Automation & Control
Safety PLC
A controller designed and certified to perform safety-related logic.
IN ONE SENTENCE
It monitors safety devices and controls safe shutdown or permitted machine states.
In normal English
Safety PLCs use certified hardware, diagnostics and programming rules so safety functions can reach required integrity levels.
Why would I use it?
Use it when machine safety logic is complex enough to justify programmable safety control.
THINK OF IT LIKE…
A PLC whose job includes making safety decisions to a defined standard.
Related terms
SIL, PL, safety relay
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