Rockwell Automation 1746-NR4 SLC RTD/Resistance Input Module User Manual - Manual (Page 60)

Publication 1746-UM008B-EN-P - December 2006
60 Preliminary Operating Considerations
Scanning Cycle
Start
Channel 0 Channel 1
Update Channel 1 data word.
Calculate Channel 1 data.
Configure and start Channel 0 A/D.
Read Channel 1 A/D.
Wait for Channel 1 A/D conversion.
Update Channel 0 data word.
Calculate Channel 0 data.
Configure and start Channel 1 A/D.
Read Channel 0 A/D.
Wait for Channel 0 A/D conversion.
Scan Cycle With Channels 0 and 1 Enabled Only