Siemens SINUMERIK 828D

Examples
Note
The following examples build upon each other. The sequence of the examples is relevant in
order to understand the respective results.
Requirement/assumption:
DEF VAR_AC = (I/* 0="Off",1="On"/1/,"Switch"/WR2)
Adding an element -1="Undefined" to the end of the list:
LISTADDITEM("VAR_AC", -1, """Undefined""")
Result: 0="Off", 1="On", -1="Undefined"
Inserting an element 99="Maybe" at position 2:
LISTINSERTITEM("VAR_AC", 2, 99, """Maybe""")
Result: 0="Off", 1="On", 99="Maybe", -1="Undefined"
Determining the current number of list elements:
REG[10]=LISTCOUNT("VAR_AC")
Result: REG[10] = 4
Deleting the element at position 1:
LISTDELETEITEM("VAR_AC", 1)
Result: 0="Off", 99="Maybe", -1="Undefined"
Deletion of the complete list:
LISTCLEAR("VAR_AC")
Result: List is empty
Programming commands
6.3 Functions
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Programming Manual, 10/2015, 6FC5397-3DP40-5BA3 125