Unintended movement governor

An electronic unintended movement governor, comprising:

• an input for car position data;
• a device that determines the speed of the elevator;
• a plurality of limit values for permitted movement of the elevator car, including a limit value of the maximum permitted speed of the elevator;
• an overspeed monitoring device that controls at least one stopping appliance of the elevator car when the speed of the elevator car exceeds the limit value of the maximum permitted speed,
• wherein the limit values for the permitted movement of the elevator car comprise a limit value for the distance traveled by the elevator car as well as a time delay, and the electronic unintended movement governor further comprises a device that determines the distance traveled by the elevator car as well as at least two separate controls that control a stopping appliance of the elevator car, said at least two separate controls comprising:
• a first control for immediately controlling at least one stopping appliance of the elevator car;
• and
• a second control for controlling at least one stopping appliance of the elevator car when the distance traveled by the elevator car and/or the time delay exceeds a predefined limit value,
• and wherein the control of the stopping appliance of the elevator car comprises a control of the machinery brake as well as the disconnection of the power input circuit of the motor.