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发明公开
CN108803759A 控制接口转换电路 无效 - 撤回

控制接口转换电路
摘要：
本发明公开了控制接口转换电路，包括电平转换电路、倍频电路、差分信号电路、控制电路、整形电路、光耦继电器电路，PLC信号进入电平转换电路，所述倍频电路、差分信号电路、控制电路分别与电平转换电路连接，所述倍频电路与差分信号的电路连接，所述差分信号电路和控制电路分别与整形电路连接，所述整形电路与光耦继电器电路连接；所述电平转换电路用于将24V的PLC信号转换成直流伺服电机所接收的5V电平，倍频电路用于锁相倍频；差分信号电路用于抑制共模干扰信号；整形电路用于对信号波形进行整形；光耦继电器电路用于数字信号的传输。本发明通过倍频电路、控制电路以及差分信号电路将信号分离开，提高控制信号的脉冲频率。
摘要（英）：

The invention discloses a control interface switching circuit. The circuit comprises a level switching circuit, a frequency doubling circuit, a differential signal circuit, a control circuit, a waveshaping circuit and an optocoupler relay circuit, a PLC signal enters the level switching circuit, the frequency doubling circuit, the differential signal circuit and the control circuit are separatelyconnected with the level switching circuit, the frequency doubling circuit is connected with the differential signal circuit, the differential signal circuit and the control circuit are separately connected with the waveshaping circuit, and the waveshaping circuit is connected with the optocoupler relay circuit; the level switching circuit is used for converting the PLC signal of 24 V into the electrical level of 5V received by a direct current servo motor, and the frequency doubling circuit is used for phase locking frequency doubling; the differential signal circuit is used for inhibiting common mode interference signals; the waveshaping circuit is used for shaping signal waveforms; the optocoupler relay circuit is used for digital signal transmission. According to the control interfaceswitching circuit, through the frequency doubling circuit, the control circuit and the differential signal circuit, signals are separated, and the impulse frequency of control signals is improved.

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