Temperature specifications – Rockwell Automation 1771-TCM,D17716.5.108 TEMPERATURE CONTROL MOD User Manual
Page 83
Specifications
Appendix A
A-2
Temperature Specifications
Input Range
( l
bl )
±
105mV
p
g
(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)
Maximum Input Resolution
1
3.3
µ
V/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
Default Display Resolution
0.1
°
C (0.1
°
F)
Temperature Scale
°
C (
°
F)
Input Impedance
> 10 M
Ω
Thermocouple Linearization
IPTSĆ68 standard, NBS MNĆ125
Cold Junction Compensation
0 to 70
°
C
±
0.25
°
C
Open Input Detection
upscale
Open TC Leakage Current
< 10 nA (maximum)
Time to Detect Open Input
5s (maximum)
Input Overvoltage Protection
140V ac rms continuous
Normal Mode Rejection (50/60Hz)
50dB / 60dB (minimum)
Common Mode Rejection (60Hz)
150dB (typical)
Offset Drift (maximum)
±
0.50
µ
V/
°
C
Gain Drift (maximum)
±
35ppm/
°
C
Input Bandwidth
9Hz
Update Time (8 loops)
1s
TPO Update Time (blockĆtransfer)
500ms (maximum)
TPO Update Time (singleĆtransfer)
20ms (maximum)
Settling Time to within
0.1% of Full Scale
125ms (maximum)
NonĆlinearity
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)
Calibration Values
0.000 / 100.000mV
Underrange Threshold
-103.0mV
Overrange Threshold
+103.0mV
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
Scaling Points
→
Default Scaling Values
-100/+100mV
→
-100.00/+100.00
-300/+1800
°
C
→
-300.0/1800.0
-508/+3272
°
F
→
-508.0/3272.0
1
Maximum resolution is obtained by rescaling input data to counts.
2
These resolutions apply to the commonly used ranges for these thermocouples. See graphs.