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STO, up to category 1, up to PL c;
PUS, up to category 3, up to PL e;
Channel 1 (working valve): 2x3/2 exhausted, electrically actuated, pilot actuated, overlap, mechanical spring, monitoring by pressure switch
Channel 2 (operation pressure): 3/2 closed, electrically actuated, pilot actuated, mechanical spring, monitoring by pressure switch
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, characteristics of suitable products and a product list of suitable products from Festo.

STO, up to category 1, up to PL c;
PUS, up to category 3, up to PL e;
Channel 1 (working valve): 2 x 3/2 exhausted, electrically actuated, overlap, pilot actuated, mechanical spring, limit switch drive
Channel 2 (operation pressure ): 3/2 closed, electrically actuated, pilot actuated, mechanical spring, monitoring by pressure switch
Channel 2 (pilot pressure ): 3/2 closed, electrically actuated, pilot actuated, mechanical spring, monitoring by pressure switch
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, characteristics of suitable products and a product list of suitable products from Festo.

Working valve: any:

STO, up to Category 4, up to PL e;
PUS, up to Category 4, up to PL e;
Channel 1: 6/2 exhausted, electrically actuated, negative lap, pilot-operated, mechanical spring, monitored by limit switch piston spool
Channel 2: 6/2 vented, electrically actuated, pilot-operated, mechanical spring, monitored by limit switch piston spool
Safety application note with a possible implementation of the safety subfunctions STO and PUS using the VOFT valve block. Included are the basic circuit, safety-related block diagram, Sistema project, FluidDraw project, characteristics of suitable products, and a product list of suitable products of Festo.

STO, up to Category 1, up to PL c;
PUS, up to Category 1, up to PL c;
Channel 1: 6/2 exhausted, electrically actuated, pilot-operated, mechanical spring, monitored by limit switch piston spool
Safety application note with a possible implementation of the safety subfunctions STO and PUS using the VOFT valve block. Included are the basic circuit, safety-related block diagram, Sistema project, FluidDraw project, characteristics of suitable products, and a product list of suitable products of Festo.

Safety Application Note with a test cycle as diagnosis for the safety sub-function SSC when 5/3-way valves, closed, or using pilot operated check valves.

Safe Closing (SC), up to category 1, up to PL c;
Working valve (CH1): 5/4-way, exhausted, electrically actuated, pilot actuated, mechanical spring;
Safety Application Note with a possible implementation of the safety sub-functions SC. Included is a description, basic circuit, safety-related block diagram, Sistema project, FluidDraw project, characteristics of suitable products and a product list of suitable products from Festo.

Safe Closing (SC), up to category 3, up to PL d;
Working valve (CH1): 5/4-way, exhausted, electrically actuated, pilot actuated, mechanical spring, monitoring limit switches drive;
Operation pressure (CH2): 3/2-way valve, closed, electrically actuated, pilot actuated, mechanical spring, monitoring pressure switch;
Safety Application Note with a possible implementation of the safety sub-functions SC. Included is a description, basic circuit, safety-related block diagram, Sistema project, FluidDraw project, characteristics of suitable products and a product list of suitable products from Festo.

Safety Application Note with the definitions of the safety sub-functions "Safe Torque Off (STO)" and the related safety sub-function "Prevention of Unexpected Start (PUS)" for pneumatic circuits and their safe condition. For practical implementation, additional notes are given which should be observed depending on the application.

Safety Application Note with the definitions of the safety sub-functions "Safe De-energization (SDE)" and the related safety sub-function "Prevention of Unexpected Start (PUS)" for pneumatic circuits and their safe condition. For practical implementation, additional notes are given which should be observed depending on the application.

Safety Application Note with the definition of the safety sub-function "Prevention of Unexpected Start (PUS)" for pneumatic circuits and their safe condition. For practical implementation, additional notes are given which should be observed depending on the application.

Safety Application Note with the definitions of the safety sub-functions "Safe Blocking with Friction Locking (SB-f)" and the related safety sub-function "Prevention of Unexpected Start (PUS)" for pneumatic circuits and their safe condition. For practical implementation, additional notes are given which should be observed depending on the application.

Safety subfunctions pneumatics - Definitions

Safety Application Note with the definitions of the safety sub-functions "Safe Stopping and Closing (SSC)" and the related safety sub-function "Prevention of Unexpected Start (PUS)" for pneumatic circuits and their safe condition. For practical implementation, additional notes are given which should be observed depending on the application.

Safety Application Note with the definitions of the monitoring function

"Static Brake Test (BT-s)" for pneumatic circuits and the possible results. For practical implementation, additional notes are given which should be observed depending on the application.

Safety Application Note with the definitions of the safety sub-functions "Safe Direction (SDI)" and the related safety sub-function "Prevention of Unexpected Start (PUS)" for pneumatic circuits and their safe condition. For practical implementation, additional notes are given which should be observed depending on the application.

Safety Application Note with the definitions of the safety sub-functions "Safe Blocking with Positive Locking (SB-p)" and the related safety sub-function "Prevention of Unexpected Start (PUS)" for pneumatic circuits and their safe condition. For practical implementation, additional notes are given which should be observed depending on the application.

Safety Application Note with the definitions of the safety sub-function "Safe Closing (SC)" for pneumatic circuits and their safe condition. For practical implementation, additional notes are given which should be observed depending on the application.

Document contains a possible evaluation of the SIL suitability of directional control valves as an element according to IEC 61508, High Demand Mode for safety sub-functions pneumatics SDE (Safe Deenergization) and PUS (Prevention of Unexpected Start).

Document contains a possible evaluation of the SIL suitability of directional control valves as an element according to IEC 61508, High Demand Mode for safety sub-functions pneumatics STO (Safe Torque Off) and PUS (Prevention of Unexpected Start).

Document contains a possible evaluation of the SIL suitability of directional control valves as an element according to IEC 61508, High Demand Mode for safety sub-functions pneumatics STO (Safe Torque Off) and PUS (Prevention of Unexpected Start).

Document contains a possible evaluation of the SIL suitability of directional control valves as an element according to IEC 61508, High Demand Mode for safety sub-function pneumatics PUS (Prevention of Unexpected Start).

Safe De-Energization (SDE), up to category 1, up to PL c;
Prevention of unexpected start-up (PUS), up to category 1, up to PL c;
Working valve (CH1): 3/2-way, closed, electrically actuated, pilot actuated, mechanical spring;
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, FluidSim-Project, characteristics of suitable products and a product list of suitable products from Festo.

Safety Application Note with information about service units for the use with pneumatic safety subfunctions.

This document is intended to provide users of Festo control products with an introduction and support on how Festo controllers can be used as securely as possible from the point of view of cyber security.

SDE, up to category 1, up to PL c;
PUS, up to category 3, up to PL e;
Channel 1 (working valve): 3/2 closed, electrically actuated, pilot actuated, negative overlap, mechanical spring, limit switch drive
Channel 2 (operation pressure ): 3/2 closed, electrically actuated, pilot actuated, mechanical spring, monitoring by limit switch piston spool
Channel 2 (pilot pressure ): 3/2 closed, electrically actuated, pilot actuated, mechanical spring, monitoring by pressure switch
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, FluidSim-Project, characteristics of suitable products and a product list of suitable products from Festo.

This information brochure describes the tools and repair accessories required to assemble, maintain and repair Festo products. Here you will find part numbers for tools, lubricants, greases etc.