光電開關(guān)工作原理
由振蕩回路產(chǎn)生的調(diào)制脈沖經(jīng)反射電路后，由發(fā)光管GL輻射出光脈沖。當(dāng)被測物體進(jìn)入受光器作用范圍時(shí)，被反射回來的光脈沖進(jìn)入光敏三極管DU。并在接收電路中將光脈沖解調(diào)為電脈沖信號(hào)，再經(jīng)放大器放大和同步選通整形，然后用數(shù)字積分或RC積分方式排除干擾，最后經(jīng)延時(shí)（或不延時(shí)）觸發(fā)驅(qū)動(dòng)器輸出光電開關(guān)控制信號(hào)。
光電開關(guān)一般都具有良好的回差特性，因而即使被檢測物在小范圍內(nèi)晃動(dòng)也不會(huì)影響驅(qū)動(dòng)器的輸出狀態(tài)，從而可使其保持在穩(wěn)定工作區(qū)。同時(shí)，自診斷系統(tǒng)還可以顯示受光狀態(tài)和穩(wěn)定工作區(qū)，以隨時(shí)監(jiān)視光電開關(guān)的工作。
光電開關(guān)的特點(diǎn)
MGK系列光電開關(guān)是現(xiàn)代微電子技術(shù)發(fā)展的產(chǎn)物，是HGK系列紅外光電開關(guān)的升級(jí)換代產(chǎn)品。與以往的光電開關(guān)相比具有自己顯著的特點(diǎn)：
具有自診斷穩(wěn)定工作區(qū)指示功能，可及時(shí)告知工作狀態(tài)是否可靠；
對(duì)射式、反射式、鏡面反射式光電開關(guān)都有防止相互干擾功能，安裝方便；
對(duì)ES外同步（外診斷）控制端的進(jìn)行設(shè)置可在運(yùn)行前預(yù)檢光電開關(guān)是否正常工作。并可隨時(shí)接受計(jì)算機(jī)或可編程控制器的中斷或檢測指令，外診斷與自診斷的適當(dāng)組合可使光電開關(guān)智能化；
響應(yīng)速度快，高速光電開關(guān)的響應(yīng)速度可達(dá)到0.1ms，每分鐘可進(jìn)行30萬次檢測操作，能檢出高速移動(dòng)的微小物體；
采用專用集成電路和先進(jìn)的SMT表面安裝工藝，具有很高的可靠性；
體積�。ㄗ钚H20×31×12mm）、重量輕，安裝調(diào)試簡單，并具有短路保護(hù)功能。
AW51B P61000436240 SUN
AW51B P61000436240 SUN
AW51B P62060176240 SUN
AW51B P62060176240 SUN
CDK0173WT
CM400YQ
CM400YQ
CM902WL
CM902WL
CP40B P0961BC
CP40B P0961BC
CP60 P0961FR
CP60 P0961FR
FB110E P0972AJ
FB110E P0972AJ
FBM01 P0400DA
FBM01 P0400DA
FBM02 P0400YC
FBM02 P0400YC
FBM03 P0400YD
FBM03 P0400YD
FBM04 P0400YE
FBM04 P0400YE
FBM05 P0400YF
FBM05 P0400YF
FBM06 P0400YG
FBM06 P0400YG
FBM07 CM400YH
FBM07 CM400YH
FBM08 CM400YJ
FBM08 CM400YJ
FBM09 P0400YK
FBM09 P0400YK
FBM10 CM400YL
FBM10 CM400YL
FBM11 CM400YM
FBM11 CM400YM
FBM12 CM400YN 黃頁 230啦
FBM12 CM400YN
FBM13 DM400YP
FBM13 DM400YP
FBM14 CM400YQ
FBM14 CM400YQ
FBM15 DM400YR
FBM15 DM400YR
FBM16 P0400YS
FBM16 P0400YS
FBM17 P0400YT
FBM17 P0400YT
FBM18 P0400YV
FBM18 P0400YV
FBM20 CM700QV
FBM20 CM700QV
FBM201
FBM201
FBM201 P0914SQ
FBM201 P0914SQ
FBM201 P0914SQ
FBM201
FBM201b
FBM201b P0922YH
FBM201b P0922YH
FBM201c
FBM201c P0922YJ
FBM201c P0922YJ
FBM201c P0922YJ
FBM201d
FBM201d P0922YK
FBM201d P0922YK
FBM201d P0922YK
FBM201P0914SQ
FBM202
FBM202 P0926EQ
FBM202 P0926EQ
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FBM202 P0926EQ(P0914ST)
FBM202P0926EQ
FBM203
FBM203 P0914SV
FBM203 P0914SV
FBM203 P0914SV
FBM203 P0914SV
FBM203 P0914SV
FBM203b
FBM203b P0922UA
FBM203b P0922UA
FBM203b P0922UA FBM203c P0922UD
FBM203c
FBM203c P0922UD
FBM203c P0922UD
FBM203P0914SV
FBM204
FBM204 P0914SY
FBM204 P0914SY
FBM204 P0914SY
FBM204 P0916AG
FBM204 P0916AG
FBM205 P0914XG
FBM205 P0914XG
FBM205 P0914XG
FBM205 P0914XG
FBM205 P0914XG
FBM205P0914XG
FBM206
FBM206
FBM206 P0916CQ原材料
FBM206 P0916CQ
FBM206
FBM206P0916CQ
FBM207
FBM207 P0914TD
