Unlike some safety PLCs on the market, ABB's AC500-S Safety PLC has a separate safety processor.
The Safety CPU can be configured to work even if the non-safety processor is in STOP or maintenance mode, or during an online change. (Source: ABB)
That's a good question Evanskollmorgen, especially since it's logical that customers will default to their PLC provider. Then it becomes a matter of trusting your PLC provider. But what are the alternatives?
Nice article, Al. Boy, it's surprising how much safety has changed in recent years. It wasn't very long ago that the idea of running safety and control on the same cable was considered a crackpot idea. Now you'd have to be a crackpot not to do it.
On Memorial Day, Americans remember the sacrifices the US armed forces have made, and continue to make, in service to the country. All of us should also consider the developments in technological capabilities and equipment over the years that contribute to the success of our military operations.
In order to keep in line with safety protocols, industrial networks need to be filtered in a semantic way so that only information related to diagnostics is flowing back to the vendor and that any communications that could be used for remote machine operations are suppressed.
Advanced visualization can depict an entire plant in motion, while also detailing an individual workstation. Individual products can be rendered different for each discipline involved — marketing, engineering, or suppliers.
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