Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 399
Array (File)/Misc. Instructions (FAL, FSC, COP, CPS, FLL, AVE, SRT, STD, SIZE) Chapter 8
Example 3: Strings_a is an array of string structures. The SIZE instruction finds the number
of elements in the DATA member of the string structure and stores the size in
data_size_a. In this example, the DATA member has 24 elements. (The string
structure has a user-specified length of 24.)
Relay Ladder
Structured Text
SIZE(strings_a[0].DATA[0],0,data_size_a);
Size in Elements
Source strings_a[0].DATA[0]
'$00'
Dim. To Vary 0
Size data_size_a
24
SIZE
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