Cold junction compensation calibration – Rockwell Automation 1734-IT2I Thermocouple and RTD Input Module User Manual User Manual
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Publication 1734-UM004F-EN-E - December 2012
Calibrate Your Module 45
10. Set the source to 70 mV.
Module terminal voltage must be exact.
11. Click Accept High Input.
12. Click the Download to Device button.
Input calibration is now complete. The status indicator should be solid green
(normal) or blinking red (no load). The channel can now be configured to the
type of input desired for normal operation. If an error occurred during
calibration, select Abort Calibration in the Calibration Command parameter to
restore the previous calibration values, and try again.
Cold Junction Compensation Calibration
Perform this procedure from the Device Parameters dialog.
1. Click Calibration Channel Select and select one channel, or both
channels at once.
Select Cold Junction 0, Cold
Junction 1, or Both Cold Junction.