PLC concepts
4.2 Accessing data
S7-200 SMART
86 System Manual, V2.3, 07/2017, A5E03822230-AF
Note
When modifying the value of a pointer, remember to adjust for the size of the data that you
are accessing: to access a byt
e, increment the pointer value by 1; to access a word or a
current value for a timer or counter, add or increment the pointer value by 2; and to access a
double word, add or increment the pointer value by 4.
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