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  • 1 year later...


I was curious too, but couldn't find any data. So far I've found that:

- SI280 is a read-only register. Writes to it are ignored.

- SI280 is incremented every 60 seconds while PLC is powered on.

- SI280 increments even while PLC is in Stop Mode.

I'm not sure the wording in the description is correct. "OS init" is when all memory registers are reset to 0, and I've had multiple Vision PLCs working 24/7 for many months without their memory getting reset.

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