Siemens SINUMERIK 840D Operation/Programming

4
10.04 Programming with G Code
4.4
A
rithmetic variables
4
 Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition 4-327
4.4 Arithmetic variables
Arithmetic 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.
Finding R variables
Search
>
 Press the "Search" softkey.
 Enter the number of the variable you want to find.
 Press the "Accept" softkey.
The variable is displayed.
Editing R variables
 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.
Deleting R variables
 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 Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB