01What actually fails
On consumer Pis: SD-card wear, brown-outs, thermal throttling and EMC susceptibility. Industrial boards engineer each of those out — soldered eMMC, watchdogs, wide-temp parts, isolation and surge protection. The failure modes that earned Pis a hobby reputation are the ones industrial design removes.
02Where the PLC still leads
Twenty-year availability guarantees, extreme EMC and vibration tolerance, and a decades-deep field track record. If your environment is brutal or your availability horizon is very long, that history is worth paying for.
Common questions
The ones we're asked on every first call.
Replacing the SD card with industrial eMMC and running a read-only root filesystem. That removes the most common cause of consumer-Pi failure in the field.
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