Rockwell Automation AB quality Allen-Bradley 1746-INT4 User Manual page 104

Thermocouple/mv isolated input module
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104
Channel Calibration
Code
Word 5
Status
Word 4
Status
Word 5
Publication 1746-UM614B-EN-P - September 2007
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.
Use Word 5 (Output Image — Configuration Word) for Entering Calibration Codes
15
12
11
1
0
Use Words 4 and 5 (Input Image — Status Words) for Reading Calibration Status
15
12
11
0
0
0
0
0
0
OK status bits (1 = OK) for channels
(1)
(high-end calibration)
15
12
11
0
0
0
0
0
0
Channel status words 6 and 7 display CAL4 during calibration.
(1) Reads F Hex if all four channels are OK.
08
07
04
0
08
07
04
0
0
3, 2, 1, 0
OK status bits (1 = OK) for channels
(1)
(low-end calibration)
08
07
04
0
0
0
0
0
0
OK status bits (1 = OK) for channels
(1)
(at completion of calibration)
03
00
Calibration
1
Codes in Hex
03
00
Channel Status
During Calibration
3, 2, 1, 0
03
00
Channel Status
at Completion of
Calibration
3, 2, 1, 0

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