Mitsubishi Electronics MELSEC-F Manuel D’Utilisation
A-38
4 Comparison of Performance Specifications
4.3 Mixed Analog Input/Output
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
Common Items
4.3 Mixed Analog Input/Output
4.3.3
FX
0N
-3A
*1.
Combined use of voltage and current inputs is not possible.
*2.
Adjustment of the volume (offset or gain) value will change the resolution.
*3.
Adjustment of the offset or gain value will change the resolution.
Specifications
FX
0N
-3A
Voltage input
Current input
Voltage output
Current output
Number of
input/output
points
input/output
points
2ch
1ch
Analog input/
output range
output range
*1
0V to 10V DC
0V to 5V DC
(Input resistance: 200k
Ω)
4mA to 20mA DC
(Input resistance: 250
Ω)
0V to 10V DC
0V to 5V DC
(External load: 1k to 1M
Ω)
4mA to 20mA DC
(External load: 500
Ω)
Absolute
maximum
input
maximum
input
-0.5V,
+15V
-2mA,
+60mA
-
-
Offset
*2*3
If the digital value is "0":
0V to 1V
If the digital value is "0":
0mA to 4mA
If the digital value is "0":
0V to 1V
If the digital value is "0":
4mA
Gain
*2*3
If the digital value is "250":
5V to 10V
If the digital value is "250":
20mA
If the digital value is "250":
5V to 10V
If the digital value is "250":
20mA
Digital input/
output
output
0 to 250
8 bits, binary
0 to 250
8 bits, binary
Resolution
*3
40mV(10V
×1/250)
64
μA(16mA×1/250)
40mV(10V
×1/250)
64
μA(16mA×1/250)
Overall
accuracy
accuracy
±0.1V
±0.16mA
±0.1V
±0.16mA
Time required
for conversion
for conversion
TO instruction processing time
× 2 + FROM instruction processing time
(operation synchronized with sequence program)
I/O
characteristics
characteristics
If the input data consists of 9 bits or more, only the
lower 8 bits will be valid, and the other bits will be
ignored.
lower 8 bits will be valid, and the other bits will be
ignored.
Insulation
method
method
• The photocoupler is used to insulate the analog input and output area from the PLC.
• Channels are not insulated from each other.
• Channels are not insulated from each other.
Number of I/O
points
occupied
points
occupied
8 points (Taken from either the input or output points of the PLC.)
0
250
10V
255
Analog input
Di
gi
ta
l out
put
10.
200
V
255
0
250
20mA
Analog input
Di
gi
ta
l out
put
4mA
20.
320
m
A
0
10V
250
Digital input
A
nal
og out
put
255
0
20mA
250
Digital input
A
nal
og out
put
4mA
255