LJ30A3-15-J/DZ沪工代理正品销售LJ30A3-15-J/DZ沪工代理正品销售【产品介绍】
【品牌】:沪工集团
【名称】:电感式接近开关
【输出方式】:交流二线常闭
【工作电压】:交流90-250VAC
【外形尺寸】:直径18毫米圆柱体
【检测物体】:金属/铁
【功能用途】:LJ系列接近开关(又称无触点行程开关)的作用是在接近金属时就动作,广泛应用于机床及其他设备的控制之用。
【工作原理】:
接近开关由三大部分组成:振荡器、开关电路、放大输出电路。振荡器产生一个交变磁
场。当金属目标接近这一磁场,并达到感应距离时,在金属目标内产生涡流,从而导致振荡
衰减,以至停振。振荡器振荡及停振的变化被后级放大电路处理并转换成开关信号,触发驱
动控制器件,从而达到非接触式之检测目的。目标离传感器越近,目标离传感器越近,线圈
内的阻尼就越大;阻尼越大,传感器振荡器的电流就越小.电感式接近开关的电流损耗,随着与
金属目标距离的减小而减小.
【主要特征】:
体积小、开关频率高、重复定位精度高、电压范围宽外形结构多样、防尘、防震、防水、
防油、抗干扰性能好 具备短路保护,反连接保护、输出形式多 使用寿命长。
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