Title:
Circuits Safety Subfunctions Pneumatics
Subtitle:
PUS, cat. 3, up to PL e; working valve (CH 1): 5/2-way, bistable, monitoring by limit switch drive operation pressure (CH2): 3/2 closed, monitoring limit switch piston spool pilot pressure (CH2): 3/2
Description:

PUS, category 3, up to PL e;
working valve (CH 1): 5/2-way bistable, electrically actuated, pilot actuated, limit switch drive
operation pressure (CH2): 3/2 closed, electrically actuated, pilot actuated, mechanical spring, monitoring by limit switch piston spool
pilot pressure (CH2): 3/2 closed, electrically actuated, pilot actuated, mechanical spring, monitoring by pressure switch
Safety Application Note with a possible implementation of the safety sub-function PUS for bistable valves. Included is a description, basic circuit, safety-related block diagram, Sistema project, FluidDraw project, FluidSim project, characteristics of suitable products and a product list of suitable products from Festo.

Document type:
Application Note
Title Version
Circuits Safety Subfunctions Pneumatics

PUS, category 3, up to PL e;

working valve (CH 1): 5/2-way bistable, electrically actuated, pilot actuated, limit switch drive
operation pressure (CH2): 3/2 closed, electrically actuated, pilot actuated, mechanical spring, monitoring by limit switch piston spool
pilot pressure (CH2): 3/2 closed, electrically actuated, pilot actuated, mechanical spring, monitoring by pressure switch
Safety Application Note with a possible implementation of the safety sub-function PUS for bistable valves. Included is a description, basic circuit, safety-related block diagram, Sistema project, FluidDraw project, FluidSim project, characteristics of suitable products and a product list of suitable products from Festo.

Sicherheits-Teilfunktionen Pneumatik - Schaltung

PUS, Kategorie 3, bis zu PL e;

Arbeitsventil (CH1): 5/2 bistabil, elektrisch betätigt, vorgesteuert, Überwachung durch Endschalter Antrieb
Arbeitsdruck (CH2): 3/2 geschlossen, elektrisch betätigt, vorgesteuert, mechanische Feder, Überwachung Kolbenschieber
Steuerdruck (CH2): 3/2 geschlossen, elektrisch betätigt, vorgesteuert, mechanische Feder, Überwachung durch Druckschalter
Safety Application Note mit einer möglichen Umsetzung der Sicherheits-Teilfunktion PUS für bistabile Ventile. Enthalten ist eine Beschreibung, Grundschaltung, sicherheitsbezogenes Blockdiagramm, Sistema-Projekt, FluidDraw-Projekt, FluidSim-Projekt, Merkmale geeigneter Produkte und eine Produktliste geeigneter Produkte von Festo.