SD 系列的(de)智(zhi)能變(bian)(bian)(bian)送(song)器(qi)(qi)由(you)(you)一(yi)個硬接線的(de)“集(ji)成”測(ce)量探(tan)頭和(he)(he)它自己的(de)電(dian)(dian)子(zi)(zi)(zi)變(bian)(bian)(bian)送(song)器(qi)(qi)組成。測(ce)量探(tan)頭在保(bao)護(hu)罩下包(bao)(bao)含(han)一(yi)個電(dian)(dian)容(rong)吸附式濕度傳(chuan)感器(qi)(qi)和(he)(he)一(yi)個電(dian)(dian)阻溫度傳(chuan)感器(qi)(qi),探(tan)頭主體包(bao)(bao)含(han)一(yi)個混合集(ji)成電(dian)(dian)路,將(jiang)(jiang)傳(chuan)感器(qi)(qi)電(dian)(dian)容(rong)和(he)(he)電(dian)(dian)阻的(de)變(bian)(bian)(bian)化轉換為(wei)頻率信(xin)號(hao)。然后這些由(you)(you)智(zhi)能轉換器(qi)(qi)中(zhong)的(de)微(wei)處理器(qi)(qi)編程(cheng),隨后根據(ju)(ju) RS 485 標準轉換為(wei)數據(ju)(ju)信(xin)號(hao)。數據(ju)(ju)已經對(dui)應(ying)于(yu)測(ce)量和(he)(he)計(ji)算(suan)的(de)濕度值。對(dui)于(yu)模擬輸出,來自處理器(qi)(qi)的(de)數據(ju)(ju)信(xin)號(hao)通過以下方式進一(yi)步(bu)處理16 位 D/A 轉換器(qi)(qi)轉換成統(tong)一(yi)的(de)電(dian)(dian)流信(xin)號(hao) 0 /4...20mA 或(huo)格(ge)式為(wei) 0...5V 或(huo) 10V 的(de)電(dian)(dian)壓信(xin)號(hao)(可根據(ju)(ju)要求(qiu)提供 0...1V 或(huo) 2V)。由(you)(you)內部轉換器(qi)(qi)電(dian)(dian)源供電(dian)(dian),該電(dian)(dian)源將(jiang)(jiang)輸出信(xin)號(hao)與外部直流電(dian)(dian)源電(dian)(dian)隔離。電(dian)(dian)壓范圍為(wei) 9...40V DC。智(zhi)能變(bian)(bian)(bian)送(song)器(qi)(qi)有一(yi)個堅固的(de)盒子(zi)(zi)(zi),蓋子(zi)(zi)(zi)由(you)(you) ABS 塑料制成,并保(bao)證電(dian)(dian)子(zi)(zi)(zi)設備的(de)防護(hu)等級達到 IP 65。
一般規格:
0...5/10V 至電阻min 10 kΩ
0/4...20mA 至電阻max 500Ω
Copyright© 2013-2023 上海連航機電科技有限公司 版權所有
地址:上海市寶山區滬太路1866號諾誠M7創意園B區211
電話 (Tel.):400-135-1288 傳真 (Fax):400-135-1288 郵箱 (E-mail):
 
|
掃(sao)描微(wei)信二(er)維碼關(guan)注我們