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| type | through beam sensor |
| emitter / receiver | receiver |
| actual range Sb | 16 m |
| nominal range Sn | 20 m |
| alignment / soiled lens indicator | flashing light indicator |
| light indicator | LED yellow |
| sensitivity adjustment | Pot, 270° |
| response time / release time | < 1 ms |
| voltage supply range +Vs | 10 ... 30 VDC |
| current consumption max. | 20 mA |
| current consumption typ. | 20 mA |
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| sensing distance | 4 m | |||
| response time | depending on number of beams | |||
| light source | pulsed infrared diode | |||
| type | rectangular | |||
| housing dimension | 12x252x40 mm | |||
| housing material | metal | |||
| protection class | IP 65 | |||
| features | number of beams 4, small housing with side mounted optics |
光电式传感器非接触地探测物体，广泛用于许多自动化领域，如管理系统、机械制造、包装工业等。
西门子为这些不同的应用领域提供了极大范围的产品，从直径只有4 mm、可探测距离50
mm的BERO微型接近开关到传输距离达25 m耐用方形K80传感器，再到极精密的BERO激光传感器，传输距离达50 m。
漫射传感器发射器和接收器装在一个盒子中，发射器发射的光束由被探测物反射。这种工作方式最简单，因为它只需要安装和连接一个传感器，不需安装反射器。 带背景噪音抑制的漫射传感器发射器和接收器装在一个盒子中，发射器发射的光束由被探测物反射。另外，还可以设置一个距离，探测到使在此之后的特体不被(背景抑制)。 反射传感器发射器和接收器装在一个盒子中，反射器通常固定安装。光束经反射器反射到接收器。只需在一端接线。 直通光束传感器发射器和接收器分别安装在不同的盒子中，当光束被中断时，输出开关信号。直通光束传感器传输距离最长。带光纤的光电式传感器光纤在光学中被称为"延伸的眼睛"，用于连接传感器。由于其高密度和灵活性，它还是对微小且不易接近物体的理想探测手段。 激光传感器激光传感器的功能与"普通的"光电传感器基本相同。然而激光传感器可探测更微小的物体，且精度远高于后者。 带模拟输出的激光传感器带模拟输出的激光传感器探测距离异常精确，模拟输出的线性度高，分辨率可达20um。 它是直通光束传感器，发射器和接收器相隔固定距离地安装在同一盒中，还可用于探测半透明物体的对比度。颜色传感器由于有学习功能，颜色传感器可简易、地探测不同颜色或颜色范围。 对比传感器与颜色传感器相似，只是它探测亮度和对比度，如：标记或灰色调。而且因为有学习功能，可以优化设置。| sensing distance | 6,5 m | |||
| response time | depending on number of beams | |||
| light source | pulsed infrared diode | |||
| type | rectangular | |||
| housing dimension | 82xLx40 mm | |||
| housing material | metal | |||
| protection class | IP 65 | |||
| features | number of beams between 96 and 672, front mounted optics |
| type | liquid level sensor | |||
| light source | pulsed infrared diode | |||
| nominal pressure (probe tip) | 40 bar | |||
| output indicator | led yellow | |||
| sensitivity adjustment | pot | |||
| wave length | 880 nm | |||
| voltage supply range +vs | 10 ... 30 vdc | |||
| current consumption max. | 15 ma | |||
| voltage dr-op vd | < 2 vdc | |||
| output function | normally open (no) | |||
| output circuit | pnp | |||
| output current | < 200 ma | |||
| short circuit protection | no | |||
| reverse polarity protection | yes, vs to gnd | |||
| width / diameter | 30 mm | |||
| height / length | 66,5 mm | |||
| type | cylindrical | |||
| material (sensing device) | glass (borosilicate) | |||
| housing material | stainless steel din 1,4305/aisi 303 | |||
| connection types | cable 3 pin | |||
| operating temperature | 0 ... +65 °c | |||
| protection class | ip 67 |
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