XYCOM 9450-27B1319010000
XYCOM 9450-27B1319010000有源三线传感器(电感接近开关、电容接近开关、霍尔接近开关、光电开关等)直流有源三制线接近开关与光电开关输出管使用三极管输出,因此传感器分NPN和PNP输出,有的产品是四线制,有双NPN或双PNP,只是状态刚好相反,也有NPN和PNP结合的四线输出。
NPN型当传感器有检测信号VT导通,输出端OUT的电流流向负极,输出端OUT电位接近负极,通常说的高电平翻转成低电平。
PNP型当传感器有检测信号VT导通,正极的电流流向输出端OUT,输出端OUT电位接近正极,通常说的低电平翻转成高电平。
电路中三极管的发射极上的电阻为短路保护采样电阻2-3Ω不影响输出电流。 三极管的集电极的电阻为上拉与下拉电阻,提供输出电位,方便电平接口的电路,另一种输出的三极管集电极开路输出不接上拉与下拉电阻。
XYCOM 9450-27B1319010000
AMADA PUNCH & DYE GRINDER MODEL TEG-160E EXCELLENT COND
Whitnon Spindle WHITNON STYLE 421-0005-040 RPM 3600
MORI SEIKI SL 25 SPINDLE CARTRIDGE SL25 SPINDLE
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