FBM207 P0914TD
FBM207 P0914TD
FBM207 P0914TD
FBM207 P0914TD
FBM207 P0914WH
FBM207b
FBM207b P0914WH
FBM207b P0914WH
FBM207b P0914WH
FBM207c
FBM207c P0917GY
FBM207c P0917GY
FBM207c P0917GY
FBM207P0914WH
FBM208
FBM208 P0914TB
FBM208 P0914TB
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FBM208配件
FBM21 CM700TW
FBM21 CM700TW
FBM211
FBM211 P0914TN
FBM211 P0914TN
FBM211 P0914TN
FBM211 P0914TN
FBM211 P0914TN
FBM211P0914TN
FBM212
FBM212 P0914XL
FBM213 P0914XN(P0914SV)
FBM214
FBM214c P0914WM
FBM214c P0914WM
FBM214c P0914WM
FBM214d P0914WP
FBM214d P0914WP
FBM214d P0914WP
FBM214P0922VT
FBM215
FBM215 P0922VU
FBM215 P0922VU
FBM215/218端子P0917XV
FBM215P0922VU
FBM215端子P0917XV
FBM216
FBM216 P0922VV
FBM216 P0922VV
FBM216P0922VV
FBM216冗余適配器P0917XQ
FBM217
FBM217 P0914TR
FBM217 P0914TR
FBM217 P0914TR
FBM217 P0914TR
FBM217 P0914TR
FBM217 P0916PY
FBM217 P0916PY
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FBM218
FBM218 P0922VW
FBM218 P0922VW
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FBM219
FBM219 P0916RH
FBM219 P0916RH
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FBM22 P0900HS
FBM22 P0900HS
FBM220 P0917HA
FBM221 P0917HB
FBM221 P0917HB
FBM221 P0917HB
FBM223
FBM223 P0917HD
FBM223 P0917HD
FBM223 P0917HD
FBM224 P0926GG
FBM224 P0926GG
FBM224 P0926GG
FBM228
FBM230
FBM231
FBM232
FBM233
FBM237
FBM237 P0914XS 到
FBM237 P0914XS
FBM237 P0914XS
FBM237 P0914XS
FBM237P0914XS
FBM24 DM900HT
FBM24 DM900HT
FBM240 P0917GZ
FBM240 P0917GZ
FBM240 P0917GZ
FBM240P0917GZFBM240
FBM240電纜P0916FH
FBM241
FBM241 P0914TG
FBM241 P0914TG
FBM241 P0914TG
FBM241 P0914TG
FBM241b
FBM241b P0914WK
FBM241b P0914WK
FBM241b P0914WK
FBM241c
FBM241d
FBM242
FBM242 P0916JZ
FBM242 P0916JZ
FBM242 P0916NG
FBM242 P0916NG
FBM242 P0916TA
FBM242 P0916TA
FBM242 P0916TA
FBM242 P0916TA
FBM242 P0916TA
FBM242 P0916TA
FBM242P0916TA
FBM243
FBM243 P0914TK
FBM243 P0914TK
FBM243 P0914TK
FBM246
FBM25 DM900NX
FBM25 DM900NX
FBM26 DM900HU
FBM26 DM900HU
FBM27 DM900NY
FBM27 DM900NY 順聯(lián)
FBM39 P0902UT
FBM39 P0902UT
FBM41 P0902XA
FBM41 P0902XA
FBM42 P0902XB
FBM42 P0902XB
FBM46 P0950DA
FBM46 P0950DA
FBM底板P0926JM
FCM100EP0972ZA
FCM100Et P0926GS
FCM100E電纜 P0972TR
FCM10E P0914YM
FCM10E P0914YM
FCM10E P0914YM
FCM10E P0914YM
FCM10EF P0916CP
FCM10EF P0916CP
FCP270（F）與FBM接口
FCP270（F）與FBM接口線
FCP底板P0926HW
FCS現(xiàn)場總線卡
foxboro DCS卡件部分型號(hào)：
FPS400-24電源P0922YU
FPS400-24電源配件P0926DZ
I/A卡件機(jī)架
IPM03A P0904HB
IPM03A P0904HB
IPM06A CM902WX
IPM06A CM902WX
K0173ZU 東方供應(yīng) 原材料
K0173ZU
LAMBDA電源P0904HA
P0400DA FBM01
P0400DA FBM01
P0400HH REV L
P0400HH REV L
P0400HH REV M
P0400HH REV M
P0400VE
P0400VE
P0400VE
