2UBA000011R0002 ABB

ABB 3BHL000479P0006
ABB 3BHL000499P0004
ABB 2UBA000013R0001
ABB 3BHL000606P0001
ABB 3BHB015946R0010
ABB 3BHB024772R0001

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Description

采用具有锁存、译码、驱动功能的芯片CD4513驱动共阴极LED七段显示器,两只CD4513的数据输入端A~D共用PLC的4个输出瑞,其中A为最低位,D为最高位。LE是锁存使能输入端,在LE信号的上升沿将数据输入端输入的BCD数锁存在片内的寄存器中,并将该数译码后显示出来


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