Detailed Description
2.12 Program runtime/workpiece counter
Mode Group, Channel, Program Operation, Reset Response (K1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-159
NC-specific system variables
The following NC-specific system variables are available:
Names Meaning Description
$AN_SETUP_TIME Time since the last control powerup
with default values ("Cold start" in min.)
Counts the time since the last control powerup
with default values.
It is automatically reset to the default values each
time the control is powered up.
$AN_POWERON_TIME Time since the last normal control
powerup ("Warm start" in min.)
Counts the time since the last normal control
powerup.
It is automatically reset to the default values on
each normal control powerup.
The timers of the system variables are always active.
All system variables are reset to default values on each control power-up.
Channelspecific system variables
The following channel-specific system variables are available
Several channel-specific system variables are available and can be activated via machine
data. Each active runtime measurement is interrupted automatically by a program status
"Program running" and an active override = ZERO.
Dry run feedrate and program testing
The behavior of the active time measurements during the functions: "Dry run feedrate" and
"Program testing" can be specified via machine data.
The following channel-specific system variables are available:
Names Meaning Description
$AC_OPERATING_TIME Total runtime of NC programs in
Automatic mode (in s)
Totals the accumulated runtimes of all programs
between NC Start and end of program/NC reset.
It is automatically reset each time the control is
powered up.
$AC_CYCLE_TIME Runtime of the selected NC program
(in s; always only one active per
channel)
The runtime between the NC Start and the end of
program/NC reset is measured in the selected NC
program.
It is reset automatically when a new NC program
is started.
$AC_CUTTING_TIME Tool operating time (in s) The measurement produces the runtime of the
path axes (at least one is active) without active
rapid traverse in all NC programs between NC
Start and program end/NC reset with active tool.
The measurement is also interrupted when a
dwell time is active.
It is automatically reset to the default values each
time the control is powered up.
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