An electronic system for an associated electrical apparatus, comprising: - at least a binary input adapted to receive one or more candidate signals (Sc); - at least an electronic active load having one or more electronic active devices and operatively connected to said binary input; - control means which are operatively associated to said binary input and to said active load, and which are adapted to: - detect the application of a candidate signal (Sc) to the binary input and electrically drive said active load upon said detection, so as the active load absorbs at least a predetermined amount of energy (Ev) from the candidate signal (Sc); - after the absorption of said predetermined amount of energy (Ev) validate the candidate signal (Sc) if its residual content of energy exceeds a predetermined threshold: characterized by said control means being further adapted to: - electrically drive the active load to absorb from said candidate signal (Sc) a predetermined amount of power (P D) during a predetermined time (T D), in order to absorb said predetermined amount of energy (Ev); - measure at least an electrical parameter (V in) of said candidate signal (Sc) and to control a dissipation current (I D) generated in the active load during said predetermined time (T D) in order to absorb said predetermined amount of power (P D), wherein a set-point value (I set-point) of said dissipation current (I D) is calculated using the measured at least an electrical parameter (V in) of the candidate signal (Sc). - at least a binary input adapted to receive one or more candidate signals (Sc); - at least an electronic active load having one or more electronic active devices and operatively connected to said binary input; - control means which are operatively associated to said binary input and to said active load, and which are adapted to: - detect the application of a candidate signal (Sc) to the binary input and electrically drive said active load upon said detection, so as the active load absorbs at least a predetermined amount of energy (Ev) from the candidate signal (Sc); - after the absorption of said predetermined amount of energy (Ev) validate the candidate signal (Sc) if its residual content of energy exceeds a predetermined threshold: characterized by said control means being further adapted to: - electrically drive the active load to absorb from said candidate signal (Sc) a predetermined amount of power (P D) during a predetermined time (T D), in order to absorb said predetermined amount of energy (Ev); - measure at least an electrical parameter (V in) of said candidate signal (Sc) and to control a dissipation current (I D) generated in the active load during said predetermined time (T D) in order to absorb said predetermined amount of power (P D), wherein a set-point value (I set-point) of said dissipation current (I D) is calculated using the measured at least an electrical parameter (V in) of the candidate signal (Sc). - detect the application of a candidate signal (Sc) to the binary input and electrically drive said active load upon said detection, so as the active load absorbs at least a predetermined amount of energy (Ev) from the candidate signal (Sc); - after the absorption of said predetermined amount of energy (Ev) validate the candidate signal (Sc) if its residual content of energy exceeds a predetermined threshold: characterized by said control means being further adapted to: - electrically drive the active load to absorb from said candidate signal (Sc) a predetermined amount of power (P D) during a predetermined time (T D), in order to absorb said predetermined amount of energy (Ev); - measure at least an electrical parameter (V in) of said candidate signal (Sc) and to control a dissipation current (I D) generated in the active load during said predetermined time (T D) in order to absorb said predetermined amount of power (P D), wherein a set-point value (I set-point) of said dissipation current (I D) is calculated using the measured at least an electrical parameter (V in) of the candidate signal (Sc). - electrically drive the active load to absorb from said candidate signal (Sc) a predetermined amount of power (P D) during a predetermined time (T D), in order to absorb said predetermined amount of energy (Ev); - measure at least an electrical parameter (V in) of said candidate signal (Sc) and to control a dissipation current (I D) generated in the active load during said predetermined time (T D) in order to absorb said predetermined amount of power (P D), wherein a set-point value (I set-point) of said dissipation current (I D) is calculated using the measured at least an electrical parameter (V in) of the candidate signal (Sc).