Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules - Manual (Page 367)

Publication 1756-UM009C-EN-P - December 2010 367
Additional Specification Information Appendix E
Module Error at 25 °C (77 °F) (-12…30 mV Range)
The table lists the ControlLogix thermocouple modules’ error at 25 °C (77 °F)
when used in the -12…30 mV input range.
The information represented in the table is shown graphically in the following
illustrations.
Application
Temperature Module Error (in degrees) at 25 °C (77 °F) When Connected to This Thermocouple Type
B R S
E
(1)
J
(2)
K
(3)
N
(4) T
-200 °C (-328 °F) 0.836 0.96 1.376 2.115 1.334
0 °C (32 °F) 0.358 0.42 0.532 0.803 0.542
200 °C (392 °F) 2.37 2.48 0.284 0.38 0.525 0.637 0.395
400 °C (752 °F) 2.02 2.19 0.262 0.38 0.497 0.566 0.340
600 °C (1112 °F) 3.53 1.85 2.06 0.494 0.539
800 °C (1472 °F) 2.75 1.71 1.93 0.535
1000 °C (1832 °F) 2.30 1.59 1.82
1200 °C (2192 °F) 2.03 1.51 1.75
1400 °C (2552 °F) 1.86 1.49 1.73
1600 °C (2919 °F) 1.80 1.51 1.77
1800 °C (3272 °F) 1.83 1.71 2.04
(1) Type E thermocouples can only be used in applications up to 400 °C (752 °F).
(2) Type J thermocouples can only be used in applications up to 550 °C (1022 °F).
(3) Type K thermocouples can only be used in applications up to 700 °C (1292 °F).
(4) Type N thermocouples can only be used in applications up to 800 °C (1472 °F).
Application Temperature in °C
0.00
1.00
2.00
3.00
-200 0 200 400 600 800 1000 1200 1400 1600 1800
Module Error (+/-)
Thermocouple Module Error at 25 °C (77 °F) - Type B Thermocouple Connection in a -12…30 mV Input Range
45092