Title:
Safety Subfunctions Pneumatics - Circuit
Subtitle:
SDE, cat. 1, PL e; PUS, cat. 3, PL e; CH 1 (working valve): 3/2-way, positive overlap, monitoring pressure switch CH 2 (operation pressure): 3/2-way, monitoring limit switch piston spool
Description:

Safe De-Energization (SDE), up to category 1, up to PL c;
Prevention of unexpected start-up (PUS), up to category 3, up to PL e;
Channel 1 (working valve): 3/2-way, closed, electrically actuated, pilot actuated, mechanical spring, positive overlap, monitoring by pressure switch;
Channel 2 (working valve): 3/2-way, closed, electrically actuated, pilot actuated, mechanical spring, monitoring by limit switch piston spool;
Safety Application Note with a possible implementation of the safety sub-functions SDE and PUS. Included is the basic circuit, safety-related block diagram, Sistema project, FluidDraw project, characteristics of suitable products and a product list of suitable products from Festo.

Document type:
Application Note
Title Version
Safety Subfunctions Pneumatics - Circuit

Safe De-Energization (SDE), up to category 1, up to PL c;
Prevention of unexpected start-up (PUS), up to category 3, up to PL e;
Channel 1 (working valve): 3/2-way, closed, electrically actuated, pilot actuated, mechanical spring, positive overlap, monitoring by pressure switch;
Channel 2 (working valve): 3/2-way, closed, electrically actuated, pilot actuated, mechanical spring, monitoring by limit switch piston spool;
Safety Application Note with a possible implementation of the safety sub-functions SDE and PUS. Included is the basic circuit, safety-related block diagram, Sistema project, FluidDraw project, characteristics of suitable products and a product list of suitable products from Festo.

Sicherheits-Teilfunktionen Pneumatik - Schaltung

Sicheres Energiefrei-Schalten (SDE), bis zu Kategorie 1, bis zu PL c;
Vermeidung unerwarteter Anlauf (PUS), bis zu Kategorie 3, bis zu PL e;
Kanal 1 (Arbeitsventil): 3/2 geschlossen, elektrisch betätigt, vorgesteuert, mechanische Feder, positive Überdeckung, Überwachung durch Druckschalter;
Kanal 2 (Arbeitsdruck): 3/2 geschlossen, elektrisch betätigt, vorgesteuert, mechanische Feder, Überwachung durch Endschalter Kolbenschieber;
Safety Application Note mit einer möglichen Umsetzung der Sicherheits-Teilfunktionen SDE und PUS. Enthalten ist die Grundschaltung, sicherheitsbezogenes Blockdiagramm, Sistema-Projekt, FluidDraw-Projekt, Merkmale geeigneter Produkte und eine Produktliste geeigneter Produkte von Festo.