篮球比分

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您现在的位置:篮球比分 >> 技术文章 >> 为什么变送器和传感器偏爱4~20mA作传送信号?
为什么变送器和传感器偏爱4~20mA作传送信号?
浏览次数:139发布日期:2019-10-18

篮球比分YIBANYIQIYIBIAODEXINHAODIANLIUDOUWEI4-20mA,ZHIXIAODIANLIUWEI4mA,DADIANLIUWEI20mA 。CHUANSHUXINHAOSHIHOU,YINWEIDAOXIANSHANGYEYOUDIANZU,RUGUOYONGDIANYACHUANSHUZEHUIZAIDAOXIANNEICHANSHENGYIDINGDEYAJIANG,NEIJIESHOUDUANDEXINHAOJIUHUICHANSHENGYIDINGDEWUCHALE,SUOYIYIBANSHIYONGDIANLIUXINHAOZUOWEIBIANSONGQIDEBIAOZHUNCHUANSHU。

 

篮球比分YI、SHENMESHI4~20mA.DC(1~5V.DC)XINHAOZHI?

4~20mA.DC(1~5V.DC)XINHAOZHISHIGUOJIDIANGONGWEIYUANHUI(IEC):GUOCHENGKONGZHIXITONGYONGMONIXINHAOBIAOZHUN。WOGUOCONGDDZ-ⅢXINGDIANDONGYIBIAOKAISHICAIYONGZHEIYIGUOJIBIAOZHUNXINHAOZHI,YIBIAOCHUANSHUXINHAOCAIYONG4~20mA.DC,LIANLUOXINHAOCAIYONG1~5V.DC,JICAIYONGDIANLIUCHUANSHU、DIANYAJIESHOUDEXINHAOXITONG。

 

4~20mADIANLIUHUANGONGZUOYUANLI:

 

篮球比分ZAIGONGYEXIANCHANG,YONGYIGEYIBIAOFANGDAQILAIWANCHENGXINHAODEDIAOLIBINGJINXINGZHANGXIANCHUANSHU,HUICHANSHENGYIXIAWENTI:,YOUYUCHUANSHUDEXINHAOSHIDIANYAXINHAO,CHUANSHUXIANHUISHOUDAOZAOSHENGDEGANRAO;DIER,CHUANSHUXIANDEFENBUDIANZUHUICHANSHENGDIANYAJIANG;DISAN,ZAIXIANCHANGRUHETIGONGYIBIAOFANGDAQIDEGONGZUODIANYAYESHIGEWENTI。

WEILEJIEJUESHANGSHUWENTIHEBIKAIXIANGGUANZAOSHENGDEYINGXIANG,WOMENYONGDIANLIULAICHUANSHUXINHAO,YINWEIDIANLIUDUIZAOSHENGBINGBUMINGAN。4~20mADEDIANLIUHUANBIANSHIYONG4mABIAOSHILINGXINHAO,YONG20mABIAOSHIXINHAODEMANKEDU,ERDIYU4mAGAOYU20mADEXINHAOYONGYUGEZHONGGUZHANGDEBAOJING。

 

篮球比分ER、4~20mA.DC(1~5V.DC)XINHAOZHIDEYOUDIAN?

 

XIANCHANGYIBIAOKESHIXIANLIANGXIANZHI,SUOWEILIANGXIANZHIJIDIANYUAN、FUZAICHUANLIANZAIYIQI,YOUYIGONGGONGDIAN,ERXIANCHANGBIANSONGQIYUKONGZHISHIYIBIAOZHIQIANDEXINHAOLIANLUOJIGONGDIANJINYONGLIANGGENDIANXIAN。YINWEIXINHAOQIDIANDIANLIUWEI4mA.DC,WEIBIANSONGQITIGONGLEJINGTAIGONGZUODIANLIU,TONGSHIYIBIAODIANQILINGDIANWEI4mA.DC,BUYUJIXIELINGDIANZHONGHE,ZHEIZHONG“HUOLINGDIAN”YOULIYUSHIBIEDUANDIANHEDUANXIANDENGGUZHANG。ERQIELIANGXIANZHIHAIBIANYUSHIYONGANQUANZHA,LIYUANQUANFANGBAO。

