精(jing)耐(nai)儀(yi)表(biao)---專(zhuan)業(yè)(ye)生產(chǎn)高(gao)低(di)壓模(mo)塊(kuai)產(chǎn)品(pin),隔(ge)爆(bao)、本(ben)安(an)模(mo)塊(kuai),多路(lu)輸(shu)入輸(shu)出模(mo)塊(kuai),毫(hao)安(an)輸(shu)入、輸(shu)出,
JN-DFA-H系(xi)列(lie)隔(ge)離(li)安(an)全柵概(gai)述(shu)
隔(ge)離(li)安(an)全柵向(xiang)危(wei)險(xian)區(qū)(qu)的變(bian)送器(qi)提供(gong)隔(ge)離(li)的工(gong)作電(dian)源(yuan),同時檢(jian)測(ce)回(hui)路(lu)中(zhong)的電(dian)流(liu),經(jīng)隔(ge)離(li)變(bian)送(song)輸(shu)出電(dian)流(liu)或(huo)電(dian)壓(ya)信號到(dao)安全區(qū)(qu)。輸(shu)入端(duan)、輸(shu)出端及(ji)電(dian)源(yuan)端三(san)端(duan)隔(ge)離(li),具(ju)有響應(yīng)(ying)快、能(neng)耗低(di)、溫度主(zhu)要(yao)特(te)性(xing)好(hao)等優(yōu)(you)點(dian)。精(jing)耐(nai)儀表(biao)(江(jiang)蘇)有限(xian)公(gong)司生產(chǎn)的安(an)全柵,可連(lian)接(jie)的設(shè)(she)備(bei)有二線(xian)制(zhi)、三(san)線(xian)制(zhi)變送(song)器(qi),電(dian)流(liu)源;可連(lian)接(jie)設(shè)(she)備(bei)的場(chang)合:0區(qū)、1區(qū)(qu)、2區(qū)(qu);ⅡA、ⅡB、 ⅡC;T4~T6危(wei)險(xian)區(qū)(qu)。
JN-DFA-H系(xi)列(lie)隔(ge)離(li)安(an)全柵特(te)點(dian)
三(san)端(duan)隔(ge)離(li)
二(er)線(xian)制(zhi)/三(san)線(xian)制(zhi)變送(song)器(qi)、電(dian)流(liu)源信(xin)號輸(shu)入
響應(yīng)(ying)時間:0.2ms
防(fang)爆(bao)等級:ExiaⅡC
輸(shu)入信(xin)號:4mA~20mA
輸(shu)出信號(hao):4mA~20mA(其它(ta)輸(shu)入信(xin)號類型(xing)請訂(ding)貨(huo)時說明(ming))
JN-DFA-H系(xi)列(lie)隔(ge)離(li)安(an)全柵技(ji)術(shù)(shu)指標(biāo)
1.防(fang)爆(bao)標(biāo)(biao)誌(zhi):[Exia]ⅡC
2.危(wei)險(xian)區(qū)(qu)允許輸(shu)入信(xin)號:電(dian)流(liu)信號(hao)
3.輸(shu)入阻(zu)抗:約(yue)80Ω
4.可向安(an)全區(qū)(qu)輸(shu)出信號(hao):電(dian)流(liu):0(4)mA~20mA; 0mA~10mA;電(dian)壓(ya):0(1)V~5V; 0V~10V
5.輸(shu)出負(fù)載能(neng)力:0(4)mA~20mA:≤300Ω; 0mA~10mA:≤600Ω;0(1)V~5V:≥1MΩ; 0V~10V:≥2MΩ
6.配(pei)電(dian)輸(shu)出電(dian)壓(ya):開路(lu)電(dian)壓(ya)≤24V,滿(man)載20mA 輸(shu)出時電(dian)壓(ya)≥15.5V
7.隔(ge)離(li)傳輸(shu)準(zhǔn)(zhun)確(que)度:±0.2%F.S(25℃±2℃) ±0.1%F.S需(xu)定制(zhi)(25℃±2℃)
8.溫度漂移(yi):<30ppm/℃
9.響應(yīng)(ying)時間:≤0.5s
10.介(jie)電(dian)強度:≥2500V AC(輸(shu)入/輸(shu)出/電(dian)源(yuan)之(zhi)間,漏電(dian)流(liu)1mA,測試(shi)時(shi)間1min)
11.絕(jue)緣(yuan)電(dian)阻(zu):≥100MΩ(輸(shu)入/輸(shu)出/電(dian)源(yuan)之(zhi)間)
12.電(dian)磁(ci)兼容:EMC符(fu)合IEC61000—4
13.電(dian) 源(yuan):直(zhi)流(liu)18~32V(典(dian)型(xing)值24V DC)
相(xiang)關(guān)(guan)產(chǎn)品(pin)
通(tong)用型(xing)隔(ge)離(li)器(qi)
智(zhi)能(neng)型(xing)隔(ge)離(li)器(qi)
液(ye)晶型(xing)隔(ge)離(li)器(qi)
輸(shu)入回(hui)路(lu)供(gong)電(dian)隔(ge)離(li)器(qi)
輸(shu)出回(hui)路(lu)供(gong)電(dian)隔(ge)離(li)器(qi)
熱電(dian)偶安(an)全柵
熱電(dian)阻(zu)安全柵
電(dian)流(liu)安全柵