Siemens SINUMERIK 840D sl Programming Manual page 792

Additional functions
14.8 Program runtime/part counter
system variables
Channel-specific
$AC_OPERATING_TIME
$AC_CYCLE_TIME
$AC_CUTTING_TIME
$AC_ACT_PROG_NET_TIME
$AC_OLD_PROG_NET_TIME
$AC_OLD_PROG_NET_TIME_COUNT
792
Significance
Total runtime of NC programs in automatic mode in
seconds.
The value is automatically reset to "0" every time the
control powers up.
Runtime of the selected NC program in seconds.
The value is automatically reset to "0" every time a
new NC program starts up.
MD27860 can be set to ensure that this value will be
deleted even if there is a jump to the beginning of the
program with GOTOS or in the event of ASUBs and
PROG_EVENTs starting.
Processing time in seconds
The runtime of the path axes (at least one is active) is
measured in all NC programs between NC start and
end of program/NC reset without rapid traverse
active. The measurement is interrupted when a dwell
time is active.
The value is automatically reset to "0" every time the
control powers up with default values.
Actual net runtime of the current NC program in
seconds.
Is automatically reset to "0" when a new NC program
starts.
Net runtime in seconds of the program that has just
be correctly ended with M30
Changes to $AC_OLD_PROG_NET_TIME
After POWER ON,
$AC_OLD_PROG_NET_TIME_COUNT is at "0".
$AC_OLD_PROG_NET_TIME_COUNT is always
increased if the control has newly written to
$AC_OLD_PROG_NET_TIME.
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
Activity
Activated via
•
MD27860
Only AUTOMATIC
•
mode
Always active
•
Only AUTOMATIC
•
mode
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