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4 Comparison of Performance Specifications
4.4 Temperature Sensor Input
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
4.4 Temperature Sensor Input
4.4.1 FX3U-4AD-PT-ADP
Specifications
FX3U-4AD-PT-ADP
Centigrade(°C) Fahrenheit(°F)
Number of input points 4ch
Input signal
3-wire platinum resistance thermometer sensor(s)
JIS C 1604-1997
Rated temperature range -50°C to +250°C-58°F to +482°F
Digital output -500 to +2500 -580 to +4820
Resolution 0.1°C0.18°F
Overall accuracy
• Ambient temperature: 25°C±5°C ±0.5% for full scale
• Ambient temperature: 0°C to 55°C ±1.0% for full scale
Time required for
conversion
•FX
3U/FX3UC Series PLC : 200μs (Data updated every scan time.)
•FX
3G Series PLC : 250μs (Data updated every scan time.)
Input 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 inputs.
• Channels are not insulated from each other.
Number of I/O points
occupied
0 points
(This number of points is not related to the maximum number of input/output points of the PLC.)
0
+2500
+250°C
-50°C
-550
Temperature
Digital
output
+2550
+255°C
-55°C
-500
0
+4910
+482°F
-58°F
-580
Temperature
Digital
output
+491°F
-670
-67°F
+4820