MELSEC-F series Input device for temperature sensor
Temperature control blocks support Thermocouple elements and PT100 elements.
FX3U-4LC temperature control blocks are used when the internal PID functions are not precise or fast enough.
|
Model
(Number of channels) |
Available sensor | Input specifications | Applicable FX PLC | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Item | Temperature input |
FX
3S |
FX
3G |
FX
3U |
FX
3GC |
FX
3UC |
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|
FX3U-4AD-PT-ADP
(Input 4 ch) 
|
Platinum resistance thermometer sensor
Pt100, 3-wire |
Input
range |
-50 to 250°C
Digital output (-500 to 2500) |
*8
○ Max. 1 unit |
*3
*4
○ Max. 2 units |
*5
○ Max. 4 units |
○
Max. 2 units |
*5*6
○ Max. 4 units |
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| Resolution | 0.1°C | ||||||||||||
|
FX3U-4AD-PTW-ADP
(Input 4 ch） 
|
Platinum resistance thermometer sensor
Pt100, 3-wire |
Input
range |
-100 to 600°C
Digital output (-1000 to 6000) |
*8
○ Max. 1 unit |
*3
*4
○ Max. 2 units |
*5
○ Max. 4 units |
○
Max. 2 units |
*5*6
○ Max. 4 units |
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| Resolution | 0.2 to 0.3°C | ||||||||||||
|
FX3U-4AD-TC-ADP
(Input 4 ch) 
|
Thermocouple
K/J type |
Input
range |
K type:
-100 to 1000°C Digital output (-1000 to 10000) J type: -100 to 600°C Digital output (-1000 to 6000) |
*8
○ Max. 1 unit |
*3
*4
○ Max. 2 units |
*5
○ Max. 4 units |
○
Max. 2 units |
*5*6
○ Max. 4 units |
|||||
| Resolution |
K type: 0.4°C
J type: 0.3°C |
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|
FX2N-8AD
(Input 8 ch) 
|
Thermocouple
K/J/T type |
Input
range |
K type: -100 to 1200°C
Digital output (-1000 to 12000) J type: -100.0 to 600°C Digital output (-1000 to 6000) T type: -100.0 to 350°C Digital output (-1000 to 3500) |
× |
○ Max. 8 units |
○ Max. 8 units |
*9
○ Max. 8 units |
*1
*2
○ Max. 8 units |
|||||
| Resolution |
[Typical example]
K type: 0.1°C J type: 0.1°C T type: 0.1°C |
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|
FX3U-4LC
(Input 4 ch) 
|
Platinum resistance thermometer sensor
Pt100, JPt100, Pt1000 |
Input
range |
[Typical example]
Pt100: -200 to 600°C Pt1000: -200.0 to 650.0°C |
× |
○ Max. 8 units |
*7
○ Max. 8 units |
*9
○ Max. 8 units |
*1*7
○ Max. 6 units |
|||||
| Resolution |
0.1°C or 1°C
(differs depending on the sensor used) |
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|
Thermocouple
K/J/R/S/E/T/B/ N/PLII/W5Re/ W26Re/U/L type |
Input
range |
[Typical example]
K type: -200.0 to 1300°C J type: -200.0 to 1200°C |
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| Resolution |
0.1°C or 1°C
(differs depending on the sensor used) |
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| Low voltage input |
Input
range |
0 to 10 mV DC
0 to 100 mV DC |
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| Resolution |
0.5 μV or 5.0 μV
(differs depending on the sensor used) |
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- *1 When connecting to FX3UC, FX2NC-CNV-IF or FX3UC-1PS-5V is required.
- *2 FX3UC-32MT-LT(-2): 7 units. FX3UC-**MT/D, FX3UC-**MT/DSS, FX3UC-16MR/D(S)-T: 8 units.
- *3 When connecting to FX3G, FX3G-CNV-ADP is required.
- *4 FX3G 14 pt, 24 pt models: 1 board. 40 pt, 60 pt models: 2 boards.
- *5 For connection to FX3U and FX3UC-32MT-LT(-2), function expansion board is required.
- *6 Supported by FX3UC-32MT-LT ver. 1.30 and later.
- *7 Supported by FX3U and FX3UC ver. 2.20 and later.
- *8 When connecting to FX3S, FX3S-CNV-ADP is required.
- *9 When connecting to FX3GC, FX2NC-CNV-IF or FX3UC-1PS-5V is required.