*EDS系列HYDAC壓力繼電器

HYDAC壓力(li)(li)繼(ji)(ji)電器(qi)(qi)必須(xu)放(fang)在壓力(li)(li)有(you)明(ming)顯變化的地方(fang)才能輸出(chu)(chu)電信號。若將壓力(li)(li)繼(ji)(ji)電器(qi)(qi)放(fang)在回油(you)路上，由于回油(you)路直接接回油(you)箱，壓力(li)(li)也(ye)沒有(you)變化，所以壓力(li)(li)繼(ji)(ji)電器(qi)(qi)也(ye)不會工(gong)作。EDS系列HYDAC壓力(li)(li)繼(ji)(ji)電器(qi)(qi)可以感知系統(tong)的壓力(li)(li)，并且(qie)發(fa)出(chu)(chu)開關(guan)信號。壓力(li)(li)到了，常(chang)開觸點(dian)閉合，常(chang)閉觸點(dian)打開。我們(men)便可以在程序(xu)上加以利用。

EDS系(xi)列HYDAC壓力(li)繼(ji)電(dian)(dian)(dian)器(qi)其(qi)(qi)實(shi)用(yong)于控制執行元(yuan)件(jian)的順序動(dong)作(zuo)時(shi)，液壓泵啟動(dong)后，首先2YA通(tong)電(dian)(dian)(dian)，液壓缸(gang)(gang)(gang)左腔(qiang)進油(you)，推動(dong)活塞(sai)方向右(you)(you)移(yi)，當碰(peng)到限位(wei)器(qi)(或死擋鐵)后，系(xi)流(liu)量閥(fa)統壓力(li)升高(gao)，壓力(li)繼(ji)電(dian)(dian)(dian)器(qi)發出(chu)電(dian)(dian)(dian)信號，使(shi)1YA通(tong)電(dian)(dian)(dian)，高(gao)壓油(you)進入液壓缸(gang)(gang)(gang)的左腔(qiang)，推動(dong)活塞(sai)右(you)(you)移(yi)，這時(shi)若3YA也通(tong)電(dian)(dian)(dian)，液壓缸(gang)(gang)(gang)的活塞(sai)快(kuai)速右(you)(you)移(yi)，若3YA斷電(dian)(dian)(dian)，則液壓缸(gang)(gang)(gang)的活塞(sai)慢速右(you)(you)移(yi)，其(qi)(qi)慢速運(yun)動(dong)速度由節流(liu)閥(fa)調節。

HYDAC壓力繼電器EDS系列的(de)主要參數(shu)：

1，額定(ding)工(gong)作(zuo)電(dian)(dian)壓(ya)，是(shi)指繼電(dian)(dian)器正常工(gong)作(zuo)時線圈所需要的(de)電(dian)(dian)壓(ya)，也就是(shi)控制電(dian)(dian)路的(de)控制電(dian)(dian)壓(ya)，根據繼電(dian)(dian)器的(de)型號不(bu)同，可以是(shi)交流(liu)電(dian)(dian)壓(ya)，也可以是(shi)直流(liu)電(dian)(dian)壓(ya)。

2，直(zhi)流(liu)電(dian)(dian)阻，是指(zhi)繼電(dian)(dian)器中線(xian)圈(quan)的直(zhi)流(liu)電(dian)(dian)阻，可以通過(guo)萬能表測(ce)量。

3，吸合電(dian)(dian)(dian)流(liu)，是(shi)指繼(ji)電(dian)(dian)(dian)器(qi)能夠(gou)產生吸合動作(zuo)的(de)最小電(dian)(dian)(dian)流(liu)，在正常使用時(shi)，給定(ding)的(de)電(dian)(dian)(dian)流(liu)必須略齒輪流(liu)量分(fen)配器(qi)大于吸合電(dian)(dian)(dian)流(liu)，這樣繼(ji)電(dian)(dian)(dian)器(qi)才能穩定(ding)地工作(zuo)，而(er)對于線圈所加的(de)工作(zuo)電(dian)(dian)(dian)壓(ya)，一般不(bu)要超過額定(ding)工作(zuo)電(dian)(dian)(dian)壓(ya)的(de)1.5倍，否則(ze)會產生較大的(de)電(dian)(dian)(dian)流(liu)而(er)把線圈燒毀。

4，釋放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)流是指繼電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)產生釋放(fang)動作的最大電(dian)(dian)(dian)(dian)(dian)(dian)流，當繼電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)吸合(he)狀態的電(dian)(dian)(dian)(dian)(dian)(dian)流減小到(dao)一(yi)定(ding)程度(du)時，繼電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)就會(hui)恢(hui)復(fu)到(dao)未通電(dian)(dian)(dian)(dian)(dian)(dian)的釋放(fang)狀態，這時的電(dian)(dian)(dian)(dian)(dian)(dian)流遠(yuan)遠(yuan)小于吸合(he)電(dian)(dian)(dian)(dian)(dian)(dian)流。

5，壓力繼(ji)(ji)電器觸(chu)點切換電壓和(he)電流是指繼(ji)(ji)電器允(yun)許加載的(de)電壓和(he)電流，它決定(ding)了繼(ji)(ji)電器能控制(zhi)電壓和(he)電流的(de)大(da)小，使用時不能超過此(ci)值，否則很容易損壞(huai)繼(ji)(ji)電器的(de)觸(chu)點。

*EDS系列HYDAC壓力繼電器型號如下：

EDS344-2-016-000

EDS344-2-040-000

EDS344-2-100-000

EDS344-2-250-000

EDS344-2-400-000

EDS344-2-600-000

EDS344-3-016-000

EDS344-3-040-000

EDS344-3-100-000

EDS344-3-250-000

EDS344-3-400-000

EDS344-3-600-000

EDS345-1-016-000

EDS345-1-040-000

EDS345-1-100-000

EDS345-1-250-000

EDS345-1-400-000

EDS345-1-600-000

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