Allen-Bradley Micro800 General Instructions Manual page 275

Chapter 11
Counter instructions
Structured Text (ST)
(* ST Equivalence: We suppose CTUD1 is an instance of block*)
CTUD1(trigger1, trigger2, reset_cmd, load_cmd,100);
full := CTUD1.QU;
empty := CTUD1.QD;
nb_elt := CTUD1.CV;
Rockwell Automation Publication 2080-RM001D-EN-E - February 2015 275