SC 系列(lie)的(de)(de)智能微處理(li)器(qi)轉(zhuan)(zhuan)(zhuan)(zhuan)換(huan)(huan)(huan)器(qi)與(yu)電(dian)(dian)纜連(lian)接(jie)的(de)(de)外部(bu)測量(liang)(liang)探頭(tou)一(yi)起構(gou)成(cheng)一(yi)個(ge)(ge)(ge)(ge)測量(liang)(liang)裝置(zhi)。換(huan)(huan)(huan)能器(qi)和探頭(tou)序(xu)列(lie)號(hao)(hao)(hao)(hao)相同,測量(liang)(liang)探頭(tou)在(zai)保(bao)護(hu)罩下包含(han)一(yi)個(ge)(ge)(ge)(ge)電(dian)(dian)容式吸附式濕(shi)度傳(chuan)感(gan)器(qi)和一(yi)個(ge)(ge)(ge)(ge)電(dian)(dian)阻式溫度傳(chuan)感(gan)器(qi)。在(zai)探頭(tou)的(de)(de)主體中,有一(yi)個(ge)(ge)(ge)(ge)混合(he)集(ji)成(cheng)電(dian)(dian)路,用于(yu)將傳(chuan)感(gan)器(qi)的(de)(de)容量(liang)(liang)和電(dian)(dian)阻變化轉(zhuan)(zhuan)(zhuan)(zhuan)換(huan)(huan)(huan)為(wei)頻率信(xin)號(hao)(hao)(hao)(hao)。然后通過微處理(li)器(qi)在(zai)智能轉(zhuan)(zhuan)(zhuan)(zhuan)換(huan)(huan)(huan)器(qi)中對(dui)其進行編程(cheng),隨(sui)后根(gen)據 RS 485 標(biao)準轉(zhuan)(zhuan)(zhuan)(zhuan)換(huan)(huan)(huan)為(wei)數(shu)據信(xin)號(hao)(hao)(hao)(hao)。數(shu)據已經與(yu)測量(liang)(liang)和計算的(de)(de)濕(shi)度值(zhi)相對(dui)應。對(dui)于(yu)所需的(de)(de)模擬輸出,來自(zi)處理(li)器(qi)的(de)(de)數(shu)據會被進一(yi)步(bu)處理(li)通過 16 位 D/A 轉(zhuan)(zhuan)(zhuan)(zhuan)換(huan)(huan)(huan)器(qi)轉(zhuan)(zhuan)(zhuan)(zhuan)換(huan)(huan)(huan)成(cheng)統(tong)一(yi)的(de)(de)電(dian)(dian)流信(xin)號(hao)(hao)(hao)(hao) 0 /4...20mA 或(huo) 0...5V 或(huo) 10V 格式的(de)(de)電(dian)(dian)壓信(xin)號(hao)(hao)(hao)(hao)(根(gen)據要求 0...1V 或(huo) 2V)。輸出信(xin)號(hao)(hao)(hao)(hao)和電(dian)(dian)源(yuan)(yuan)在(zai)SCKA版本連(lian)接(jie)到(dao)設(she)(she)備(bei)插頭(tou) - 連(lian)接(jie)器(qi)類型 CONTACT STA 6FL。轉(zhuan)(zhuan)(zhuan)(zhuan)換(huan)(huan)(huan)器(qi)的(de)(de)智能電(dian)(dian)子(zi)設(she)(she)備(bei)由內(nei)部(bu)轉(zhuan)(zhuan)(zhuan)(zhuan)換(huan)(huan)(huan)器(qi)電(dian)(dian)源(yuan)(yuan)供電(dian)(dian),該電(dian)(dian)源(yuan)(yuan)將輸出信(xin)號(hao)(hao)(hao)(hao)與(yu)外部(bu)直流電(dian)(dian)源(yuan)(yuan)電(dian)(dian)隔離。電(dian)(dian)源(yuan)(yuan)電(dian)(dian)壓可以在(zai) 9...40V DC 之間變化。智能轉(zhuan)(zhuan)(zhuan)(zhuan)換(huan)(huan)(huan)器(qi)有一(yi)個(ge)(ge)(ge)(ge)堅固的(de)(de)盒子(zi),蓋子(zi)由 ABS 塑料制成(cheng),并保(bao)證對(dui)電(dian)(dian)子(zi)設(she)(she)備(bei)的(de)(de)保(bao)護(hu)達到(dao) IP 65 級別。
一般規格:
0...5/10V 至min電(dian)阻 10 kΩ
0/4...20mA 至(zhi)max電(dian)阻 500Ω
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