| 摘要 |
An apparatur for transmitting control signals to a elevator from a supervisory station by using minimum wires to supervise and control the elevator, includes operation and selection display units (130)(120), a control selection circuitary (110), a decoder (10) for converting a selection signal to a bit signal to control the operation and selection display units (130)(120) in accordance with the bit signal, and an encoder (20) for converting a contact signal of the elevator control circuit (210) to a bit signal to control the elevator control circuit (210) in accordance with the bit signal.
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