Elevator is signal input circuit of flat bed condition again

The utility model discloses an elevator is signal input circuit of flat bed condition again, include with signal input terminal and the electric terminal that links to each other with 24V DC power supply, signal input terminal with the power supply terminal is connected with the signal input module, the output of signal input module is connected with optoelectronic coupler, optoelectronic coupler's an output terminal is connected with logical output terminal, logic output terminal still is connected with the phase inverter, optoelectronic coupler's output with still be connected with the output display branch road between the logic output terminal. The utility model discloses an input optoelectronic coupler behind the signal input pair of module input signal processing, by optoelectronic coupler output control signal, guarantee the reliability that incoming signal gathered from this, two opposite signals are exported respectively to accessible logic output terminal and first phase inverter to in carry out sub