Timers And Workpiece Counters; Runtime Timer - Siemens SINUMERIK 802D sl Programming And Operating Manual

10.12

Timers and workpiece counters

10.12.1

Runtime timer

Functionality
The timers are prepared as system variables ($A...) that can be used for monitoring the
technological processes in the program or only in the display.
These timers are read-only. There are timers that are always active. Others can be
deactivated via machine data.
Timers - always active
● $AN_SETUP_TIME
● $AN_POWERON_TIME
Timers that can be deactivated
The following timers are activated via machine data (default setting).
The start is timer-specific. Each active run-time measurement is automatically interrupted in
the stopped program state or for feedrate-override-zero.
The behavior of the activated timers for active dry run feedrate and program testing can be
specified using machine data.
● $AC_OPERATING_TIME
● $AC_CYCLE_TIME
Surface grinding
Programming and Operating Manual, 11/2012, 6FC5398-5CP10-3BA0
Time since the last control powerup with default values (in minutes)
It is automatically reset in the case of a "Control power-up with default values".
Time since the last control powerup (in minutes)
It is reset to zero automatically with each power-up of the control system.
Total execution time in seconds of NC programs in the automatic mode
In the AUTOMATIC mode, the runtimes of all programs between NC START and end of
program / RESET are summed up. The timer is zeroed with each power-up of the control
system.
Runtime of the selected NC program (in seconds)
The runtime between NC Start and End of program / Reset is measured in the selected
NC program. The timer is reset with the start of a new NC program.
10.12 Timers and workpiece counters
Programming
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