System Variables - Siemens SINUMERIK 840D sl Function Manual

03.06
8.4

System variables

8.4.1 System variables for SINUMERIK 840Dsl
System variables
Table 8-10 Overview of system variables
System variables Meaning
Actual position
$VA_IS[axis] Safe act. po. for Safety Integrated
$AA_IM[axis] Ac. pos. of the closed-loop control
$VA_IM[axis] Encoder actual value in the ma-
chine coordinate system
Internal inputs/outputs
$A_INSI[n] NCK input
$A_INSID[n] NCK inputs
$A_INSIP[n] Image, PLC input
$A_INSIPD[n] Image of the PLC – SPL inputs
from the drive monitoring channel
$A_OUTSI[n] NCK output
$A_OUTSID[n] NCK outputs
$A_OUTSIP[n] Image, PLC output
$A_OUTSIPD[n] Image of the PLC – SPL outputs
from the drive monitoring channel
External inputs/outputs
$A_INSE[n] NCK input
$A_INSED[n] NCK inputs
$A_INSEP[n] Image of a PLC-SPL input from
the PLC HW I/O
$A_INSEPD[n] Image of the PLC – SPL inputs
from PLC HW I/O
$A_OUTSE[n] NCK output
$A_OUTSED[n] NCK outputs
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 03.2006 Edition
Range of val- Data
ues type
DOUBLE
DOUBLE
DOUBLE
n = 1, 2, ... 64 BOOL
stand for the
No. of the input
n = 1, 2 INT
n = 1,2, ...64 BOOL
n = 1, 2 INT
n = 1, 2, ... 64 BOOL
stand for the
No. of the out-
put
n = 1, 2 INT
n = 1, 2, ... 64 BOOL
n = 1, 2 INT
n = 1, 2, ... 64 BOOL
stands for the
No. of the input
1)
1)
n = 1,2 INT
n = 1, 2, ... 64 BOOL
stand for the
No. of the input
n = 1, 2 INT
n = 1, 2, ... 64 BOOL
stands for the
No. of the out-
1)
put
1)
n = 1,2 INT
Data Description
8.4 System variables
Possible access for
Part program Synchronized
action
l s l s
x x
x x
x x
x x
x x
x x
x x
x x x x
x x x x
x x
x x
x x
x x
x x
x x
x x x x
x x x x
8-329