TIA V13, PLC alarms, generate and ackowledged an alarm

Hello,

I have an issue of no alarm message/description being displayed on HMI Alarm View for an acknowledged alarm. My application uses PLC alarms instead of HMI alarms and is developed using Simatic TIA Portal v13 SP1.

To generate and ackowledged an alarm, the following instruction (in SCL language) is used:

#T_nRetVal      := ALARM_DQ(SIG     :=  #Alarm_Status,

                                ID      := W#16#EEEE,

                                EV_ID   := #Event_ID,

                                CMP_ID  := W#16#0001,

                                SD      := #Tag_Index);

#T_nRetVal      := ALARM_SC(EV_ID   := #Event_ID,

                            STATE   => #Ret_Val_State,

                            Q_STATE => #Ret_Val_Q_State);

For triggered alarms, I can get the relevant alarm message on HMI Alarm View for incoming or outgoing alarms, but no alarm message is displayed for acknowledged alarms.

Instead of re-creating all alarms as HMI alarms, I would like to know whether there are some ways to resolve this issue or perhaps other PLC instruction(s) or different way to program it. Any suggestion is highly appreciated.

Thanks.

Sony

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Split from Tia portal basic v13 to tia portal professional v13.