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6ES5928-3UA11造?；瑒颖O(jiān)測儀表選用德愛福門(ifm)monitor fs-2控制儀表，計(jì)數(shù)頻率高達(dá)400hz(脈沖長度*小值》1.2ms)，掃描速度非常快，與現(xiàn)在工控主流大型控制器相比有很大的優(yōu)勢，例如plc的掃描速度為一般為650ms/次，*快達(dá)到50ms/次，dcs掃描速度一般為1秒/次，*快為200ms/次。所以高速旋轉(zhuǎn)的電機(jī)速度測量不能用plc和dcs。以單片機(jī)為核心的控制儀表非常適合高速運(yùn)行電機(jī)速度的測量。ifm電感式接近開關(guān)可靠性高、抗干擾能力強(qiáng)、測量速度快。與機(jī)械開關(guān)相比，電感式傳感器具有的先決條件：無接觸和無磨損的工作方式及高的開關(guān)頻率和開關(guān)精度。此外，它們抗震蕩、防止灰塵和潮濕。電感式傳感器可以無接觸地檢測所有的金屬。
廈門岳航計(jì)算機(jī)工程有限公司
聯(lián)系人：李素云
企業(yè)QQ：2851195446，2851195466
手機(jī)：18965423501
座機(jī)：0592-5165501
4 滑動檢測過程
在機(jī)組開機(jī)后，儀表電磁閥通電，儀表動力風(fēng)推動摩擦離合器結(jié)合。電機(jī)啟動運(yùn)行，并傳動螺桿壓縮機(jī)運(yùn)行?；瑒訖z測儀表及時監(jiān)測主電機(jī)及螺桿壓縮機(jī)連軸的同速轉(zhuǎn)動情況，并把控制節(jié)點(diǎn)信號輸入plc做停機(jī)條件。造粒主電機(jī)轉(zhuǎn)數(shù)一般為1000prm/m，即為33個脈沖/秒(一個軸上兩個檢測塊)，儀表時刻檢測離合器兩側(cè)的轉(zhuǎn)數(shù)，當(dāng)兩側(cè)脈沖信號差每秒大于7個的時候，控制儀表節(jié)點(diǎn)斷開，輸入plc的信號消失，造粒機(jī)組連鎖停車。在檢測過程中，儀表能同時顯示電機(jī)側(cè)和螺桿壓縮機(jī)連軸側(cè)的轉(zhuǎn)數(shù)。并能按儀表掃面速度及時刷新。
Box of 10 New Legris Connectic 3175 60 18 Quick-Connect Male Connectors 3/8"
New Lot of 2 SMC KV2L11-36S Pneumatic Fittings DOT-A Elbow, 3/8" Tubing, 3/8"NPT
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Numatics 1500D03-02A-03 Pneumatic Cylinder, 1.5" Bore, 2" Stroke
SMC NCDGLN25-1100 Pneumatic Cylinder 1" Bore, 11" Stroke, 145PSI
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New SMC NCQ2WB32-15DA Dual Rod Compact Pneumatic Cylinder 32mm Bore 15mm Stroke
Lot of 2 New SMC NCQ2WB32-15-DA Compact Pneumatic Double Rod Cylinder 32mm Bore
New Air-Mite V4304-3P 4-Way Valve 3/8" NPT Ports Spring Return to Center
New SMC AL30-N03B-6Z Pneumatic Modular Lubricator, 3/8"NPT, Nylon Bowl
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39RTMCAN
39VIMCBN
39VIMCCN
39VIMNBN
505-4232A
505-4732
505-6108A
531X307LTBAJG1
549-214
6DD1640-0AC0
6DD1642-0BC0
6DD1660-0AE0
6DD1681-0EK1
6ES5491-0LB11
6ES5928-3UA11
6ES7414-2XG03-0AB0
6GT2002-0AA00
C98043-A1682-L1
DS3810MMBB1A1A
IC693CHS391
IC693CHS392
PS02-3001V5.00
New SMC NARM2500-A-N02-X216 Pneumatic Regulator 1/4" Ports 0.05 to 0.85MPa
New SMC NCDMB150-0100 Pneumatic Cylinder 1 1/2" Bore 1" Stroke 250PSI 1.7MPa
New NoShok 25-120-60-PSI/KPA Pneumatic Pressure Dial 2 1/2" Diameter 0 to 60 PSI
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New Lot of 3 SMC KQ2T11-13 Pneumatic union Tee Fittings, One-Touch 1/2" Tubing
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