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4-20mA控制回路故障解決方案

發布日期:2019年11月13日 人閱讀

体球网4-20mAKONGZHIHUILUGUZHANGJIEJUEFANGAN

4-20mA控制回路故障解決方案

GONGYEGUOCHENGZHONGCESHIHUILUBAOKUOCHUANGANQISHURU,CELIANGWENDU、YALI、LIULIANGDENGCANLIANG。

体球网BEICELIANGDEGUOCHENGBIANLIANGBEIZHUANHUACHENGXINHAOCHUANSHUDAOHUILUZHONGDEQITADANYUAN,LIRUXIANSHIQIHEKONGZHIQI;JIEZHUKONGZHIQIGENJUXINHAODUIGUOCHENGJINXINGKONGZHI,LIRU,DUIFAMENDENGZHIXINGGUANBIHUOKAIQIDEDONGZUO。

KONGZHIHUILUKEYISHIMONILIANGDE,YEKEYISHILISANLIANG。

4-20mA控制回路的構成基礎要件

1、24VDIANYUANGONGDIAN

2、BIANSONGQIKONGZHI4-20mAXINHAOSHIQIYUGUOCHENGBIANLIANGCHENGBILIBIANHUA(WENDUBIANSONGQI、YALIBIANSONGQI、ZYK24XILIEYEWEIBIANSONGQIDENG)

体球网3、ZHISHIQIJIANG4-20mAXINHAOZHUANHUAWEIXIANGYINGGUOCHENGBIANLIANG(SHUXIANKONGZHIYI、ZYWXILIEWUZHIJILUYIDENG)

体球网4、ZHISHIQIHUOKONGZHIQII/OSHURUDIANZU250ΩFENLIUQISHENGCHENG1-5VSHURUXINHAO(OUMUDINGLV:DIANYA=DIANLIU*DIANZU,4-20 mA X 250 ohms = 1-5V)

控制回路中的溫度變送器和壓力變送器

溫度變送器

体球网HUILUZHONGDEWENDUBIANSONGQITONGCHANGTONGCHANGCELIANGDESHIGUOCHENGJIEZHI,RULIUTIDENGDEWENDUZHI。

TONGCHANGQINGKUANGXIA:

1、TAMENJIANGREDIANOUHUOREDIANZUCHUANGANQIDEWENDUXINHAOZHUANHUANWEI4-20mAXINHAORANHOUZAISHUCHU;

2、KONGZHIQIZAIJIANG4-20mAFANYIWEIJUTIDEWENDUZHI;

体球网3、JIYUCIWENDUZHI,KONGZHIHUILUGEISHIXIANDUIGUOCHENGZHONGDUANKONGZHIYUANJIANDEKONGZHI。

紹興中儀壓力變送器

体球网TONGYANG,KONGZHIHUILUZHONGDEYALIBIANSONGQI,TONGCHANGYONGLAICELIANGGUOCHENGJIEZHIDEYALIZHI:

体球网1、CHUANGANQIGANZHIYALI,YOUYOUBIANSONGQIJIANGXINHAOZHUANHUANWEI4-20mAXINHAO;

2、KONGZHIQIZAIJIANG4-20mAXINHAOFANYIWEIYALIZHI;

3、KONGZHIQIGENJUYALIZHI,GEIFAMENFASONGZHILING,KONGZHIFAMENKAIDUSHIXIANANQUANFAKONGZHI,QUEBAORONGQIBUCHANSHENGWEIXIANYALI。

4-20mA控制回路故障解決方案

常見控制回路故障及原因

体球网1、JIEXIANHEDUANZIDEWENTI:HUAIDEZHONGDUAN,JUEYUANWENTI,XIANLUDEFUSHIJIWURANDENG;

2、HUILUDIANYUAN:ZAOYINGANRAO、GUOYADENGWENTIDOUKENENGDAOZHIHUILUGONGZUODEBUZHENGCHANG;

体球网3、KONGZHIXITONGI/OKAJIANGUZHANG;

4、BIANSONGQI;

