Lenze ETC Motion Control Bedienungsanleitung PDF herunterladen (Seite 383)

100

101

PLC programming

Library

FILE IO functions

8.8

8.8.3

383

EDSTCXN EN 2.0

8.8.3 FILE IO functions

8.8.3.1 LOAD

FUNCTION LOAD: DINT

VAR_INPUT

Name : STRING(15); (* ’device:file name’ *)

daten_paten_p : DINT; (* Address after which the data should be stored *)

len : INT; (* Length of the data in bytes *)

END_VAR

This function is used to read data from a device (¶ 390).

From the file name len bytes will be read from the defined device and stored

after the the memory address daten_p. Without device definition it will be

attempted to read the file from the FLASHPROM.

A return value smaller than 0 signals an error (¶ 391).

werte_adi : ARRAY[0..5] OF DINT;

anzahl_di : DINT;

anzahl_di := LOAD(’RD:daten.dat’, ADR(werte_adi), 24);

Six DINT values from the file "daten.dat" are read from the RAM disc and

stored in the Array werte_di .

8.8.3.2 SAVE

FUNCTION SAVE: DINT

VAR_INPUT

Name : STRING(15); (* ’device:file name’ *)

daten_p : DINT; (* Address after which the data should be stored *)

len : INT; (* Length of the data in bytes *)

END_VAR

This function can be used to save data on a device (¶ 390).

Under name len bytes are stored after memory address daten_p on the

stated device. Without device definition the file will be written to the

FLASHPROM.

A return value of less than 0 indicates an error while saving (¶ 391).

werte_adi : ARRAY[0..5] OF DINT;

anzahl_di : DINT;

anzahl_di := SAVE(’RD:daten.dat’, ADR(werte_adi), 24);

Six DINT values from the array werte_di are saved in the file " daten.dat" on

the RAM disk.

Declaration

Description

Example

Declaration

Description

Example

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ama 11 Jan 2025 | 19:35:39

rasha

Lenze ETC Motion Control Bedienungsanleitung Seite 383

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