Lenze E94AxPExxxx - Manual (Page 46)

4 PLC functionality
4.2 Preparations for creating a PLC program
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Lenze · 9400 Servo PLC· Reference manual · DMS 4.0 EN · 11/2013 · TD05/06
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List of the system events
• Execution of a maximum of 1,000 instructions as a result of a system event is permissible.
• POUs (= program organisation unit) which are called by system events are not monitored
according to runtimes by a "watchdog" compared to tasks.
4.2.5 Inserting more user POUs
Four POUs have already been created in the POUs
 Standard project "PLC_Application.pro" ( 40) .
In order to insert more POUs, please select the menu command ProjectObjectInsert.
The New POU opens where you can define the type, name and language you want to use to program
the POU:
System event The called POU starts, ...
PLC_AfterReset after the PLC has been reset.
PLC_BeforeReset before the PLC is reset.
PLC_DebugLoop Not supported
PLC_FQSPState when quick stop by trouble has been activated.
PLC_MessageState when a message has been activated.
PLC_OnboardCANError when a system bus error occurs (e.g. Bus-Off).
PLC_Start when the PLC is started.
PLC_Stop when the PLC is stopped.
PLC_TaskOverrun when a task has overflown.
PLC_TripState when trouble has been activated.
PLC_WarningState when a warning has been activated.