA
-A
DP
G
FX
3G
-1D
A
A
-B
D
H
FX
3U
-3
A-
AD
P
P
I
FX
3U
-4A
D
D
-P
T
-
A
D
P
J
FX
3U
-4AD
-P
TW
-A
D
P
4.2.3
FX
3U
-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.
mode, however, the offset/gain cannot be adjusted.
*2.
The offset and the gain should satisfy the following condition:
1V
1V
≤
(Gain - Offset)
≤
10V
*3.
The offset and the gain should satisfy the following condition:
3mA
3mA
≤
(Gain - Offset)
≤
30mA
*4.
Adjustment of the offset or gain value will not affect the resolution.
Specifications
FX
3U
-4DA
Voltage output
Current output
Number of output points
4ch
Analog output range
-10V to +10V DC
(External load: 1k to 1M
Ω)
0mA to 20mA DC
4mA to 20mA DC
4mA to 20mA DC
(External load: 500
Ω 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
0.63
μA(20mA×1/32000)
*4
Ov
eral
l ac
cura
cy 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
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
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.
• 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
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
A
nal
o
g
out
pu
t
4mA
32640
20.4mA