Counter Instructions
Statement List (STL) for S7-300 and S7-400 Programming
A5E00706960-01
4-5
4.5 R Reset Counter
Format
R
<counter>
Address Data type Memory area Description
<Counter> COUNTER C Counter to be preset,
range depends on
CPU.
Description
R <counter> loads the addressed counter with "0" if RLO=1.
Status word
BR CC 1 CC 0 OV OS OR STA RLO /FC
writes: - - - - - 0 - - 0
Example
STL Explanation
A I 2.3 //Check signal state at input I 2.3.
R C3 //Reset counter C3 to a value of 0 if RLO transitions from 0 to 1.
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