Rockwell Automation 1746-NR8 SLC 500 RTD/Resistance Input Module User Manual - Manual (Page 47)

Publication 1746-UM003A-EN-P
Preliminary Operating Considerations 3-11
Figure 3.7 Scanning Cycle
Channel 1 Channel 0
Start
Update Channel 1 Data Word
Wait for Channel 0 A/D Conversion
Read Channel 0 A/D Configure and
Start Channel 1 A/D
Calculate Channel 1 Data
Configure and Start Channel 0 A/D
Read Channel 1 A/D
Wait for Channel 1 A/D Conversion Calculate Channel 0 Data
Update Channel 0 Data Word