15
04.00 Tables
15.2 List of s
stem variables
15
ï›™
Siemens AG 2000. All rights reserved
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
15-559
Identifier Type Description: System variable/value range/index Part pro Sync O S
$AA_IEN
REAL $AA_IEN[X]
Actual value in the settable origin system (SOS).
Axes: Channel axis
RS R 5
$AA_IBN
REAL $AA_IBN[X]
Actual value in the basic origin system (BOS).
Axes: Channel axis
RS R 5
$AA_IB
REAL $AA_IB[X]
Actual value in basic coordinate system (BCS)
Axes: Channel axis
RS R 2
$AA_IM
REAL $AA_IM[X]
Actual value in machine coordinate system (MCS).
Axes: GEOAX, channel axis, machine axis
RS R 2
15.2.38 Indexing axes
$AA_ACT_INDEX
_AX_POS_NO
INT $AA_ACT_INDEX_AX_POS_NO[X]
0: No indexing axis, therefore no indexing position available.
> 0: Number of indexing position last reached or crossed
Axes: Geometry axis, channel axis, machine axis
RS R 5
$AA_PROG_INDE
X_AX_POS_NO
INT $AA_PROG_INDEX_AX_POS_NO[X]
0: Not an indexing axis, therefore no indexing position available or
the indexing axis is not currently approaching an indexing position
> 0: Number of programmed indexing position
Axes: Geometry axis, channel axis, machine axis
RS R 5
15.2.39 Encoder limit frequency
$AA_ENC_ACTIV
E
BOOL $AA_ENC_ACTIVE[X]
Active measuring system is operating below encoder limit frequency
Axes: Geometry axis, channel axis, machine axis
RS R 4
$AA_ENC1_ACTI
VE
BOOL $AA_ENC1_ACTIVE[X]
Encoder 1 is operating below encoder limit frequency
Axes: Geometry axis, channel axis, machine axis
RS R 4
$AA_ENC2_ACTI
VE
BOOL $AA_ENC2_ACTIVE[X]
Encoder 2 is operating below encoder limit frequency
Axes: Geometry axis, channel axis, machine axis
RS R 4