The following examples cover the main reasons for refusal that you are likely to encounter.
The MAST task is configured in cyclic mode.
This network cycle time is greater than the watchdog time.
The MAST or FAST task is configured in free periodic mode.
This network cycle time is greater than the watchdog time.
The MAST or FAST task is configured in controlled periodic mode.
This network cycle time is greater than the period.