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Alarm limitation in Vision PLC's

Tony Spearing

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I was recently surprised to discover that you can only define 128 alarms in a V1210 PLC, which I think is somewhat light considering how many IO you can attach and control.

I see from other forum entries that we can use events and build our own alarms but then you have two systems on one PLC.

The use of alarms in the UK has risen rapidly over the years as we try not to rely on the programming software to diagnose a problem. It would be really useful if some way could be found to increase the total number available in a future software release.

Here's hoping.


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