Rockwell Automation 1746-INT4 Thermocouple/MV Isolated/ User Manual - Manual (Page 104)

Publication 1746-UM614B-EN-P - September 2007
104 Channel Calibration
Calibration Codes and Status
Use the following format for entering calibration code words and
reading calibration status bits. You enter calibration values in Hex.
You can read channel status OK bits at different steps in the
calibration procedure, one bit for each channel you are calibrating.
(1) Reads F Hex if all four channels are OK.
15 00 04 07 08 12 03 11
15 00 04 07 08 12 03 11
15 00 04 07 08 12 03 11
1 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0
1
3, 2, 1, 0
3, 2, 1, 0
3, 2, 1, 0
Code
Word 5
Status
Word 4
Status
Word 5
Use Word 5 (Output Image — Configuration Word) for Entering Calibration Codes
Calibration
Codes in Hex
Channel Status
During Calibration
Channel Status
at Completion of
Calibration
OK status bits (1 = OK) for channels
(high-end calibration)
(1)
Use Words 4 and 5 (Input Image — Status Words) for Reading Calibration Status
OK status bits (1 = OK) for channels
(low-end calibration)
(1)
OK status bits (1 = OK) for channels
(at completion of calibration)
(1)
Channel status words 6 and 7 display CAL4 during calibration.