Siemens SINUMERIK 840D sl Operation/Programming

7
G Code Program 08/2005
7.4 Calculation
p
arameters
7
♥ Siemens AG, 2005. All rights reserved
7-352 SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition
7.4 Calculation parameters
A
rithmetic variables (R variables) are variables that you can use within
a G code program.
G code programs can read and write the variables. You can assign a
value in the R variable list to variables that can be read.
Input and deletion of variables can be disabled via the keyswitch.
Displaying R variables
-or-
 Press the "Tools WOs" softkey or the "Offset" key.
 Press the "R vari." softkey.
The R variable list is opened.
Search for R-parameter
Search
 Press the "Search" softkey.
 Enter the number of the variable you want to find.
 Press the "Accept" softkey.
The variable is displayed.
Change R-parameter
 Place the cursor on the input field of the variable that you want to
change.
 Enter the new value.
The new value of the variables is applied immediately.
Delete R-parameter
 Place the cursor on the input field of the variable whose value you
want to delete.
 Press the "Backspace" key.
The value of the variable is deleted.


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