I've started seeing PI show up on the DIN rails in some industrial equipment, usually HID related. PLCs are built to safety critical standards, a PI with some e

I've started seeing PI show up on the DIN rails in some industrial equipment, usually HID related. PLCs are built to safety critical standards, a PI with some error might go executing code off into never-never land, where a PLC will fail to a known output state. Obvious oversimplification. https://en.wikipedia.org/wiki/Safety_integrity_level https://en.wikipedia.org/wiki/Safety_integrity_level