Hello Ken,
I received the answer from PE team ,
" the inherited component TimerUnit_LDD where the SetPeriodTicks is disabled by the MQXLite component's template. The SetPeriodTicks method is not allowed when the TimerUnit_LDD component inherited by MQXLite (this functionality is not supported by the MQXLite component)."
When you new add the component "TimerUnit_LDD " , it can cofiugure the SetPeriodTicks ,

Have a great day,
Alice
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