Siemens S200 PLC stores local variables (L)

       Local variable storage variable storage is very similar, the main difference is that the local variable storage is partially valid, variable storage is global. Global refers to the same memory can be any program (such as the main program, interrupted procedures or subroutines) access, partially valid is stored and associated with specific programs. Local variable memory used as a temporary data storage transfer function or subroutine. Can be bit, byte, Word or double word to access the data stored in the local variable.


L[bytes address].       [Address]     L0. 5

Byte, Word or double word:][L[length a starting byte address] LB34      LW20       LD4