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Showing results for tags 'alarm'.
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Hi, Admin I met a strange thing about DF alarms today. While I started program, there were some active alarms, but actually there was no alarm (no alarm data from outside via communication). I checked the data, these alarm happened in last year. I tried to restart the program many times, but these alarms were always active. Why? And how to clean these? I use 5.87a Thanks
I send a group of alarm bits to DAQConnect in a word, then decode the individual bits to recover specific alarm conditions. That part is working fine. I have them configured to automatically reset. When an alarm occurs for an extended period of time, it appears that DAQConnect fires, resets, then fires again, creating a series of new alarms. It repeats this on essentially the same timing as the data updates (fire on one, reset on the next, etc.). I would have expected the alarm to remain fired until an update had that bit clear, then reset, creating one alarm. I suspect that requiring manual reset might solve this, but I would prefer to reset automatically. Any suggestions on how to change this?