Group control system of elevators

Group supervisory control system according to the present invention relates to an elevator comprising: a single individual elevator control apparatus control a single elevator, in the elevator apparatus comprises the elevator button for each floor is provided with a plurality of TPC controlling stairs control apparatus according to elevator group management control apparatus information transmitted from the multi-device control TPC stairs elevator allocation processing, and setting the control means in each of the single elevator controller, the elevator controller, the group management control means connected to the data communication with the communication control device having an independent power supply; constituting the group management control system of the elevator communication path bus communication control device and the group management control means connected to each of the control means even when the power decrease can be efficiently performed elevator communication device and a control port group management communication apparatus, it is not necessary to support the elevator call button device is connected to a plurality of elevator control, the connection structure can be simplified.