Title:
Safety Subfunctions Pneumatics - Circuit
Subtitle:
STO, cat. 1, PL c; PUS, cat. 2, PL d; CH 1 (working valve): 2 x 3/2 Directional control valve, monitoring by limit switch drive; CH 2 (operation pressure): 3/2 closed
Description:

Safe Torque Off (STO), up to category 1, up to PL c;
Prevention of unexpected startup (PUS), up to category 2, up to PL d;
Channel 1 (working valve): 2 x 3/2, closed, monostable, electrically actuated, pilot actuated, mechanical spring, monitoring by limit switch drive.
Channel 2 (operation pressure): 3/2 closed, electrically actuated, pilot actuated, mechanical spring.
Safety Application Note with a possible implementation of the safety sub-functions STO and PUS. Included is the 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
Safety Subfunctions Pneumatics - Circuit

Safe Torque Off (STO), up to category 1, up to PL c;
Prevention of unexpected startup (PUS), up to category 2, up to PL d;
Channel 1 (working valve): 2 x 3/2, closed, monostable, electrically actuated, pilot actuated, mechanical spring, monitoring by limit switch drive.
Channel 2 (operation pressure): 3/2 closed, electrically actuated, pilot actuated, mechanical spring.
Safety Application Note with a possible implementation of the safety sub-functions STO and PUS. Included is the 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.
100387 - EN.zip English [en] File size: 5 MB Version: 1.20 (03/09/2024)
Sicherheits-Teilfunktionen Pneumatik - Schaltung

Sichere Momentabschaltung (STO), bis zu Kategorie 1, bis zu PL c;
Vermeidung unerwarteter Anlauf (PUS), bis zu Kategorie 2, bis zu PL d;
Kanal 1 (Arbeitsventil): 2 x 3/2, geschlossen, monostabil, elektrisch betätigt, vorgesteuert, mechanische Feder, Überwachung durch Endschalter Antrieb
Kanal 2 (Arbeitsdruck): 3/2 geschlossen, elektrisch betätigt, vorgesteuert, mechanische Feder
Safety Application Note mit einer möglichen Umsetzung der Sicherheits-Teilfunktionen STO und PUS. Enthalten ist die Grundschaltung, sicherheitsbezogenes Blockdiagramm, Sistema-Projekt, FluidDraw-Projekt, FluidSim-Projekt, Merkmale geeigneter Produkte und eine Produktliste geeigneter Produkte von Festo.
100387 - DE.zip Deutsch [de] File size: 5 MB Version: 1.20 (03/09/2024)