Mitsubishi Electric Melsec iQ-R Series User Manual page 42

(0) The value of the depth of a dent is measured when the count start (bCountStart) is turned off and on, then, its value is stored in data (Max_dent_depth).
(44) The number of the dents are counted and classified according to its values. (Number_of_dents_A: Dent (between 2m and 5m), Number_of_dents_B:
Dent (5m or more)
7 COMMUNICATION EXAMPLE
40
7.1 Communication Example Between Control Module and Sensor Head