15
Tables 04.00
15.2 List of s
stem variables
15
ï›™
Siemens AG 2000. All rights reserved
15-558
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
15.2.36 Channel statuses
Identifier Type Description: System variable/value range/index Part pro Sync O S
$AC_ALARM_ST
AT
INT $AC_ALARM_STAT
(Selected) alarm reactions for synchronized actions (SYNFCT)
RS R 5
$AN_ESR_TRIGG
ER
BOOL $AN_ESR_TRIGGER = 1
Trigger "Extended stop and retract"
RW 5
$AC_OPERATING
_TIME
REAL IF $AC_OPERATING_TIME < 12000 GOTOB STARTMARK
Total runtime of NC programs in Automatic mode
(in seconds)
RS R 5
.
2
$AC_CYCLE_TIM
E
REAL IF $AC_CYCLE_TIME > 2400 GOTOF ALARM01
Runtime of selected NC program
(in seconds)
RS R 5
.
2
$AC_CUTTING_TI
ME
REAL IF $AC_CUTTING_TIME > 6000 GOTOF ACT_M06
Tool operation time
(in seconds)
RS R 5
.
2
$AC_REQUIRED_
PARTS
REAL $AC_REQUIRED_PARTS = ACTUAL_LOS
Definition of number of workpieces required,
e.g. for definition of a batch size, daily production target, etc.
RS W
S
RW 5
.
2
$AC_TOTAL_PAR
TS
REAL IF $AC_TOTAL_PARTS > SERVICE_COUNT GOTOF MARK_END
Total number of workpieces produced (total)
RS W
S
RW 5
.
2
$AC_ACTUAL_PA
RTS
REAL IF $AC_ACTUAL_PARTS == 0 GOTOF NEW_RUN
Actual number of parts produced
For $AC_ACTUAL_PARTS == $AC_REQUIRED_PARTS,
$AC_ACTUAL_PARTS = 0 automatically.
RS W
S
RW 5
.
2
$AC_SPECIAL_P
ARTS
REAL $AC_SPECIAL_PARTS = R20
Number of workpieces counted according to a user strategy.
Without internal impact.
RS W
S
RW 5
.
2
15.2.37 Positions
$P_EP
REAL $P_EP[X]
Setpoint last programmed
Axes: Channel axis
R2
$P_APR
REAL $P_APR[X]
Position of axis in the workpiece coordinate system at the start of the
approach motion for soft approach to the contour.
Axes: Channel axis
R4
$P_AEP
REAL $P_AEP[X]
Approach point: first contour point in the workpiece coordinate
system for soft approach to contour
Axes: Channel axis
R4
$AA_IW
REAL $AA_IW[X]
Actual value in workpiece coordinate system (WCS)
Axes: Channel axis
RS R 2