Rockwell Automation 1746-INT4 Thermocouple/MV Isolated/ User Manual User Manual
Page 106

Publication 1746-UM614B-EN-P - September 2007
106 Channel Calibration
8. Observe bits 4…7 in status word 4.
If all the channels you are calibrating see 90.000 mV, the module
returns status-OK bits set, one bit for each channel (F Hex for all
four channels). Otherwise, the module returns channel status
bits set to zero.
9. Remove the 90.000 mV calibration voltage.
10. With your programming terminal, enter calibration code 1008
Hex into the data table address for configuration word 5.
11. Observe bits 0…3 in status word 5.
After the module burns the calibration values into its EEPROM, it
returns status-OK bits set, one bit for each channel (F Hex for all
four channels). If the module could not complete the calibration
of one or more channels, it returns a zeroed status bit for that
channel (non-F Hex returned).
12. To end the calibration procedure, enter calibration code 0000
Hex into the data table address for configuration word 5 with
your programming terminal.
During thermocouple/mV module operation, word 5 must be
zero.
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