Temperature specifications – Rockwell Automation 1771-N SERIES High Resolution Analog Module User Manual User Manual
Page 83
Specifications
A–3
Publication 1771ĆUM127B-EN-P - December 2002
Temperature Specifications
±100mV Thermocouple Input
-5 to +55mV Thermocouple Input
1Ć650Ω RTD Input
Input Range
(selectable)
±105mV
-5.5 to 56.0mv
4 to 650Ω
(selectable)
Type B: 300 to 1800
o
C
(572 to 3272
o
F)
Type E: -270 to 1000
o
C (-454 to 1832
o
F)
Type J:
-210 to 1200
o
C (-346 to 2192
o
F)
Type K: -270 to 1372
o
C (-454 to 2502
o
F)
Type R: -50 to 1768
o
C
(-58 to 3214
o
F)
Type S: -50 to 1768
o
C
(-58 to 3214
o
F)
Type T: -270 to 400
o
C
(-454 to 752
o
F)
Type B: 300 to 1800
o
C (572 to 3272
o
F)
Type C: 0 to 2315
o
C
(32 to 4199
o
F)
Type E: -20 to 735
o
C
(-4 to 1355
o
F)
Type J: -37 to 966
o
C
(-34 to 1770
o
F)
Type K: -71 to 1372
o
C (-95 to 2502
o
F)
Type N: -270 to 1300
o
C (-450 to 2372
o
F)
Type R: -50 to 1768
o
C (-58 to 3214
o
F)
Type S: -50 to 1768
o
C (-58 to 3214
o
F)
Type T: -73 to 400
o
C
(-99 to 752
o
F)
100Ω Pt a=0.00385 European standard:
-200 to +870
o
C (-328 to +1598
o
F)
100Ω Pt a=0.003916 U.S. standard:
-200 to +630
o
C (-328 to +1166
o
F)
10Ω copper:
-200 to +260
o
C (-328 to +500
o
F)
120Ω nickel:
-80 to +320
o
C
(-112.1 to +608
o
F)
Maximum Input Resolution
1
3.3µV/bit @ 15 bits with sign bit
Type E, J, K, T 0.1°C (0.2°F)
2
Type B, R, S: 0.3
o
C (0.6
o
F)
2
0.95µV/bit @ 16 bits unipolar
Type E, J, K, T, N: 0.03°C (0.06°F)
2
Type B, R, S: 0.1
o
C (0.2
o
F)
2
Type C: 0.07
o
C (0.1
o
F)
2
10mΩ/bit @ 16 bits unipolar
100Ω Pt & 120Ω Ni 0.03 °C (0.06°F)
10Ω Cu 0.3°C (0.5°F)
Default Display Resolution
0.01mV / 0.1°C (0.1°F)
0.1mV / 1.0°C (0.1°F)
0.01 ohm / 0.1°C (0.1°F)
Temperature Scale (per module)
°C (°F)
°C (°F)
°C (°F)
Input Impedance
> 10 MΩ
> 10 MΩ
Thermocouple Linearization
IPTSĆ68 standard, NBS MNĆ125
IPTSĆ68 standard, NBS MNĆ125
Cold Junction Compensation
0 to 70°C ±0.25°C
0 to 70°C ±0.25°C
Open Input Detection
upscale
upscale
upscale
Open TC Leakage Current
< 10 nA (maximum)
< 10 nA (maximum)
Time to Detect Open Input
10s (maximum)
5s (maximum)
5s (maximum)
RTD Excitation Current
1mA (typical)
Input Overvoltage Protection
140V ac rms continuous
140V ac rms continuous
140V ac rms continuous
Normal Mode Rejection (50/60Hz) 50dB / 60dB (minimum)
50dB / 60dB (minimum)
50dB / 60dB (minimum)
Common Mode Rejection (60Hz)
150dB (typical)
150dB (typical)
150dB (typical)
Offset Drift (maximum)
±0.50µV/°C
±0.50µV/°C
±25 mΩ/°C
Gain Drift (maximum)
±35ppm/°C
±35ppm/°C
±50ppm/°C
Input Bandwidth
9Hz
9Hz
9Hz
Update Time (per module)
25ms (maximum)
25ms (maximum)
25ms (maximum)
SettlingTime to within
0.1% of Full Scale
125ms (maximum)
125ms (maximum)
125ms (maximum)
NonĆlinearity
0.02% of full range (maximum)
0.02% of full range (maximum)
0.02% of full range (maximum)
Accuracy with Calibration
(includes nonĆlinearity, gain,
offset)
0.01% of full range @ 25°C (typical)
0.05% of full range @ 25°C (maximum)
0.01% of full range @ 25°C (typical)
0.05% of full range @ 25°C (maximum)
0.025% of full range @ 25°C (typical)
0.05% of full range @ 25°C (max.)
Calibration Values
0.000 / 100.000mV
0.000 / 55.000mV
1.00 / 649.0Ω
Underrange Threshold
-103.0mV
-5.5mV
0.9Ω
Overrange Threshold
+103.0mV
+56.0mV
650Ω
Rate Alarm Value
Minimum (0.04% FSR)
Maximum (50% FSR)
0.08mV / 0.9°C (1.6°F) per second
100mV / 1050°C (1890°F) per second
24uV / 0.9°C (1.6°F) per second
30mV / 1050°C (1890°F) per second
0.26Ω / 0.44°C (0.8°F) per second
325Ω / 550°C (990°F) per second
ScalingPoints →
Default ScalingValues
3
-100/+100mV → -10000/+10000
-300/1800°C
→ -3000/18000
-508/3272°F
→ -5080/32720
-5/+55mV
→ -500/+5500
-300/1800°C → -3000/18000
-508/3272°F → -5080/32720
Type C only:
-300/2500°C →
-3000/25000
-508/4532°F →-508/4532
+1/650Ω
→ +10/6500
-200/900°C
→ -2000/9000
-328/1652°F → -3280/16520
1
Maximum resolution is obtained by rescalinginput data to counts.
2
These resolutions apply to the commonly used ranges for these thermocouples. See graphs.
3
Values shown are applicable when using2's complement data format.