Patent ID: 6349795
Filing Date: 2002-02-26
Classification: B66B

Abstract:
A communication system for an elevator control system, wherein the elevator control system includes respective cabin controllers for controlling operation of respective elevators, a plurality of hall controllers for controlling inputs from and outputs to an elevator calling button and an arrival pre-announcement light installed on each floor, a plurality of hall transmission lines to which respective hall controllers are connected, and a group management controller for collectively controlling operation of the respective elevators, and communication devices being not less in number than the cabin controllers the communication devices being connected to the respective cabin controllers in a one-to-one relation, the communication system including:a CPU controlling internal operation of the communication system; a management table storage portion for storing a management table referred to for communication control; an intrinsic identification number setting portion for setting a number for identifying respective communication devices; a network interface connected to a network interconnecting the communication devices and controlled by the CPU; and at least one interface having a hall transmission line interface connected to a hall transmission line, a respective cabin controller interface connected to each cabin controller, a group management controller interface connected to the group management controller, and a transmission line expansion interface connected to an expansion transmission line other than a hall transmission line, wherein the interface is controlled by the CPU.