PILZ皮爾茲固態(tài)繼電器/東莞皮爾茲繼電器
pilz固態(tài)繼電器 pilz大功率繼電器 pilz小型繼電器 pilz計(jì)時(shí)器 pilz計(jì)數(shù)器 pilz繼電器等。
pilz繼電器實(shí)質(zhì)是一種傳遞信號(hào)的電器，它根據(jù)輸入的信號(hào)達(dá)到不同的控制目的。 pilz繼電器一般是用來(lái)接通和斷開(kāi)控制電器(電動(dòng)機(jī)) 如在直流電動(dòng)機(jī)里的電流繼電器，當(dāng)電流過(guò)小或過(guò)大時(shí)，它檢測(cè)到這種電流信號(hào)后便控制電動(dòng)機(jī)的啟停 還有如熱繼電器，如電動(dòng)機(jī)長(zhǎng)期過(guò)載而使溫度過(guò)高時(shí)，它便控制電動(dòng)機(jī)停止[編輯本段]繼電器的選擇按使用環(huán)境選型使用環(huán)境條件主要指溫度(zui大與zui小)、濕度(一般指40攝氏度下的zui大相對(duì)濕度)、低氣壓(使用高度1000米以下可不考慮)、振動(dòng)和沖擊。此外，尚有封裝方式、安裝方法、外形尺寸及絕緣性等要求。由于材料和結(jié)構(gòu)不同，pilz繼電器承受的環(huán)境力學(xué)條件各異，超過(guò)產(chǎn)品標(biāo)準(zhǔn)規(guī)定的環(huán)境力學(xué)條件下使用，有可能損壞繼電器，可按整機(jī)的環(huán)境力學(xué)條件或高一級(jí)的條件選用。對(duì)電磁干擾或射頻干擾比較敏感的裝置周圍，不要選用交流電激勵(lì)的繼電器。選用直流繼電器要選用帶線圈瞬態(tài)抑制電路的產(chǎn)品。那些用固態(tài)器件或電路提供激勵(lì)及對(duì)尖峰信號(hào)比較敏感地地方，也要選擇有瞬態(tài)抑制電路的產(chǎn)品。按輸入信號(hào)不同確定繼電器種類按輸入信號(hào)是電、溫度、時(shí)間、光信號(hào)確定選用電磁、溫度、時(shí)間、光電繼電器，這是沒(méi)有問(wèn)題的。這里特別說(shuō)明電壓、電流繼電器的選用。若整PILZ固態(tài)繼電器機(jī)供給繼電器線圈是恒定的電流應(yīng)選用電流繼電器，是恒定電壓值則選用電壓繼電器。輸入?yún)⒘康倪x定與用戶密切相關(guān)的輸入量是線圈工作電壓(或電流)，而吸合電壓(或電流)則是繼電器制造廠控制繼電器靈敏度并對(duì)其進(jìn)行判斷、考核的參數(shù)。對(duì)用戶來(lái)講，它只是一個(gè)工作下極限參數(shù)值。控制安全系數(shù)是工作電壓(電流)/吸合電壓(電流)，如果在吸合值下使用繼電器，是不可靠的、不安全的，環(huán)境溫度升高或處于振動(dòng)、沖擊條件下，將使繼電器工作不可靠。整機(jī)設(shè)計(jì)時(shí)，不能以空載電壓作為繼電器工作電壓依據(jù)，而應(yīng)將線圈接入作為負(fù)載來(lái)計(jì)算實(shí)際電壓，特別是電源內(nèi)阻大時(shí)更是如此。當(dāng)用三極管作為開(kāi)關(guān)元件控制線圈通斷時(shí)，三極管必須處于開(kāi)關(guān)狀態(tài)，對(duì)6VDC以下工作電壓的繼電器來(lái)講，還應(yīng)扣除三極管飽和壓降。當(dāng)然，并非工作值加得愈高愈好，超過(guò)額定工作值太高會(huì)增加銜鐵的沖擊磨損，增加觸點(diǎn)回跳次數(shù)，縮短電氣壽命，一般，工作值為吸合值的1.5倍，工作值的誤差一般為±10%。根據(jù)負(fù)載情況選擇繼電器觸點(diǎn)的種類和容量國(guó)內(nèi)外長(zhǎng)期實(shí)踐證明，約70%的故障發(fā)生在觸點(diǎn)上，這足見(jiàn)正確選擇和使用繼電器觸點(diǎn)非常重要。觸點(diǎn)組合形式和觸點(diǎn)組數(shù)應(yīng)根據(jù)被控回路實(shí)際情況確定。常用的觸點(diǎn)組合形式見(jiàn)表6。動(dòng)合觸點(diǎn)組和轉(zhuǎn)換觸點(diǎn)組中的動(dòng)合觸點(diǎn)對(duì)，由于接通時(shí)觸點(diǎn)回跳次數(shù)少和觸點(diǎn)燒蝕后補(bǔ)償量大，其負(fù)載能力和接觸可靠性較動(dòng)斷觸點(diǎn)組和轉(zhuǎn)換觸點(diǎn)組中的動(dòng)斷觸點(diǎn)對(duì)要高，整機(jī)線路可通過(guò)對(duì)觸點(diǎn)位置適當(dāng)調(diào)整，盡量多用動(dòng)合觸點(diǎn)。根據(jù)負(fù)載容量大小和負(fù)載性質(zhì)(阻性、感性、容性、燈載及馬達(dá)負(fù)載)確定參數(shù)十分重要。
773000D Configurator Software
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581250 SafetyEYE Configurator CD + Handbuch
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307445 Driver Update CD-Rom PX-PRO
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