Rockwell Automation 1769-OF2 Compact I/O Analog Modules - Manual (Page 75)

Publication 1769-UM002B-EN-P - July 2005
Module Data, Status, and Channel Configuration for the Input Modules 3-25
Figure 3.5 Sequential Sampling
Module update time is calculated as follows:
• Slowest channel update time of pair 0 and 4 (determined by the filter
setting selected for each channel and the channel update times from
Table 3.16 - channel update time for a channel that is not enabled is
equal to 0)
PLUS
• Slowest channel update time of pair 1 and 5
PLUS
• Slowest channel update time of pair 2 and 6
PLUS
• Slowest channel update time of pair 3 and 7
Disable
Sample
Channel 0
Sample
Channel 1
Sample
Channel 2
Sample
Channel 3 Enable
Sample
Channel 4
Sample
Channel 5
Sample
Channel 6
Sample
Channel 7
Update
Input Data
Wait
RTS
Disable Disable Disable
Disable Disable Disable Disable
Disable
Enable
Enable
Enable