Lenze PLC Designer PLC Designer (R2-x) - Manual (Page 484)

L-force | PLC Designer
IEC Operators and additional norm extending functions
482 DMS 3.2 EN 02/2011 TD29

Example in FBD:
9.7 Address Operators...
9.7.1 ADR
PLC Designer operator: Address Function not prescribed by the standard IEC61131-3.
ADR returns the address of its argument 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.
dwVar:=ADR(bVAR);
Example in IL:
LD bVar
ADR
ST dwVar
man_fun1
Note!
After an Online Change there might be changes concerning the data on certain
addresses. Please regard this in case of using pointers on addresses.