体球网5、CHUANGANQI:YUANJIANDESUNHUAI、CELIANGTONGDAODEZUSAI。

回路故障排查步驟

体球网YI. YANZHENG4-20mAXINHAO

YONGCHUANLIANFAHUOYONGHAOANDIANLIUQIANBIAOCELIANG4-20HAOANXINHAO

1、YANZHENGDIANYUANGONGDIAN

2、CHAZHAOXIANLUWENTI

3、CHAZHAOI/OWENTI

4、CHAZHAOYOUWENTIDEJIEXIANZHONGDUAN

GUZHANGPAICHABUZOU:

体球网1、CELIANGHUILUZHONGDEHAOANSHUZHI,RUGUOCELIANGDAOLE0mA,NEIMEJIXUSHENRUPAIZHANG;

2、RUGUOKONGZHIQIMEIYOUZHISHIXIANSHI,KENENGSHII/OSHURUDEBAOXIANSIRONGDUAN,HUILUCHUXIANKAILUGUZHANG。

4-20mA控制回路故障解決方案

体球网ER. KONGZHIQII/OWENTIPAIZHANG:4-20HAOANHUILUPAIZHANG(TIDAICESHI)

体球网BIANSONGQITIDAICESHISHIFEICHANGHAODEI/OGUZHANGFENXIFANGFA,JISHIYONGCESHISHEBEISHUCHUYIGEBIAOZHUNXINHAOLAIHEDUIKONGZHIDESHUCHU。

GUZHANGPAICHABUZOU:

1、DUANKAIBIANSONGQILIANJIE,JIANGHUILUXIAOZHUNQIHUOGUOCHENGBIAOLIANJIEZAIYUANBIANSONGQIWEIZHI;

2、SHEZHIHAOANMONI,BINGSHEZHIFANWEIZAI4-20HAOAN;

3、YANZHENGZHISHIQIDEZHENGQUESHUZHI,ZAITONGYICESHIZHONGWANCHENGDUIXIANLU、DIANYUANGONGDIANHEI/ODECESHI;

体球网4、RUGUOKONGZHIQIMEIYOUZHISHIXIANSHI,KENENGSHII/OSHURUDEBAOXIANSIRONGDUAN,HUILUCHUXIANKAILUGUZHANG。KETONGGUOCELIANGZAI250ΩSHURULAIJINXINGYANZHENG。

4-20mA控制回路故障解決方案

体球网SAN. DIANYUANGONGDIANWENTIPAICHA

SHIYONGHUILUXIAOYANYIHUODUOYONGBIAO,CELIANGHUILUGONGDIANDIANYA。

GUZHANGPAICHABUZOU:

CELIANGDIANYUANGONGDIAN,YINGGAIZAIJINSI24V。

体球网RUGUOCELIANGJIEGUOSHIBUQUEDINGDE,JIUJINXINGTIDAICESHI。

体球网2.1 DUANKAIZHUANGZHIHUILUDIANYUAN

体球网2.2 JIANGHUILUXIAOZHUNQIHUOGUOCHENGBIAODE24VHUILUGONGDIANDUANLIANJIEZAIZHEGEWEIZHI

体球网2.3 RUGUOCISHIWENTIDEDAOJIEJUE,NEIMEZHUANGZHIDEHUILUDIANYUANKENENGYOUQUEXIANHUOZHECUNZAIGUOZAI

4-20mA控制回路故障解決方案

SI. XIANLUZAOSHENGPAIZHANG

体球网XIANLUZAOSHENGCHANSHENGDEYUANYINJUEYUANXINGNENGCHA、DIANLANPINGBIGUZHANG、JIEDIHUILUGUZHANG、LINJIEDIANYUANGONGDIAN、BUXIANCUOWUDENG。

ZAOSHENGXINHAODEBUZHUOHEQUERENKEYITONGGUODAIWANYONGBIAOGONGNENGDEGUOCHENGDUOYONGBIAO,HUOZHEWANYONGBIAO、SHOUCHISHISHIBOBIAODENGSHEBEILAICHAZHAOXITONGZHONGSHIFOUCUNZAIJIAOLIUXINHAO。

体球网ZAIZHENGCHANGQINGKUANGXIA,XITONGZHONGYINGGAIZHIYOUSHAOLIANGDEmVJIDEJIAOLIUDIANYACUNZAI。

4-20mA控制回路故障解決方案

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