3.3 Parameter description
3.3.1 Runtime and error monitoring
The ru-parameters serve for monitoring of the program ow.
ru.00 Status Address 0200h
Program status no prog no program loaded
prog OK program loaded
prog corrupt program checksum error
Control status run Program runs
Stop Program stopped
breakpoint Program is on break point
Error status err_cyctime The adjusted cycle time was exceeded
err_watchdog The length of the last PLC cycle exceeded the
maximum value, the PLC program was stopped.
ru.01 cycle time Address 0201h
This parameter indicates the cycle time adjusted by the PLC program in milliseconds.
This value is also used for the cycle time monitoring, a value of 0 ms means a free-run-
ning PLC program without cycle time monitoring.
ru.02 axis mode Address 0202h
The parameter indicates the axis conguration adjusted by the PLC program. There is a
differentiation between normal- and synchronous/cyclic operation.
ru.03 axis errors Address 0203h
The parameter indicates the axes which did not respond. This can have been released by
interruption of the cable to the axis or by switching off the axis. The value 0 means that all
monitored axes are connected correctly.
ru.04 min. process time Address 0204h
ru.05 max. process time Address 0205h
ru.06 response time Address 0206h
ru.07 process time Address 0207h
ru.08 idle time Address 0208h
The cycle time of a PLC program ow is composed of:
response time Time of recognizing the new program cycle up to the call of the PLC
program
process time Time, when the PLC program as well as all accesses by CoDeSys
and COMBIVIS are processed.
idle time Remaining time up to the next program cycle.
Parameter ru.04 / ru.05 displays the minimum/maximum process time and can be reset
by writing of any value.
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