產(chǎn)品名稱(chēng):WP-9000系列無(wú)源·熱電偶溫度變送器(輸出環(huán)路供電)
產(chǎn)品型號(hào):WP-9062
儀器類(lèi)別:wp 安全柵及轉(zhuǎn)換器
產(chǎn)品簡(jiǎn)介:
WP-9000系列無(wú)源·熱電偶溫度變送器(輸出
環(huán)路供電),將現(xiàn)場(chǎng)二線(xiàn)制熱電偶信號(hào)隔離轉(zhuǎn)換成所
需的直流信號(hào)(與溫度成線(xiàn)性)輸出。主要用于具備
輸入回路供電的DCS、PLC系統(tǒng)。
本溫度變送器為回路供電方式,輸入回路-輸出
回路之間電磁隔離。
◆ 特性
● 二線(xiàn)制各型熱電偶(或毫伏)信號(hào)輸入隔離轉(zhuǎn)換。
● 與溫度成線(xiàn)性化的隔離輸出(4~20)mA。
● 具有冷端自動(dòng)補(bǔ)償功能。
● 回路供電(12~28)VDC 。
● 即插即拔式接線(xiàn)端子,DIN導(dǎo)軌卡式安裝。
主要技術(shù)參數(shù):
● 工作電源
輸出回路供電:(12~28)VDC
● 輸入信號(hào)
輸入通道:端子 1-、 2+ 接線(xiàn)
輸入類(lèi)型:熱電偶 K、E、S、B、R、T、N、W、毫
伏信號(hào)
輸入電阻:≥ 20KΩ
冷端溫度補(bǔ)償范圍:(-15~+75)℃
冷端溫度補(bǔ)償誤差:每 20℃變化誤差 ±1℃
● 輸出信號(hào)
輸出通道:端子 11-、 12+ 接線(xiàn)
輸出電流(Io):(4~20)mA
輸出回路供電電壓(Ue):(12~28)VDC
最小工作電壓(Ui):12VDC
輸出負(fù)載電阻:RL≤(Ue-Ui)/0.02
熱電偶輸入斷線(xiàn)報(bào)警:低電流≤3.5mA;高電流≥22mA
紋波(Vp-p):<10mV
● 性能指標(biāo)
標(biāo)準(zhǔn)精度:±0.5%FS
溫度漂移:±0.015%/℃
響應(yīng)時(shí)間:≤1s(10→90)%
穩(wěn)定時(shí)間:≤3s
絕緣電阻:≥100MΩ/500VDC(AC)
隔離能力:1500VAC/1 分鐘 50Hz
抗電磁兼容性:符合 IEC 61000 相關(guān)抗電磁標(biāo)準(zhǔn)
● 環(huán)境參數(shù)
工作溫度:(-20~+60)℃
儲(chǔ)存溫度:(-40~+80)℃
環(huán)境濕度:(5~+95)%RH (無(wú)冷凝)
● 結(jié)構(gòu)
卡裝式;模塊化表芯;ABS 材質(zhì)機(jī)殼;拔插式端子
整機(jī)重量:約110g
◆ 外形尺寸
外形尺寸:寬×高×深=16×116×110(mm)
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