Allen-Bradley Micro800 General Instructions Manual page 269

Chapter 11
Counter instructions
Ladder Diagram (LD)
Structured Text (ST)
(*ST Equivalence: CTD1 is an instance of block *)
CTD1(trigger,load_cmd,100);
underflow := CTD1.Q;
result := CTD1.CV;
Results
Rockwell Automation Publication 2080-RM001D-EN-E - February 2015 269