 

KONGZHISHIYIBIAOCAIYONGDIANYABINGLIANXINHAOCHUANSHU,TONGYIGEKONGZHIXITONGSUOSHUDEYIBIAOZHIJIANYOUGONGGONGDUAN,BIANYUJIANCEYIBIAO、DIAOJIEYIBIAO、JISUANJI、BAOJINGZHUANGZHIPEIYONG,BINGFANGBIANJIEXIAN。

 

篮球比分XIANCHANGYIBIAOYUKONGZHISHIYIBIAOZHIJIANDELIANLUOXINHAOCAIYONG4~20mA.DCDELIYOUSHI:YINWEIXIANCHANGYUKONGZHISHIZHIJIANDEJULIJIAOYUAN,LIANJIEDIANXIANDEDIANZUJIAODA,RUGUOYONGDIANYAXINHAOYUANCHUAN,YOUYUDIANXIANDIANZUYUJIESHOUYIBIAOSHURUDIANZUDEFENYA,JIANGCHANSHENGJIAODADEWUCHA,ERYONGHENGLIUYUANXINHAOZUOWEIYUANCHUAN,ZHIYAOCHUANSONGHUILUBUCHUXIANFENZHI,HUILUZHONGDEDIANLIUJIUBUHUISUIDIANXIANZHANGDUANERGAIBIAN,CONGERBAOZHENGLECHUANSONGDEJINGDU。

 

KONGZHISHIYIBIAOZHIJIANDELIANLUOXINHAOCAIYONG1~5V.DCLIYOUSHI:WEILEBIANYUDUOTAIYIBIAOGONGTONGJIESHOUTONGYIGEXINHAO,BINGYOULIYUJIEXIANHEGOUCHENGGEZHONGFUZADEKONGZHIXITONG。RUGUOYONGDIANLIUYUANZUOLIANLUOXINHAO,DANGDUOTAIYIBIAOGONGTONGJIESHOUTONGYIGEXINHAOSHI,TAMENDESHURUDIANZUBIXUCHUANLIANQILAI,ZHEIHUISHIDAFUZAIDIANZUCHAOGUOBIANSONGYIBIAODEFUZAINENGLI,ERQIEGEJIESHOUYIBIAODEXINHAOFUDUANDIANWEIGEBUXIANGTONG,HUIYINRUGANRAO,ERQIEBUNENGZUODAODANYIJIZHONGGONGDIAN。

 

CAIYONGDIANYAYUANXINHAOLIANLUO,YUXIANCHANGYIBIAODELIANLUOYONGDEDIANLIUXINHAOBIXUZHUANHUANWEIDIANYAXINHAO,JIANDANDEBANFAJIUSHI:ZAIDIANLIUCHUANSONGHUILUZHONGCHUANLIANYIGE250ΩDEBIAOZHUNDIANZU,BA4~20mA.DCZHUANHUANWEI1~5V.DC,TONGCHANGYOUPEIDIANQILAIWANCHENGZHEIYIRENWU。

 

SAN、WEISHENMEBIANSONGQIXUANZE4~20mA.DCZUOCHUANSONGXINHAO?

篮球比分1、SHOUXIANSHICONGXIANCHANGYINGYONGDEANQUANKAOLV

 

ANQUANZHONGDIANSHIYIFANGBAOANQUANHUOHUAXINGYIBIAOLAIKAOLVDE,BINGYIKONGZHIYIBIAONENGLIANGWEIQIANTI,BAWEICHIYIBIAOZHENGCHANGGONGZUODEJINGTAIHEDONGTAIGONGHAOJIANGDIDAODIXIANDU。SHUCHU4~20mA.DCBIAOZHUNXINHAODEBIANSONGQI,QIDIANYUANDIANYATONGCHANGCAIYONG24V.DC,CAIYONGZHILIUDIANYADEZHUYAOYUANYINSHIKEYIBUYONGDARONGLIANGDEDIANRONGQIJIDIANGANQI,JIUZHIXUKAOLVBIANSONGQIYUKONGZHISHIYIBIAOLIANJIEDAOXIANDEFENBUDIANRONGJIDIANGAN,RU2mm2 DEDAOXIANQIFENBUDIANRONGWEI0.05μ/kmZUOYOU;DUIYUDANXIANDEDIANGANWEI0.4mH/kmZUOYOU;DADADIYUYINBAOQINGQIDESHUZHI,XIANRANZHEIDUIFANGBAOSHIFEICHANGYOULIDE。

