Timers For Program Execution Time - Siemens SINUMERIK 808D Function Manual

PLC user program
The PLC user program must itself influence the required behavior of the control system in simulation, for example:
● Stop axes/spindle by transition into the program test: set IS "Activate program test" (DB3200.DBX0001.7).
● Abort the running program if the following menu is exited by setting IS "Reset" (DB3000.DBX0000.7), etc.
Display machine data
A number of display machine data (MD283 to MD292) is available for the user-specific configuration of the graphic
simulation.
Reference:
SINUMERIK 808D/SINUMERIK 808D ADVANCED Parameter Manual
10.5

Timers for program execution time

Function
Timers are provided under the "Program execution time" function and these can be used for monitoring 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
● Time since the last "Control powerup with default values" (in minutes):
$AN_SETUP_TIME
The timer is automatically reset to zero in the case of "Control power-up with default values".
● Time since the last control powerup (in minutes):
$AN_POWERON_TIME
It is reset to zero automatically with each power-up of the control system.
Timers that can be deactivated
The following timers are activated via the 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.
● Total execution time in seconds of NC programs in "AUTO" mode (in seconds):
$AC_OPERATING_TIME
In "AUTO" 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):
$AC_CYCLE_TIME
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.
● Tool action time (in seconds):
$AC_CUTTING_TIME
The runtime of the path axes is measured in all NC programs between NC START and end of program / RESET without
rapid traverse active and with the tool active. The measurement is interrupted when a dwell time is active. The timer is
automatically reset to zero in the case of a "Control power-up with default values".
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Function Manual
01/2017