Siemens SINUMERIK 840D sl Commissioning Manual

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6.3.11 File accesses: RDFILE, WRFILE, RDLINEFILE, WRLINEFILE
Description
The RDFILE and WRFILE functions are available for read and write access to files with INI
syntax.
The RDLINEFILE and WRLINEFILE functions are available for read and write access to
individual lines of a file.
Programming
Syntax: RDFILE( "File name + path", "Section", "Key" )
Description: Reading from a file
Parameter: File name + path Path and file name
Section Section in the INI file
Key Key in the INI file
Syntax: WRFILE (Value, "File name + path", "Section", "Key")
Description: Writing to a file
Parameter: Value Value to be written
File name + path Path and file name
Section Section in the INI file
Key Key in the INI file
Syntax: RDLINEFILE ("File name + path", Line number)
Description: Reading a line from a file
Parameter: File name + path Path and file name
Line number Line number
Numbering begins at 0 for the
first line.
Syntax: WRLINEFILE (Value, "File name + path")
Description: Writing of a line at the end of a file
Programming commands
6.3 Functions
SINUMERIK Integrate Run MyScreens (BE2)
148 Programming Manual, 12/2017, 6FC5397-1DP40-6BA1

Siemens SINUMERIK 840D sl Specifications

General

Control Type	CNC
Number of Axes	Up to 31
Max Number of Channels	10
Interfaces	Ethernet, PROFIBUS, PROFINET, USB
Interpolation	5-axis interpolation
Operating Temperature	0°C to 45°C
Relative Humidity	Up to 95% (non-condensing)
Display	TFT color display, various sizes
Programming Languages	DIN/ISO
Safety Features	Safety Integrated
PLC	Integrated PLC S7-300
Drive Interface	SINAMICS S120
Data Storage	CF card, USB
Operating System	Windows-based