Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules - Manual (Page 374)

374 Publication 1756-UM009C-EN-P - December 2010
Appendix E Additional Specification Information
Module Resolution (-12…30 mV Range)
The table lists the resolution of ControlLogix thermocouple modules 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 Resolution (in degrees) When Connected to This Thermocouple Type
B R S
E
(1)
J
(2)
K
(3)
N
(4) T
-200 °C (-328 °F) 0.028 0.032 0.046 0.071 0.044
0 °C (32 °F) 0.13 0.13 0.012 0.014 0.018 0.027 0.018
200 °C (392 °F) 0.08 0.08 0.009 0.013 0.018 0.021 0.013
400 °C (752 °F) 0.17 0.07 0.07 0.009 0.013 0.017 0.019 0.011
600 °C (1112 °F) 0.12 0.06 0.07 0.016 0.02
800 °C (1472 °F) 0.09 0.06 0.06 0.02
1000 °C (1832 °F) 0.08 0.05 0.06
1200 °C (2192 °F) 0.07 0.05 0.06
1400 °C (2552 °F) 0.06 0.05 0.06
1600 °C (2919 °F) 0.06 0.05 0.06
1800 °C (3272 °F) 0.06 0.06 0.07
(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
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0.18
0.20
-200 0 200 400 600 800 1000 1200 1400 1600 1800
Minimum Amount of
Degree Change Required
for Thermocouple Module
to Report the Change
Thermocouple Module Resolution - Type B Thermocouple Connection in a -12…30 mV Input Range