Siemens SINUMERIK 840D sl Function Manual page 505

System variable
$AA_IM[axis] Actual MCS setpoint of an axis
$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
Safety Integrated
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
Meaning
Axis identifier
GEOAX
CHANAX
MACHAX
SPINDLE
Axis identifier
GEOAX
CHANAX
MACHAX
SPINDLE
n = 1, 2, ... 192
stands for the
number of the in‐
put
n = 1, 2, ...6
stands for the
number of the
double word (32
bit)
n = 1, 2, ...192
stands for the
number of input
n = 1, 2, ...6
stands for the
number of the
double word (32
bit)
n = 1, 2, ... 192
stands for the
number of the
output
n = 1, 2, ... 192
stands for the
number of the
output
n = 1, 2, ... 192
n = 1, 2, ...6
n = 1, 2, ... 192
stands for the
number of the in‐
put
Value range Data type
DOUBLE
DOUBLE
BOOL
1)
INT
1)
1)
BOOL
1)
1)
INT
1)
BOOL
1)
INT
1)
BOOL
1)
INT
1)
BOOL
1)
Data descriptions
9.7 System variable
Possible access for
Part Synchronized
program action
r w r w
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
505