摘要 |
A control system for a lift system having a lift car and a lift motor to move said car between a plurality of floors, wherein the control system comprises a plurality of control nodes, one of said control nodes comprising a lift controller, said control nodes being communicatively connected by a communication means, said lift controller being operable in response to messages received from others of said control nodes by said communication means to operate said lift motor, wherein the communication means comprises a serial connection.
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