Hello, I need to use a physical digital output to trigger a physical buzzer/horn when a new alarm is active (i.e. when the alarm line flashes red). Is there a system wide variable that does this? I don’t want to create a mega OR block for all the outputs of the alarm blocks. I have a feeling there …

You can access this variable via the block AprFuAlarmSignal (library APROL). Description of the block: The GLOBAL_ALARM_SIGNAL system variable can be made available to a logic for further processing with this function block. The variable GLOBAL_ALARM_SIGNAL is always 1 if one or more unacknowledge…

Hello, according to B&R Online Help there is a global variable “GLOBAL_ALARM_SIGNAL” which is set to “1” by the AlarmServer when an alarm occurs. Could this be the one you are looking for?

Hello, thanks for a quick response - yes, I am looking for such variable, but I can’t reach it. I search it within All variables by a name wildcard GLOBAL, no result. Please see my screenshot. Or Aprol 4.2 does not have it at all? I doubt that, because online help suggests „no longer using the var…

Aprol 4 how to recognize if AlarmServer indicates an active alarm

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Lubos_Hemelik (Lubos Hemelik) October 22, 2024, 3:11pm 5

This really made my day, thanks !

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Aprol 4 how to recognize if AlarmServer indicates an active alarm

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