Description:
PUS, category 3, up to PL e;
working valve (CH 1): 5/2-way bistable, electrically actuated, pilot actuated, limit switch drive
operation pressure (CH2): 3/2 closed, electrically actuated, pilot actuated, mechanical spring, monitoring by limit switch piston spool
pilot pressure (CH2): 3/2 closed, electrically actuated, pilot actuated, mechanical spring, monitoring by pressure switch
Safety Application Note with a possible implementation of the safety sub-function PUS for bistable valves. 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.