Patent ID: 11936322
Assignee: SCHNEIDER ELECTRIC INDUSTRIES SAS
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H  F  Y | IPC H

Claim 6:
7. The control unit according to claim 6, wherein the sequential logic is provided:
with a first stage comprising a first circuit for preventing/allowing the operation of the motor in a direction of closing of said switching unit provided with a first control device preventing operation of the motor in the direction of closing of the switching unit on detection of a command to operate the motor of said switching unit in a direction of opening of the switching unit,
with a second stage comprising one said device for preventing the starting of the motor provided with a second control device driven by an input for receiving said binary datum validated by a preventing/allowing circuit configured to block the passage of the binary datum when the motor to be started or in operation is the motor belonging to the unit and to allow the passage of the binary datum when the motor to be started or in operation is a motor external to the unit,
with a third stage for managing the parallel line and the series line,
with at least one power control stage provided with at least one pair of switches for supplying current for operating the motor in the direction of opening of the switching unit and for supplying current for operating the motor in the direction of closing of the switching unit.