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智能紅外傳感器外文翻譯-wenkub

2023-05-19 00:45:58 本頁面
 

【正文】 must be fully customizable. Because smart sensors contain EPROMs (erasable programmable read only memory), users can reprogram them to meet their specific process requirements using field calibration, diagnostics, and/or utility software from the sensor manufacturer. Another benefit of owning a smart sensor is that its firmware, the software embedded in its chips, can be upgraded via the munications link to revisions as they bee available—without removing the sensor from the process line. Firmware upgrades extend the working life of a sensor and can actually make a smart sensor smarter. The Raytek Marathon Series is a full line of 1 and 2color ratio IR thermometers that can be worked with up to 32 smart sensors. Available models include both integrated units and fiberoptic sensors with electronic enclosures that can be mounted away from high ambient temperatures. (see Photo 1). Clicking on a sensor window displays the configuration settings for that particular sensor. The Windows graphical interface is intuitive and easy to use. In the configuration screen, process engineers can monitor current sensor settings, adjust them to meet their needs, or reset the sensor back to the factory defaults. All the displayed information es from the sensor by way of the RS485 or RS232 serial connection. The first two columns are for user input. The third monitors the sensor’s parameters in real time. Some parameters can be changed through other screens, custom programming, and direct PCtosensor mands. Parameters that can be changed by user input include the following: ? Relay contact can be set to NO (normally open) or NC (normally closed). ? Relay function can be set to alarm or setpoint. ? Temperature units can be changed from degrees Celsius to degrees Fahrenheit, or vice versa. ? Display and analog output mode can be changed for smart sensors that have bined one and twocolor capabilities. ? Laser (if the sensor is equipped with laser aiming) can be turned on or off. ? Milliamp output settings and range can be used as automatic process triggers or alarms. ? Emissivity (for onecolor) or slope (for twocolor) ratio thermometers values can be set. Emissivity and slope values for mon metal and nonmetal materials, and instructions on how to determine emissivity and slope, are usually included with sensors. ? Signal processing defines the temperature parameters returned. Average returns an object’s average temperature over a period of time。紅外傳感器具有可調(diào)發(fā)射率設(shè)定,通常是從 到 ,使準(zhǔn)確的測(cè)量的幾個(gè)表 面類型的溫度。更廣泛的光譜范圍內(nèi)用來衡量溫度較低的表面,如紙、紙板、聚、和鋁箔復(fù)合材料。因?yàn)槊恳粋€(gè)對(duì)象(除黑體)排放量的最佳紅外能量在某一特定點(diǎn)沿線的紅外波段,每個(gè)過程可能需要獨(dú)特的傳感器模型與具體的 光學(xué)和探測(cè)器類型。 紅外線( IR )輻射是電磁波譜,其中包括無線電波、微波、可見光和紫外線,以及伽馬射線和 X 射線。他們現(xiàn)在可以配置盡可能多的傳感器來滿足他們特殊控制過程的需要并且延長(zhǎng)這些傳感器壽命,遠(yuǎn)遠(yuǎn)超出先前的 “不聰明 ”的設(shè)計(jì)。三點(diǎn)校準(zhǔn)和多單雙點(diǎn)相比不太常見,但偶爾制造商需要執(zhí)行此技術(shù),以滿足特定的標(biāo)準(zhǔn)。這種技術(shù)使用校準(zhǔn)溫度來計(jì)算增益和偏移是適用于所有在整個(gè)溫度范圍內(nèi)的溫度。這個(gè)偏移將適用于所有溫度在整個(gè)溫度范圍內(nèi)工作。簡(jiǎn)單易于使用的數(shù)據(jù)采集、配置和實(shí)用程序通常是智能傳感器套件購(gòu)買時(shí)的 一部分,或自定義的軟件都可以使用。一個(gè)壁紙制造商可 能需要一系列的傳感器編程來檢查休息和眼淚沿著整個(gè)新聞界和涂層運(yùn)行,但每個(gè)地區(qū)都有不同的環(huán)境和地表溫度,如果發(fā)現(xiàn)表面的不正?,F(xiàn)象,每個(gè)傳感器必須觸發(fā)警報(bào)。有些程序使用 RS 232 接口通信,但電纜的長(zhǎng)度限制到 100 英尺。該傳感器可安排在多點(diǎn)或點(diǎn)對(duì)點(diǎn)配置,或者只是簡(jiǎn)單的獨(dú)立。各地的傳 感器測(cè)量的溫度都可以以調(diào)查的數(shù)據(jù)單獨(dú)或季度的繪制成圖表,便于監(jiān)測(cè)和溫度數(shù)據(jù)過程的存檔。 95%以上可以默默無聞的觸發(fā)一個(gè)自動(dòng)關(guān)機(jī)的進(jìn)程。 ?信號(hào)處理定義的溫度參數(shù)返回,平均返回一個(gè)對(duì)象的平均氣溫在一段時(shí)間內(nèi) 。 ?激光(如傳感器配有激光瞄準(zhǔn))可以開啟或關(guān)閉。參數(shù)可以被用戶通過以下方面來改變輸入: ?繼電器觸點(diǎn)可設(shè)定為 NO (常開)或數(shù)控(通常關(guān)閉)。 Windows 圖形界面直觀,易于使用。固件升級(jí)可智能紅外傳感器 2 以延長(zhǎng)一個(gè)傳感器的工作壽命,可以真正的使一個(gè)智能傳感器智能化。如果烤爐或冷卻器失敗了,音響和 LO 警報(bào)信號(hào)還可以指出哪里有問題并且關(guān)閉生產(chǎn)線。一旦傳感器被安裝在生產(chǎn)線,工程師就可以根據(jù)其所有參數(shù)來適應(yīng)不斷變化的條件,一切都只是從控制室 中的個(gè)人電腦。例如,某些傳感器的鍍鋅鐵絲廠用了安裝了大桶的熔融鉛、鋅、和 /或鹽酸并且可以毫不費(fèi)力的從狹窄小道流出來。 1 集成智能傳感器到過程線 同時(shí)廣泛推行的智能紅外傳感器是新的,紅外測(cè)溫已成功地應(yīng)用于過程監(jiān)測(cè)和控制幾十年了。這些文書被稱為智能傳感器,因?yàn)樗麄儼盐⑻幚砥髯鳛榫幊痰碾p向收發(fā) 器。再加上為了保持目前迅速變化的監(jiān)測(cè)和控制方法的過程的要求,所以這項(xiàng)任務(wù)已變得相當(dāng)迫切。然而,紅外溫度傳感器制造商正在為用戶提供所需的工具來應(yīng)付這些挑戰(zhàn):最新的計(jì)算機(jī)相關(guān)的硬件、軟件和通信設(shè)備,以及最先進(jìn)的數(shù)字電路。傳感器之間的串行通信的生產(chǎn)車間和計(jì)算機(jī)控制室。在過去,如果工藝工程師需要改變傳感器的設(shè)置,它們將不得不關(guān)閉或者刪除線傳感器或嘗試手動(dòng)重置到位。從安全利益考慮,生產(chǎn)線將不得不關(guān)閉,并且至少在降溫 24 小時(shí)之前改變和升級(jí)傳感器。舉例來說,如果環(huán)境溫度的
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