Transmit pulse signals of the proximity switch or photoelectric sensor to monitor , and contrast them with preset values , accordingly judge that if speed is normal 利用近接开关或光电开关所?集到的脉冲讯号，送到监视器和预先设定值加以对比，以显示移动速度是否正常。
This equipment , under the action of photoelectric swith , through sending scraping plate , conveys the bottle caps in trolly at even speed into cap arranger keeping always a good state 该设备在光电开关作用下，通过输送刮板，把料斗内的瓶盖匀速送入理盖器内，确保理盖器内的瓶盖总能保持最佳状态。
Whose speed is controlled by frequency converter . when optical switch is on , the feeding begins . after going through the feeding rollers , the material will be straightened by straightening rollers which are driven synchronically 附膜材料装于油压扩张变频高速的料架上,经光电开关控制放料,经入料辊送入矫正辊整平,
Jl electronic co . , ltd . is an enterprise engaged in the production of automation control components such as photoelectric switch and mark sensor . the products passed the provincial certification in 1988 健埃尔电子有限公司是专业生产光电开关，标志传感器等自动化控制元件的科技型企业，公司产品于1988年通过省级鉴定。
Shanghai sonon automait system co . , ltd . is specialized in the production of promixity switches , photoelectric switches , solid state relays for the sensor and controller manufacturers . it is one of the country ' s largest oems 上海索能自动化系统有限公司是专业生产接近开关，光电开关，固态继电器等传感器与控制器的生产厂家，是全国最大的一家oem厂商。
This machine adopts a non - contact measurement method . all kinds of inspection devices such as photoelectric switch , laser measuring sensors and super voice wave measuring sensors etc are used in the measurement progress 本机全部采用非接触式测量方式,跟踪探测扫描使用了安全光幕、光电开关、激光测距传感器、超声波测距传感器等多种传感检测探测设备。
We are a company for producing mini relay , large power relay , magnetic latching relay , time relay , solid - staterelay , car relay , sensor approach switch , light or electric switch , counter , timer apparatus design , r d manufacture , produce and sales 公司专业科研开发生产销售小型继电器，大功率继电器，磁保持继电器，时间继电器，固态继电器，汽车继电器，传感器接近开关光电开关，计数器计时器等。
With single and double imported reflecting photoelectric switches , this machine can automatically correct the unevenness of the end face of various pringing and non - printing plastic films , wet glue tape and aluminium foil , etc . . and it is a kind of ideal auliliart equipment for packing products 该机具有单，双进口反射式光电开关自动纠正各种印刷及非印刷塑料薄膜，不干胶、铝箔等材料端面不整齐功能，是包装制品的理想配套设备。
The sampling rate of the system can reach 3704 sps , and the crank angle is 1 . 94 degree per sampling point corresponding to the crank speed of 1200r / min . in the mean time , the position signal of the piston could be collected by photo - electricity switch 本研究首先设计和实现了摩擦力采集电子电路系统，装置最大采样率可达到3704sps ，在曲轴转速为1200r / min时，对应曲柄转角1 . 94度采样点，并且可以采集用来确定活塞位置的光电开关的信号。
For the safety , protecting sets were used to avoid the system from hitting with other wheel sets . optoelectronic switches were used to protect the movement units and sensors . self - detecti ng program could detect the status of sensors and wheel set 系统安全性设计上采用挡轮装置防止前后轮对碰撞在检轮对，系统可靠性设计上硬件采取光电开关和接近开关装置，防止运动超限或传感器发生碰撞，软件上采用自检程序检测各传感器及板卡工作状态，具有自动诊断功能。
