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Safety-related equipment

May the "safe" signal from a Pilz evaluation device be directed to a PLC (LOGO) in order to enable operations there or must there be another contact after the PLC?

As the PLC (LOGO) is a controller without safety-related properties - it can also be said that the standard PLC is "not a well-tried component" - it may not be connected downstream of the safety relay (e.g. PNOZ). In this type of circuit, the safe signal loses its reliability after the PLC.

 

Contact

Pilz Automation Safety Canada L.P.
6695 Millcreek Drive, Unit 8
Mississauga, ON, L5N 5R8
Canada

Telephone: +1 905 821 7459
E-Mail: info@pilz.ca

Technical Support

Telephone: +1 888-315-PILZ (315-7459)
E-Mail: tech@pilz.ca