Description
通常允许输入电源电压的波动范围为-15%~+10%。如:选择额定输入电压为AC100V时,通常允许输入电压的变化范围为AC85~110V;选择额定输入电压为AC240V时,允许的变化范围为AC200—AC264V。PLC对外部交流电源的频率要求较低,允许的频率变化范围通常为±3Hz,即选择额定输入频率为50Hz时,允许输入频率的变化范围为47~53Hz;选择额定输入频率为60Hz时
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