Description:
Safe Torque Off (STO), 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): 5/3-way, exhausted, electrically actuated, pilot actuated, mechanical spring;
Safety Application Note with a possible implementation of the safety sub-functions STO and PUS. 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.