Lenze DDS Function library Drive Manuel d'utilisateur télécharger pdf (Page 79)

Function library LenzeDrive.lib

Special functions

2.7.2 Fault trigger (L_FWM)

2−69

LenzeDrive.lib EN 1.7

Fig. 2−68 Configuration for triggering the various fault types

Note!

Each FB instance may only be called once! If you need the FB L_FWM several times, create the

corresponding number of FB instances.

 If the program includes several instances of the FB L_FWM which are of the same fault type,

then only the first fault of this fault type that is detected will be recorded.

 If several faults with a different response occur at the same time, only the fault whose

response has the highest priority will be recorded in the history buffer:

– TRIP (highest priority)  message  FAIL−QSP  warning (lowest priority).

 Only edit L_FWM() in a task.

 If byTypeOfFault has an invalid value, then the value 0 (TRIP) is used for byTypeOfFault.

 If the value of wFaultNumber < 400, then the value 400 is used for wFaultNumber, if

wFaultNumber > 999, then the value 999 is used for wFaultNumber.

 If a fault occurs, it can be read out by using the system variable DCTRL_wFaultNumber.

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Lenze DDS Function library Drive Manuel d'utilisateur Page 79