Reference PhotoEye Groups by Case in Event Triggered Source

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bmensah asked 9 days ago bmensah edited 6 days ago

Reference PhotoEye Groups by Case in Event Triggered Source

I am getting the following error when trying to use the "Objects by Case" option to select which group to listen to in an event-triggered source activity.

exception: Error: Invalid triggering event, event rank 1, at wait for event activity "Source" in process flow "ProcessFlow"

Both groups contain only photoeye objects and I want to listen to the "On Cover" event for the photoeyes. I am able to select a group of photoeyes and the "On Cover" event when creating an event-triggered source for just one group, but it does not work when attempting to use the Object by Case option. It seems that the Object by Case option only allows you to select specific objects, not object groups.

Is there a way to use Object by Case with object groups so that I can select which group of photoeyes to listen to in the event-triggered source based on a parameter value?

ObjectByCaseWithPEGroups.fsm

Software Version:

FlexSim 25.1.0

event-triggered source values by case object group

objectbycasewithpegroups.fsm (40.6 KiB)

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Answer 1 · 2025-04-07T07:42:26Z

Felix Möhlmann answered 6 days ago bmensah edited 6 days ago

The only way I could make this work with a single source and event is to set the value of the Source's objRef node directly in the OnSet code of the parameter.

objectbycasewithpegroups_1.fsm

Other workarounds would be to create one source per group and only ever have one active at a time (deactivate the others in the OnSet code).

Or always listen to all PhotoEyes and then filter out tokens whose triggering PhotoEye is not in the correct group.

objectbycasewithpegroups-1.fsm (43.8 KiB)

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