Encoder Values - Siemens sinumerik 840d Programming Manual

Tables
15
15.2 List of system variables
15.2.40

Encoder values

Identifier Type
$VA_IM REAL
$VA_IM1 REAL
$VA_IM2 REAL
REAL
$AA_MW
REAL
$AA_MM
$AA_MW1 REAL
$AA_MW2 REAL
$AA_MW3 REAL
REAL
$AA_MW4
15-560
Description: System variable/value range/index
$VA_IM[X]
Encoder actual value in machine coordinate system
(measured active measuring system), actual value compensations
are corrected
(leadscrew error compensation, backlash compensation,
quadrant error compensation)
Axes: Machine axis
$VA_IM1[X]
Actual value in machine coordinate system (measured on encoder 1),
compensations corrected
Axes: Machine axis
$VA_IM2[X]
Actual value in machine coordinate system (measured on encoder 2),
compensations corrected
Axes: Machine axis
$AA_MW[X]
Measured value in workpiece coordinate system
Axes: Channel axis
$AA_MW[X]
Measured value in machine coordinate system
Axes: Machine axis
$AA_MW1[X]
Measurement result of axial measurement
Trigger event 1 in WCS
Axes: Channel axis
$AA_MW2[X]
Measurement result of axial measurement
Trigger event 2 in WCS
Axes: Channel axis
$AA_MW3[X]
Measurement result of axial measurement
Trigger event 3 in WCS
Axes: Channel axis
$AA_MW4[X]
Measurement result of axial measurement
Trigger event 4 in WCS
Axes: Channel axis
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
04.00
15
Part pro Sync O S
RS R 4
RS R 4
RS R 4
R W R W 2
S
R W R W 2
S
R W R W 4
S
R W R W 4
S
R W R W 4
S
R W R W 4
S
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