Lenze PLC Designer PLC Designer (R2-x) Manuel d'utilisateur télécharger pdf (Page 485)

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L-force | PLC Designer

IEC Operators and additional norm extending functions

 DMS 3.2 EN 02/2011 TD29 483

9.7.2 ADRINST

PLC Designer operator: Address Function not prescribed by the standard IEC61131-3.

ADRINST can be used within a function block instance to return the address of this

instance in a DWORD. This address can be sent to manufacturing functions to be

treated as a pointer or it can be assigned to a pointer within the project.

Examples in ST (within a function block instance):

dvar:=ADRINST(); (* Address of the instance is written to

variable dvar *)

fun(a:=ADRINST()); (* The instance address is given to input

parameter a of function fun *)

Examples in IL:

ADRINST

ST dvar

ADRINST

fun

9.7.3 BITADR

PLC Designer operator: Adress function, not prescribed by the standard IEC61131-3.

BITADR returns the bit offset within the segment in a DWORD. Regard that the offset

value depends on whether the option byte addressing in the target settings is

activated or not.

VAR

var1 AT %IX2.3:BOOL;

bitoffset: DWORD;

END_VAR

Example in ST:

bitoffset:=BITADR(var1); (* Result if byte addressing=TRUE:

19, if byte addressing=FALSE: 35 *)

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Lenze PLC Designer PLC Designer (R2-x) Manuel d'utilisateur Page 485

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