Title:
Circuits Safety Subfunctions Pneumatics
Subtitle:
SDI, up to category 1, up to PL c; PUS, up to category 3, up to PL e; CH 1 (working valve): 5/2 directional control valve, monostable, monitoring by limit switch drive;
Description:

CH 2 (operation pressure): 3/2 directional control valve, closed, monitoring pressure switch
CH 2 (pilot pressure): 3/2 directional control valve, closed, monitoring pressure switch

 

STO, up to category 1, up to PL c;
PUS, up to category 3, up to PL e;
Channel 1 (working valve): 5/2 directional control valve, monostable, electrically actuated, pilot actuated, mechanical spring, limit switch drive
Channel 2 (operation pressure ): 3/2 directional control valve, monostable, electrically actuated, pilot actuated, mechanical spring, monitoring by pressure switch
Channel 2 (pilot pressure ): 3/2 directional control valve, monostable, electrically actuated, pilot actuated, mechanical spring, monitoring by pressure switch
Safety Application Note with a possible implementation of the safety sub-functions SDI 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
Circuits Safety Subfunctions Pneumatics

STO, up to category 1, up to PL c;
PUS, up to category 3, up to PL e;
Channel 1 (working valve): 5/2 directional control valve, monostable, electrically actuated, pilot actuated, mechanical spring, limit switch drive
Channel 2 (operation pressure ): 3/2 directional control valve, monostable, electrically actuated, pilot actuated, mechanical spring, monitoring by pressure switch
Channel 2 (pilot pressure ): 3/2 directional control valve, monostable, electrically actuated, pilot actuated, mechanical spring, monitoring by pressure switch
Safety Application Note with a possible implementation of the safety sub-functions SDI 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.
100525 Application Note - EN.zip English [en] File size: 937 KB Version: 1.30 (25/08/2025)
Sicherheits-Teilfunktionen Pneumatik - Schaltung

SDI, bis zu Kategorie 1, bis zu PL c;
PUS, bis zu Kategorie 3, bis zu PL e;
Kanal 1 (Arbeitsventil): 5/2-Wegeventil, monostabil, elektrisch betätigt, vorgesteuert, mechanische Feder, Überwachung durch Endschalter Antrieb
Kanal 2 (Arbeitsdruck): 3/2-Wegeventil geschlossen, elektrisch betätigt, vorgesteuert, mechanische Feder, Überwachung durch Druckschalter
Kanal 2 (Steuerdruck): 3/2-Wegeventil, geschlossen, elektrisch betätigt, vorgesteuert, mechanische Feder, Überwachung durch Druckschalter
Safety Application Note mit einer möglichen Umsetzung der Sicherheits-Teilfunktionen SDI und PUS. Enthalten ist die Grundschaltung, sicherheitsbezogenes Blockdiagramm, Sistema-Projekt, FluidDraw-Projekt, Merkmale geeigneter Produkte und eine Produktliste geeigneter Produkte von Festo.
100525 Application Note - DE.zip Deutsch [de] File size: 978 KB Version: 1.30 (25/08/2025)