关键字:siemens定位器 http://www.siemens-positioner.com/ siemens定位器现场操作由内置显示屏和3个按钮完成。自动和手动组态可通过按钮切换。手动模式时,无需中断电路,可在整个量程范围调节执行器。其带预控压电阀的气动阀组,压电阀可以释放很短的控制脉冲。其具有较长的工作寿命,主导元件是一个压电柔韧开关,它同主控气路连在一起,能够达到较高的定位精度。 siemens定位器工作模式主要是采用微处理器对给定值和位置反馈作比较。如果微处理器检测到偏差,它就用一个五步开关程序来控制压电阀,压电阀进而调节进入执行器气室的气流量。同时微处理器根据偏差的方向和大小输出一个电控指令给压电阀。压电阀会将控制指令转换为气动位移增量,从而输出数据。 以将信号通过非浮置齿轮传动机构和轴齿轮传动机构,传送到量电位器,通过安装套件检测执行器的旋转或直线运动。一般装在直线执行器上的组件检测的角度误差被自动地校正。当siemens定位器控制器偏差在允许误差范围内,则没有控制指令输出。当控制偏差不大,定位器会输出连续脉冲;当控制偏差很大时,定位器输出一个连续信号。德科蒙过程控制(武汉)有限公司座机:027-88062221传真:027-88068180邮箱: sales@whdkm.com原文出处:http://www.siemens-positioner.com/a/XWRD/275.htmlABSolute;top:0;border:0;width:undefinedpx;height:undefinedpx;" SANdbox="allow-forms allow-popUPS allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation" frameborder="0" src="https://googleads.g.doubleclick.net/pagead/ads?guci=2.2.0.0.2.2.0.0&client=ca-pub-6745515041074118&ouTPUt=html&adk=1812271804&adf=3279755396&plat=1%3A32776%2C2%3A32776%2C8%3A134217728%2C9%3A134250504%2C10%3A32%2C11%3A32%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C30%3A1081344%2C32%3A32%2C40%3A32&format=0x0&url=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fact%3D1&ea=0&flash=32.0.0&pra=5&wgl=1&tt_state=W3siaXNzdWVyT3JpZ2luIjoiaHR0cHM6Ly9hZHNlcnZpY2UuZ29vZ2xlLmNvbSISInN0YXRlIjowfSx7Imlzc3Vlck9yaWdpbiI6Imh0dHBzOi8vYXR0ZXN0YXRpb24uYW5kcm9pZC5jb20iLCJzdGF0ZSI6MH1d&dt=1607415701114&bpp=5&bdt=271&idt=30&shv=r20201203&cbv=r20190131&ptt=9&saldr=aa&cookie=ID%3D5fb7eae809183df8-22fd78660ec40024%3AT%3D1602660717%3ART%3D1602660717%3AS%3DALNI_MYMQQp2TnvCbvJQtTRQsdNX_-71Bg&nras=1&correlator=5128600128526&frm=23&ife=1&pv=2&ga_vid=727897508.1607415701&ga_sid=1607415701&ga_hid=987169622&ga_fc=0&nhd=1&u_tz=480&u_his=10&u_java=0&u_h=1080&u_w=1920&u_ah=1030&u_aw=1920&u_cd=24&u_nplug=17&u_nmime=34&adx=-12245933&ady=-12245933&biw=1243&bih=605&isw=730&ish=360&ifk=2699508910&scr_x=0&scr_y=0&eid=21066699%2C21066792%2C42530671%2C21068945%2C21069000&oid=3&pvsid=1670598111424059&pem=16&ref=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fadd_suc%3D1&rx=0&eae=2&fc=1664&brdim=0%2C0%2C0%2C0%2C1920%2C0%2C1920%2C1030%2C730%2C360&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=8204&bc=31&ifi=0&uci=0.o1q8t87xafr2&fsb=1&dtd=77" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" allowfullscreen="true" data-google-container-id="0.o1q8t87xafr2" data-load-complete="true"> |