Siemens SINUMERIK 840D sl Function Manual

Detailed description
2.14 Programming tips with STEP 7
Basic logic functions: PLC Basic program powerline (P3 pl)
276 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Example in FC, if POINTER or ANY are present as parameters
FUNCTION FC 99: VOID Comment
VAR_INPUT
Row : BYTE ;
Convert : BOOL ; //Activate numerical conversion
Addr: POINTER; //Points to variable
Addr1 : ANY ;
END_VAR
VAR_TEMP
dbchr : WORD ;
Number: WORD ;
type : BYTE ;
END_VAR
BEGIN
NETWORK
TITLE =
//POINTER
L P##Addr;
LAR1 ; //Retrieve pointer
L W [AR1,P#0.0]; //Retrieve DB number
T #dbchr;
L D [AR1,P#2.0]; //Offset part of pointer
LAR1 ;
AUF DB [#dbchr];
//Open DB of variables
L B [AR1,P#40.0];
//Retrieve byte value using pointer with
//address offset 40
//ANY
L P##Addr1;
LAR1 ; //Retrieve ANY
L B [AR1,P#1.0]; //Retrieve type
T #typ;
L W [AR1,P#2.0]; //Retrieve amount
T #Amount;
L W [AR1,P#4.0]; //Retrieve DB number
T #dbchr;
L D [AR1,P#6.0]; //Offset part of pointer
LAR1 ;
OPEN DB [#dbchr]; //Open DB of variables
L B [AR1,P#0.0]; //Retrieve byte value using ANY

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