G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
G05B19/00—Program-control systems
G05B19/02—Program-control systems electric
G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
G05B19/12—Program control other than numerical control, i.e. in sequence controllers or logic controllers using record carriers
G05B19/14—Program control other than numerical control, i.e. in sequence controllers or logic controllers using record carriers using punched cards or tapes
B—PERFORMING OPERATIONS; TRANSPORTING
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
B21B37/58—Roll-force control; Roll-gap control
B21B37/60—Roll-force control; Roll-gap control by control of a motor which drives an adjusting screw
Dispositif de commande d'ouverture et/ou de fermeture, en particulier pour un appareil de coupure tel un disjoncteur, et disjoncteur equipe d'un tel dispositif