 

篮球比分2、CHUANSONGXINHAOYONGDIANLIUYUANYOUYUDIANYAYUAN

 

篮球比分YINWEIXIANCHANGYUKONGZHISHIZHIJIANDEJULIJIAOYUAN,LIANJIEDIANXIANDEDIANZUJIAODASHI,RUGUOYONGDIANYAYUANXINHAOYUANCHUAN,YOUYUDIANXIANDIANZUYUJIESHOUYIBIAOSHURUDIANZUDEFENYA,JIANGCHANSHENGJIAODADEWUCHA,RUGUOYONGDIANLIUYUANXINHAOZUOWEIYUANCHUAN,ZHIYAOCHUANSONGHUILUBUCHUXIANFENZHI,HUILUZHONGDEDIANLIUJIUBUHUISUIDIANXIANZHANGDUANERGAIBIAN,CONGERBAOZHENGLECHUANSONGDEJINGDU。

 

3、XINHAODADIANLIUXUANZE20mADEYUANYIN

 

篮球比分DADIANLIU20mADEXUANZESHIJIYUANQUAN、SHIYONG、GONGHAO、CHENGBENDEKAOLV。ANQUANHUOHUAYIBIAOZHINENGCAIYONGDIDIANYA、DIDIANLIU,4~20mADIANLIUHE24V.DCDUIYIRANQINGQIYESHIANQUANDE,DUIYU24V.DCQINGQIDEYINBAODIANLIUWEI200mA,YUANZAI20mAYISHANG,CIWAIHAIYAOZONGHEKAOLVSHENGCHANXIANCHANGYIBIAOZHIJIANDELIANJIEJULI,SUODAIFUZAIDENGYINSU;HAIYOUGONGHAOJICHENGBENWENTI,DUIDIANZIYUANJIANDEYAOQIU,GONGDIANGONGLVDEYAOQIUDENGYINSU。

 

4、XINHAOQIDIANDIANLIUXUANZE4mADEYUANYIN

 

SHUCHUWEI4~20mADEBIANSONGQIYILIANGXIANZHIDEJUDUO,LIANGXIANZHIJIDIANYUAN、FUZAICHUANLIANZAIYIQI,YOUYIGONGGONGDIAN,ERXIANCHANGBIANSONGQIYUKONGZHISHIYIBIAOZHIJIANDEXINHAOLIANLUOJIGONGDIANJINYONGLIANGGENDIANXIAN。WEISHENMEQIDIANXINHAOBUSHI0mA?ZHEISHIJIYULIANGDIAN:YISHIBIANSONGQIDIANLUMEIYOUJINGTAIGONGZUODIANLIUJIANGWUFAGONGZUO,XINHAOQIDIANDIANLIU4mA.DC,BUYUJIXIELINGDIANZHONGHE,ZHEIZHONG“HUOLINGDIAN”YOULIYUSHIBIEDUANDIANHEDUANXIANDENGGUZHANG。

 

篮球比分SI、4~20mACHUANGANQIDEYOULAI?

