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Examples |
Examples for the Item field of a Variable Tag
Variable |
Block Size |
Interpretation |
|---|---|---|
simpleVariable |
0 (zero, PLC Tag) |
Simple data type |
arrayVariable |
10 |
Array with ten positions of simple data types |
arrayVariable[9] |
0 (zero) |
Simple data type (element of an array) |
structVariable.simpleMember |
0 (zero) |
Simple data type (element of a structure) |
arrayStructVariable[5].simpleMember |
0 (zero) |
Simple data type (element of an array of structures) |
structVariable.arrayMember[10] |
0 (zero) |
Simple data type (element of an array in a structure) |
arrayStructVariable[5].arrayMember[1] |
0 (zero) |
Simple data type (element of an array in an array of structures) |
arrayStructVariable[5].arrayMember |
2 (two) |
Array with two positions of simple data types (elements of an array of structures) |
(int, sint)structVariable |
2 (two) |
Structure with two members |
(word, int)structVariable |
3 (three) |
Error in Tag configuration |
(word, int[10])structVariable |
11 |
Structure with two members and one of them is an array |
(word, int[10])structVariable |
2 (two) |
Error in Tag configuration |