D81VW001C4NJW暗電流;當(dāng)有光照時(shí)，載流子被激發(fā)，產(chǎn)生電子-空穴，稱(chēng)為光電載流子。
此外，光電傳感器的結(jié)構(gòu)元件中還有發(fā)射板和光導(dǎo)纖維。角反射板是結(jié)構(gòu)牢固的發(fā)射裝置，它由很小的三角錐體反射材料組成，能夠使光束準(zhǔn)確地從反射板中返回。D81VW004C1NTW3A
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它可以在與光軸0到25的范圍改變發(fā)射角，使光束幾乎是從一根發(fā)射線，經(jīng)過(guò)反射后，仍從這根反射線返回。[2] 把一個(gè)光發(fā)射器和一個(gè)接收器面對(duì)面地裝在一個(gè)槽的兩側(cè)的是槽形光電。發(fā)光器能發(fā)出紅外光或可見(jiàn)光，在無(wú)阻情況下光接收器能收到光。DHU-0713/WP-X24DC (+帶燈插頭), 換向閥
DHU-0713-00 20, 換向閥
DHU-0713-X 00 20, 換向閥
DG4V-3-2A-M-U-H7-60, 換向閥
DHU-0713-X 24DC 20, 換向閥
DHU-0714-X24DC, 換向閥
DHU-0750/2/FI/NC-X 24DC 20, 換向閥
DHU-0751/2P-X 24DC(DPHU-3751/2的導(dǎo)閥), 換向閥
DHU-0751/2-SP667 24DC, 換向閥
DHU-0752/2-X 24DC 21, 換向閥
DHE-0639/C-X24DC, 換向閥
DG4V-3-2N-M-U-H7-60, 換向閥
DHE-0710/2-SP667-24DC, 換向閥
DHE-1710/2-SP667-24DC, 換向閥
DHE-1711/2-SP667-24DC, 換向閥
DHE-1713/2-SP667-24DC, 換向閥
DKE-16/2/A 220DC, 換向閥
DG4V-3-6C-M-U-D-40, 換向閥
DKE-1610 DC 10 24V, 換向閥
DKE-1610-00-DC 10, 換向閥
DKE-1611 X 24DC, 換向閥
DKE-1611/3/AFI/NO-X 24DC, 換向閥
CG5V-6GW-D-M-U-H5-20, 換向閥
DKE-1611/3/AFI/NO-X 24DC 10, 換向閥
DKE-1611/AFI/NC-X 24DC 10, 換向閥
DKE-1611-00-DC 10, 換向閥
DKE-1611-X, 換向閥
DKE-1611-X 24DC, 換向閥
DG5V-7-6C-M-U-H7-30, 換向閥
DKE-1611X230AC, 換向閥
DKE-1611X230AC, 換向閥
但當(dāng)被檢測(cè)物體從槽中通過(guò)時(shí)，光被遮擋，光電開(kāi)關(guān)便動(dòng)作。輸出一個(gè)開(kāi)關(guān)控制信號(hào)，切斷或接通負(fù)載電流，A2F0107/61R-PAB05
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A2FO10/61R-VAB06            A2FO10/61R-VAB06
A2FO12/61R-PBB06            A2FO12/61L-VPB06
A2FO16/61L-PAB06            A2FO160/61L-VZB05
A2FO23/61R-PPB05            A2FO23/61R-VBB05 
A2FO28/61R-PPB05            A2FO28/61R-VZB05
A2FO32/61R-VBB05            A2FO32/61L-VAB05
A2FO45/61R-PZB05            A2FO45/61R-VPB05
A2FO56/61R-PPB05            A2FO56/61R-VPB05
A2FO63/61R-VBB05            A2FO63/61L-VBB05
A2FO80/61R-PPB05            A2FO80/61R-VPB05
A2FO90/61R-PBB05            A2FO90/61R-VBB05
A2FO107/61R-PPB05           A2FO107/61R-VPB05
A2FO125/61R-PAB05           A2FO125/61R-VBB05
A2FO160/61L-VZB05           A2FO160/61R-PAB05
A2FO200/63R-NBB05           A2FO200/63R-VPB05