 

CAIYONGDIANLIUXINHAODEYUANYINSHIBURONGYISHOUGANRAO、BINGQIEDIANLIUYUANNEIZUWUQIONGDA,DAOXIANDIANZUCHUANLIANZAIHUILUZHONGBUYINGXIANGJINGDU,ZAIPUTONGSHUANGJIAOXIANSHANGKEYICHUANSHUSHUBAIMI。

 

CAIYONGDIANLIUXINHAODEYUANYINSHIBURONGYISHOUGANRAO,YINWEIGONGYEXIANCHANGDEZAOSHENGDIANYADEFUDUKENENGDADAOSHUV,DANSHIZAOSHENGDEGONGLVHENRUO,SUOYIZAOSHENGDIANLIUTONGCHANGXIAOYUnAJIBIE,YINCIJI4-20mACHUANSHUDAILAIDEWUCHAFEICHANGXIAO;DIANLIUYUANNEIZUQUYUWUQIONGDA,DAOXIANDIANZUCHUANLIANZAIHUILUZHONGBUYINGXIANGJINGDU,YINCIZAIPUTONGSHUANGJIAOXIANSHANGKEYICHUANSHUSHUBAIMI;YOUYUDIANLIUYUANDEDANEIZUHEHENGLIUSHUCHU,ZAIJIESHOUDUANWOMENZHIXUFANGZHIYIGE250OUMUDAODIDEDIANZUJIUKEYIHUODE0-5VDEDIANYA,DISHURUZUKANGDEJIESHOUQIDEHAOCHUSHInAJIDESHURUDIANLIUZAOSHENGZHICHANSHENGFEICHANGWEIRUODEDIANYAZAOSHENG。

 

SHANGXIANQU20mASHIYINWEIFANGBAODEYAOQIU:20mADEDIANLIUTONGDUANYINQIDEHUOHUANENGLIANGBUZUYIYINRANWASI。XIAXIANMEIYOUQU0mADEYUANYINSHIWEILENENGJIANCEDUANXIAN:ZHENGCHANGGONGZUOSHIBUHUIDIYU4mA,DANGCHUANSHUXIANYINGUZHANGDUANLU,HUANLUDIANLIUJIANGWEI0。CHANGQU2mAZUOWEIDUANXIANBAOJINGZHI。DIANLIUXINGBIANSONGQIJIANGWULILIANGZHUANHUANCHENG4~20mADIANLIUSHUCHU,BIRANYAOYOUWAIDIANYUANWEIQIGONGDIAN。DIANXINGDESHIBIANSONGQIXUYAOLIANGGENDIANYUANXIAN,JIASHANGLIANGGENDIANLIUSHUCHUXIAN,ZONGGONGYAOJIE4GENXIAN,CHENGZHIWEISIXIANZHIBIANSONGQI。DANGRAN,DIANLIUSHUCHUKEYIYUDIANYUANGONGYONGYIGENXIANGONGYONGVCCHUOZHEGND,KEJIESHENGYIGENXIAN,CHENGZHIWEISANXIANZHIBIANSONGQI。QISHIDAJIAKENENGZHUYIDAO,4-20mADIANLIUBENSHENJIUKEYIWEIBIANSONGQIGONGDIAN。BIANSONGQIZAIDIANLUZHONGXIANGDANGYUYIGETESHUDEFUZAI,TESHUZHICHUZAIYUBIANSONGQIDEHAODIANDIANLIUZAI4~20mAZHIJIANGENJUCHUANGANQISHUCHUERBIANHUA。XIANSHIYIBIAOZHIXUYAOCHUANZAIDIANLUZHONGJIKE。ZHEIZHONGBIANSONGQIZHIXUWAIJIE2GENXIAN,YINERBEICHENGWEILIANGXIANZHIBIANSONGQI。GONGYEDIANLIUHUANBIAOZHUNXIAXIANWEI4mA,YINCIZHIYAOZAILIANGCHENGFANWEINEI,BIANSONGQIZHISHAOYOU4mAGONGDIAN。

 

YINCI、4-20mADEXINHAOSHUCHUYIBANBURONGYISHOUGANRAOERQIEANQUANKEKAO、SUOYIGONGYESHANGPUBIANSHIYONGDEDOUSHIERXIANZHI4-20mADEDIANYUANSHUCHUXINHAO。DANWEILENENGGENGHAODECHULICHUANGANQIDEXINHAO、MUQIANHAIYOUGENGDUOQITAXINGSHIDESHUCHUXINHAO:3.33MV/V;2MV/V;0-5V; 0-10VDENG。

 

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