| 摘要 |
PROBLEM TO BE SOLVED: To provide a control system for electric opening/closing equipment, which makes a central control unit and a plurality of floor control units 2 connected together by means of a main communication line 5, which makes the floor control unit 2 and a plurality of opening/closing control units connected by means of a floor communication line 6, and which enables the condition of the floor communication line 6 to be checked by the central control unit. SOLUTION: A monitor line 7 is provided between the main communication line 5 and the floor communication line 6, so that a signal, which flows through the floor communication line 6 via the monitor line 7, can be received by the central control unit. COPYRIGHT: (C)2007,JPO&INPIT
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