Rockwell Automation GMLC Reference Manual - Manual (Page 820)

Publication GMLC-5.2 - November 1999
Defining Inputs and Outputs 783
4. In the I/O Configuration area, make entries in the following fields:
Field Description
Update Rate I/O image file updates to and from the SLC are
executed from the servo interrupt routine, and
are independent of the SLC I/O scan. The
higher the setting, the more CPU utilization is
impacted.
Select one of the I/O update rates:
Slow
Updates the complete I/O image
file every four servo loops.
Medium Updates the complete I/O image
file every two servo loops.
Fast Updates the complete I/O image
file every servo interrupt.
Input Bits
1 Select the number of input bits you need:
8 (from 0 to 7)
24 (from 0 to 23)
40 (from 0 to 39)