Axial Measurement; Offsets - Siemens sinumerik 840d Programming Manual

04.00
15
15.2.41

Axial measurement

Identifier Type
$AA_MM1 REAL
$AA_MM2 REAL
$AA_MM3 REAL
REAL
$AA_MM4
BOOL
$AA_MEAACT
15.2.42

Offsets

$AC_DRF REAL
$AC_PRESET REAL
$AA_ETRANS REAL
REAL
$AA_OFF
$AA_OFF_LIMIT INT
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SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
Description: System variable/value range/index
$AA_MM1[X]
Measurement result of axial measurement
Trigger event 1 in MCS
Axes: Channel axis
$AA_MM2[X]
Measurement result of axial measurement
Trigger event 2 in MCS
Axes: Channel axis
$AA_MM3[X]
Measurement result of axial measurement
Trigger event 3 in MCS
Axes: Channel axis
$AA_MM4[X]
Measurement result of axial measurement
Trigger event 4 in MCS
Axes: Channel axis
$AA_MEAACT[X]
Value is TRUE if axial measurement is active for X
Axes: Geometry axis, channel axis, machine axis
$AC_DRF[X]
DRF offset
Axes: Channel axis
$AC_PRESET[X]
Preset value last specified
Axes: Channel axis
$AA_ETRANS[X]
External zero offset
Axes: Channel axis
$AA_OFF[X]
Overlaid motion for programmed axis
This variable can only be accessed from synchronized actions
Axes: Channel axis
$AA_OFF_LIMIT[axis]
Limit value for axial offset $AA_OFF[axis]
0: Limit value not reached
1: Limit value reached in positive axis direction
–1: Limit value reached in negative axis direction
Axes: Channel axis
15.2 List of system variables
Part pro
R
R
R
R
RS
RS
R
RS
RS
Tables
15
Sync O S
W R W 4
S
W R W 4
S
W R W 4
S
W R W 4
S
R 4
R 2
R 2
W 2
W R W 3
R 4
15-561