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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
4.4 Temperature Sensor Input
4.4.8 FX2N-2LC
*1. For FX2N-2LC, the rated temperature range, digital output value, and resolution depend on the selected sensor
and mode.
*2. Accuracy is not guaranteed for the temperature range of 0
°C to 399°C(0
°
F to 799
°
F) of the thermocouple -B input
and for the temperature range of 0
°
F to 32
°
F of the PL II and WRe5-26 inputs.
Specifications
FX2N-2LC
*1*2
Centigrade(°C) Fahrenheit(°F)
Number of input points 2ch
Input signal
Thermocouple type K, J, R, S, E, T, B, N, PL II, WRe5-26, U, and L
JIS C 1602-1995
3-wire platinum resistance thermometer sensor(s)
Pt100 JIS C 1604-1997, JPt100 JIS C 1604-1981
Rated temperature range
Examples:
• Type K
-100°C to +1300°C
• Type J
-100.0°C to +800.0°C
Examples:
•Type K
-100
°
F to +2400
°
F
•Type J
-100
°
F to +2100
°
F
Digital output
Examples:
• Type K
-100 to +1300
• Type J
-1000 to +8000
Examples:
•Type K
-100 to +2400
•Type J
-100 to +2100
Resolution 1°C or 0.1°C
1
°
F or 0.1
°
F
Overall accuracy
Ambient temperature:
23±5°C
±0.3°C(±1digit) for full scale
Ambient temperature:
0 to 55°C
±0.7°C (±1digit) for full scale
Cold junction temperature
compensation error
±1.0°C
±2.0°C if the input value is in the range from -150°C to -100°C
±3.0°C if the input value is in the range from -200°C to -150°C
Time required for
conversion
500ms(Sampling period)
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 insulated from each other.
Number of I/O points
occupied
8 points (Taken from either the input or output points of the PLC.)
0
+1300
+1300
°
C
-100°C
-100
Temperature
z
When type K (input mode 2)
is set:
Digital
output
0
+2400
+2400
°
F
-100
°
F
-100
Temperature
z
When type K (input mode 4)
is set:
Digital
output