横河变送器的系统连接:电源/信号端子位于变送器壳体内的接线盒侧,打开旋盖即可接线,电源是通过信号线送到变送器的,不需附加线,一般用两根扭在一起的绞合线。信号线不要与其它电源线-起通过线管或明线槽敷设,避免在大功率设备附近穿过。变送器的引线应当密封(用密封件),以防在壳体内部积水。信号线可以浮空或在信号回路中任何一点接地,变送器壳体可以用接地或不接地,电源电压要求不高,既使电源电压波动1V,对输出信号的影响也可忽略不计。当选用本安防爆型横河变送器时,应同时选用相应的安全栅。变送器的安全地点,应尽量远离大功率的电器设备,以避免电磁感应的干扰,影响本安型变送器的性能。搬运和安装变送器时轻拿轻放,以免影响本安电路的性能。变送器的本安导线不得与高压电缆线一起敷设,导线长度应尽量缩短,导线的分布电感、分布电容及变送器的有效电感、有效电容之和,不得超过安全栅规定的额定值。维修人员不得随意更换电气元件的规格和型号。http://www.wuhandekema.com/武汉德科蒙过程控制有限公司027-88062221传真:027-88068180。LED">ABSolute;top:0;border:0;width:undefinedpx;height:undefinedpx;" frameborder="0" src="https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-6745515041074118&ouTPUt=html&adk=1812271804&adf=3279755396&plat=1%3A32776%2C2%3A32776%2C8%3A134217728%2C9%3A134250504%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C30%3A1081344%2C32%3A32&format=0x0&url=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fact%3D1&ea=0&flash=28.0.0&pra=5&wgl=1&dt=1625042674091&bpp=11&bdt=62&idt=159&shv=r20210628&ptt=9&saldr=aa&cookie=ID%3Df208fc56032ec04a-222ab57211c400ce%3AT%3D1602655468%3ART%3D1602655468%3AS%3DALNI_MZ90KP_NdNDKAtfzA4A4RaK0MMehQ&nras=1&correlator=8152864313126&frm=23&ife=1&pv=2&ga_vid=663227571.1625042674&ga_sid=1625042674&ga_hid=2114725142&ga_fc=0&nhd=1&u_tz=480&u_his=6&u_java=0&u_h=1080&u_w=1920&u_ah=1030&u_aw=1920&u_cd=24&u_nplug=11&u_nmime=26&adx=-12245933&ady=-12245933&biw=1259&bih=816&isw=730&ish=360&ifk=2699508910&scr_x=0&scr_y=0&eid=31060972%2C31061218%2C31061383&oid=3&pvsid=3230347926153334&pem=596&ref=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fadd_suc%3D1&eae=2&fc=1920&brdim=606%2C139%2C606%2C139%2C1920%2C0%2C1259%2C816%2C730%2C360&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=32772&bc=29&ifi=1&uci=1.5jp3qwszcram&dtd=191" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" allowfullscreen="true" data-google-container-id="1.5jp3qwszcram" data-load-complete="true"> |