Frequently Asked Questions
Then IEC 61511 is safety for process industry and it is above the machine safety. However the IEC 615011-2 shows the guideline how to implement IEC 61508 into process industry.
Simple motor starters do not meet directly iEC 61508, because there must be additional components and so IEC61508 can be aplicable to whole circuitry.
FOr example IEC61508 schematic diagrams can be found in Preventa manuals.
Or ANy safty manual for ATVs shows the levels in reference to IEC61508
Date code location on an open style ATV18.
On the lower right hand corner, it is a 4 digit number on white sticker.