Datasheet
NX series I/O 31
Temperature input unit
Thermocouple input unit
Item Specifications
Model NX-TS2101 NX-TS3101 NX-TS2102 NX-TS3102 NX-TS2104 NX-TS3104
Name Thermocouple type
Capacity 2 points 4 points 2 points 4 points 2 points 4 points
Temperature sensor K, J, T, E, L, U, N, R, S, B, WRe5-26,
PLII
K, J, T, E, L, U, N, R, S, WRe5-26, PLII
Input conversion range ±20°C of the input range
Input detection current Approx. 0.1 µA
Input impedance 20 K min.
Absolute maximum rating ±130 mV
Resolution 0.1°C max.
*1
*1. The resolution is 0.2ºC max. when the input type is R, S or W.
0.01ºC max. 0.001ºC max.
Warm-up period 30 minutes 45 minutes
Reference
accuracy and
temperature
coefficient
Conversion time 250 ms 10 ms 60 ms
Temperature range K, N (–200 to 1,300°C)
J (–200 to 1,200°C)
T (–200 to 400°C)
E (–200 to 1,000°C)
L (–200 to 900°C)
U (–200 to 600°C)
R, S (–50 to 1,700°C)
B (0 to 1,800°C)
WRe5-26 (0 to 2,300°C)
PLII (0 to 1,300°C)
K, N (–200 to 1,300°C)
K (-20 to 600ºC, high resolution)
J (–200 to 1,200°C)
J (–20 to 600°C, high resolution)
T (–200 to 400°C)
E (–200 to 1,000°C)
L (–200 to 900°C)
U (–200 to 600°C)
R, S (–50 to 1,700°C)
WRe5-26 (0 to 2,300°C)
PLII (0 to 1,300°C)
Accuracy
*2
*2. Accuracy for temperature inputs as percentage of process value and typical value 25ºC ambient temperature (refer to the user's manual for detailed information).
K/J/E/L/N/R/S/PLII (±0.1%)
T (±0.2%)
U (±0.15%)
WRe5-26 (±0.05%)
T (±0.22%)
R/S (±0.19%)
N (±0.11%)
U (±0.09%)
K/J/E/L/WRe5-26/PLII (±0.05%)
Dielectric strength 510 VAC between isolated circuits for 1 minute at a leakage current of 5 mA max.
Insulation resistance 20 M min. between isolated circuits (at 100 VDC)
Isolation method Between the input and the NX bus:
Power = Transformer
Signal = Photocoupler
Between inputs:
Power = Transformer,
Signal = Photocoupler
Between the input and the NX bus:
Power = Transformer,
Signal = Digital isolator
Between inputs:
Power = Transformer
Signal = Digital isolator
Unit power consumption 0.90 W max. 1.30 W max. 0.80 W max. 1.10 W max. 0.80 W max. 1.10 W max.
I/O power supply method No supply
I/O current consumption No consumption
Current capacity of I/O power supply terminal Without I/O power supply terminals
I/O refreshing method Free-run refreshing
Terminal block type Screwless push-in
terminal
16 terminals
(A + B)
Screwless push-in
terminal
16 terminals x 2
[(A + B) & (C + D)]
Screwless push-in
terminal
16 terminals
(A + B)
Screwless push-in
terminal
16 terminals x 2
[(A + B) & (C + D)]
Screwless push-in
terminal
16 terminals
(A + B)
Screwless push-in
terminal
16 terminals x 2
[(A + B) & (C + D)]
Dimensions (W x H x D) 12 × 100 × 71 mm 24 × 100 × 71 mm 12 × 100 × 71 mm 24 × 100 × 71 mm 12 × 100 × 71 mm 24 × 100 × 71 mm
Weight 70 g max. 140 g max. 70 g max. 140 g max. 70 g max. 140 g max.
NX-TS3101/TS3102/TS3104
Terminal wiring
NX-TS2101/TS2102/TS2104
Cold junction sensor
NC NC
C1 D1
C8 D8
NC NC
TC4+ TC4
TC3+TC3
NC NC
NC NC
CJ2+ CJ2
NC NC
NC NC
A1 B1
A8 B8
NC NC
TC2+ TC2
TC1+ TC1
NC NC
NC NC
CJ1+ CJ1
NC NC
* Do not touch or remove.
Thermocouple input
Cold junction sensor
NC NC
A1 B1
A8 B8
NC NC
TC2+ TC2
TC1+ TC1
NC NC
NC NC
CJ1+ CJ1
NC NC
* Do not touch or remove.
Thermocouple input
Temperature input
unit
NX-TS210
@
Temperature input unit
NX-TS310@