logSaveToFile (Function)

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Architecture:

NX32L

Device support:

ALL

Firmware version:

1.50.00


logSaveToFile saves an open Datalogger to a file on the file system.

Only file- and memory-based Dataloggers are supported.

 

Input:

filename : STRING

The path to the file to save the datalogger to.

 

handle : SYSHANDLE

A handle to the datalogger to save.

 

Returns: INT

0

- Successful.

1

- Failed to create file.

4

- Log is not initialized.

6

- Failed to read from the log.

7

- The log could not be found. This function is only supported on file- and memory-based Dataloggers.

8

- The drive is not writable.

9

- Invalid drive.

10

- Failed to write to the file.

 

 

Declaration:

FUNCTION logSaveToFile : INT;
VAR_INPUT
  filename   : STRING;
  handle     : SYSHANDLE;
END_VAR;

 

 

Example:

INCLUDE rtcu.inc
 
PROGRAM test;
VAR
  handle:SYSHANDLE;
END_VAR;
BEGIN
  ...
  // Save log to a file on the SD Card
  logSaveToFile(handle:=handle, filename:="A:\LOG.BIN");
  ...
END;
 
END_PROGRAM;