Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual - Manual (Page 155)

Timers and Counters
Chapter 11
11-10
Editing in a Completed Rung
You edit an Up Counter, a Down Counter, or a Counter Reset instruction
by performing the following steps.
1. Position the cursor over the Up Counter, Down Counter or Counter
Reset you want to change.
2. Press either -(CTU)-, -(CTD)-, -(CTR)-, or any other appropriate
instruction type.
3. Enter <address>.
Important: Do not perform steps 4 and 5 for a Counter Reset instruction.
4. Enter <preset value> if appropriate.
5. Enter <accumulated value>.