Siemens sinumerik 840d Programming Manual page 24

Flexible NC Programming
1
1.1 Variables and arithmetic parameters
840D 840D
NCU 571 NCU 572
NCU 573
The name of a system variable is always identified
by the "$" character followed by the specific names.
Overview of system variable types
1st letter
$M
$S
$T
$P
$A
$V
2nd letter
N
C
A
Example: $AA_IM
Meaning: Current axis-specific value in the machine
coordinate system.
1-24
FM-NC 810D 840Di
Meaning
Machine data
Setting data
Tool management data
Programmed values
Current values
Service data
Meaning
NCK-global
Channel-specific
Axis-specific
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) − 04.00 Edition
04.00
1
 Siemens AG 2000. All rights reserved