P0400VE
P0400VP CMP10
P0400VP CMP10
P0400VT
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P0400YC FBM02
P0400YC FBM02
P0400YE FBM04
P0400YE FBM04
P0400YG FBM06
P0400YG FBM06
P0400YV FBM18
P0400YV FBM18
P0400ZE FBM04
P0400ZE FBM04
P0500RG REV J
P0500RG REV J
P0500RU
P0500RU
P0500RY REV M
P0500RY REV M
P0700TT REV G
P0700TT REV G
P0700TT REV H
P0700TT REV H
P0700TT REV M
P0700TT REV M
P0800DA REV M
P0800DA REV M
P0800DC REV K
P0800DC REV K
P0800DG REV K
P0800DG REV K
P0800DV REV K
P0800DV REV K
P0800MW
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P0902UT FBM39
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P0903CW ANNUM/Nuberic
P0903CW ANNUM/Nuberic
P0903ZE
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P0904BR
P0904BR CRT
P0904BR CRT
P0904HW
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P0914WM FBM241C
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P0914XL
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P0917YJ
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P0922QSFBM228
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P0926DF
P0926GGFBM224
P0926GH
P0926GUFBM230
P0926GVFBM231這里
P0926GWFBM232這里
P0926GXFBM233
P0926KM
P0926KM
P0926KM
P0926KM
P0926MX
P0926MX
P0926MZ
P0926THFBM222
P0926TL FBM222
P0951AK
P0951AK
P0951AP FOR FBC21
P0951AP FOR FBC21
P0951BA-0E FBP10
P0951BA-0E FBP10
P0951BV REV E
P0951BV REV E
P0951BX REV B
P0951BX REV B
P0951CE-A FBC01 4-20mA際
P0951CE-A FBC01 4-20mA 4-20mA
P0951CJ-C FBC-07B
P0951CJ-C FBC-07B
P0951CK-A FBC09
P0951CK-A FBC09
P0951CL-C FBC21
P0951CL-C FBC21
P0951CL-H FBC21
P0951CL-H FBC21
P0951CP IPM27
P0951CP IPM27
P0951CQ REV G
P0951CQ REV G
P0951CQ REV G
P0951CQ REV G
P0951CR
P0951CR
P0951CT-A PM20
P0951CT-A PM20
P0951DK
P0951DK
P0951EA FBC07
P0951EA FBC07
P0960AW CP30
P0960GC WP30
P0960GC WP30
P0960JA CP40
P0960JA CP40
P0960JA CP40
P0961FR CP60
P0970BC
P0970BC DNBI
P0970BC DNBI
P0970BM-B VOLEX
P0970BM-B VOLEX
P0970JE-0A
P0970JE-0A
P0970WX REV B
P0970WX REV B
P0971PE-B VOLEX
P0971PE-B VOLEX
P0971SW
P0971UN 9.1GB
P0971UN 9.1GB
P0971WV
P0971WV DNBT
P0971WV DNBT
P0972TR
P0972TR
P0972TR
P0972UN
P0972VG
P0972VG
P0972ZQ
P0973BJ
P0973BK
P0973CA
P0973CN
P0973EY
P0973EY
PaperB0700AA
PM400YD FBM03
PM400YD FBM03
USB鼠標(biāo)延長線P0923DZ
操作員鍵盤
操作員鍵盤線P0971SU
非冗余Priofibus－DP卡
工程師站和歷史站
紅外組態(tài)儀B21100000000
交換機(jī)（16口）
交換機(jī)(24)
交換機(jī)線P0972KW
控制器（FCP）
控制器（ZCP）P0926CP ZCP270
控制器線（FCP）P0973BU
控制器線（ZCP）P0972UN
名稱型號(hào)描述
冗余FF現(xiàn)場總線卡
冗余Priofibus－DP卡
冗余供電P0973BN
冗余供電P0973BP
視屏延長線P0971DY
手冊(cè)資料
通訊接口
通訊接口線P0926GJ
以太網(wǎng)接口
遠(yuǎn)程IO通訊卡 FCM2F P0916TQ
站線P0972KW
專用螺絲刀X0179AZ