Phoenix Contact ILC 330 Series, User Manual, Page: 75 / 96

System variables and status information
6959_en_07 PHOENIX CONTACT
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4.1.7 IEC 61131 runtime system
There is a separate group of system variables for the IEC 61131 runtime system.
Table 4-6 System variables of the IEC 61131 runtime system
System variable Type Meaning
PLCMODE_ON BOOL PLC status ON: the runtime system on the Inline controller is ready
to operate.
PLCMODE_RUN BOOL PLC status RUN: the application program is running.
PLCMODE_STOP BOOL PLC status STOP: the application program is currently not running.
PLCMODE_HALT BOOL PLC status HALT: the application program was stopped at an
unspecified point.
PLCDEBUG_BPSET BOOL Breakpoint set: at least one breakpoint has been set in the
application program.
PLCDEBUG_FORCE BOOL Variable(s) forced: at least one variable is being continuously
overwritten (forced) by PROGRAM WORX.
PLCDEBUG_POWERFLOW BOOL Powerflow ON: in “Powerflow” mode, you can see which parts of
your application program are being processed. This bit indicates
whether “Powerflow” mode is active.
PLC_TICKS_PER_SEC INT System ticks per second: this variable shows how many pulses the
system clock of the Inline controller delivers per second.
PLC_SYS_TICK_CNT DINT Number of system ticks: this variable shows the total number of
pulses delivered by the system clock since the last startup.
PLC_TASK_AVAILABLE INT Number of available PLC tasks
PLC_TASK_DEFINED INT Number of tasks used
PLC_TASK_1 Record,
elements = 17
Information regarding task 1
: : :
PLC_TASK_16 Record,
elements = 17
Information regarding task 16