Lenze ETC Motion Control Instrukcja Użytkownika Pobierz pdf (Strona 395)

100

101

PLC programming

Library

Memory access functions

8.8

8.8.4

395

EDSTCXN EN 2.0

8.8.4.2 GET_BYTE, GET_WORD, GET_DWORD, GET_INT, GET_DINT, GET_REAL, GET_LREAL

FUNCTION GET_TYPE : BYTE

VAR_INPUT

pAddress : DINT; (* memory address *)

END_VAR

The functions GET_TYPE read the corresponding data type TYPE from the

address stated and carry out the required byte swapping (see also

DEFDATATYPES).

8.8.4.3 MEMCOMP

FUNCTION MEMCOMP: INT

VAR_INPUT

pMem1 : DINT; (* memory address *)

pMem2 : DINT; (* memory address *)

diSize : DINT; (* number of bytes *)

END_VAR

The memory areas Mem1 and Mem2 are compared in bytes.

Return value

0: if the content is identical

1: if the content of Mem1 > Mem2

−1: if the content of Mem1 < Mem2

8.8.4.4 MEMCOPY

FUNCTION MEMCOPY: BOOL

VAR_INPUT

ziel_p : DINT; (* memory address *)

daten.dat : DINT; (* memory address *)

anzahl_di : DINT; (* number of bytes *)

END_VAR

The anzahl_di bytes after memory address quelle_p are read and entered

after memory address ziel_p.

The return value of the function is of no consequence.

ret_bit : BOOL;

feld1_ab : ARRAY[0..10] OF BYTE;

feld2_ab : ARRAY[0..5] OF BYTE;

MEMCOPY(ADR(feld1_ab[4]), ADR(feld2_ab[2]), 4);

MEMCOPY(ADR(feld2_ab[0]), ADR(feld1_ab[2]), SIZEOF(feld2_ab));

Declaration

Description

Declaration

Description

Declaration

Description

Example

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ama 11 Jan 2025 | 19:35:39

rasha

Lenze ETC Motion Control Instrukcja Użytkownika Strona 395

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