| 摘要 |
PROBLEM TO BE SOLVED: To provide an elevator control device capable of achieving bridging prevention of a commercial power source and a battery power source, and facilitating performing time limit adjustment.SOLUTION: An elevator control device has such a mechanism of detecting power source loss through demagnetization of an AC power source electromagnetic contactor connected to a power source loss detection circuit, taking a constantly-closed contact signal into a calculator feeding a power source from a battery voltage, and serially connecting a constantly-closed contact point of a switching relay magnetized by the input signal with an AC power source electromagnetic contactor coil in the power source loss detection circuit so as to magnetize a switching relay coil by the calculator directly feeding a power source from a battery power source, and continue a power return disabled state between commercial power source loss and power return. |
