Rockwell Automation 1794-IT8,D17946.5.7 Thermocouple/Millivolt Input Module - Manual (Page 53)

6–11 Calibrating Your Module
Publication 1794-6.5.7 – April 1997
The button populates the screen with the actual
values appearing at the inputs. Note that there is an implied decimal
point to the left of the last 2 digits.. For example, channel 0 data
value reads 7500. The actual reading is 75.00mV.
After both offset and gain calibrations are successful, click on
.
You will be returned to the module configuration screen. Either save
to the device (adapter), or save to a file by clicking on the
appropriate button.