61318607C
61318607C
今天,我們班zui漂亮的女同學(xué)結(jié)婚了! 想當(dāng)初,我追了她三年,有一天她給我發(fā)了一段英文(If you never abandon,I will in life and death ),我英語不行,就找同桌翻譯,同桌說是: 要不 你離開我,要不 我和你同歸于盡! 我當(dāng)時(shí)就傷心欲絕,從此以后再?zèng)]有她。直到今天,婚禮現(xiàn)場巨大的銀屏上又是寫著那段英文!要命的是今天我才知道那句話是: 你若不離不棄,我必生死相依! 而新郎就是當(dāng)年給我翻譯的那位同桌!
失敗的原因:沒有問對人! 所以買產(chǎn)品找對人很重要,別到處瞎打聽,一定要問對人才能買到真正優(yōu)惠的自動(dòng)化產(chǎn)品!
:祖巧麗
:
PLC與電氣回路的接口,是通過輸入輸出部分(I/O)完成的。I/O模塊集成了PLC的I/O電路,其輸入暫存器反映輸入信號(hào)狀態(tài),輸出點(diǎn)反映輸出鎖存器狀態(tài)。輸入模塊將電信號(hào)變換成數(shù)字信號(hào)進(jìn)入PLC系統(tǒng),輸出模塊相反。I/O分為開關(guān)量輸入(DI),開關(guān)量輸出(DO),模擬量輸入(AI),模擬量輸出(AO)等模塊。
常用的I/O分類如下:
開關(guān)量:按電壓水平分,有220VAC、110VAC、24VDC,按隔離方式分,有繼電器隔離和晶體管隔離。
模擬量:按信號(hào)類型分,有電流型(4-20mA,0-20mA)、電壓型(0-10V,0-5V,-10-10V)等,按精度分,有12bit,14bit,16bit等。
除了上述通用IO外,還有特殊IO模塊,如熱電阻、熱電偶、脈沖等模塊。
按I/O點(diǎn)數(shù)確定模塊規(guī)格及數(shù)量,I/O模塊可多可少,但其zui大數(shù)受CPU所能管理的基本配置的能力,即受zui大的底板或機(jī)架槽數(shù)限制。
NUMATICS ACTUATOR PNEUMATIC VALVE REPAIR KIT, N98-2190 *NEW*
SMC 24VDC DOUBLE SOLENOID VALVE VQ7-6-FG-D-3Z
SMC 0.2-1.0MPA SOLENID VALVE VQ7-6-FJG-D-3ZR
KUNKLE VALVE DIVISION 50 PSIG 1-1/2" NPT RELIEF VALVE, 537-G01-HM *NEW*
INLINE INDUSTRIES 1000WOG 3/8" SS BALL VALVE CF8M
TRANSPAK 3-15PSIG 4-20MA 10-90V 1/4" SOLENOID VALVE TP690-001 105402
JAMESBURY INC. SEAL REPAIR KIT RKF5TT NIB
VELAN 1" 1975PSIG@100°F MODEL-A GLOBE VALVE A105N / S-2074B-02TY
FESTO CPV10-VI M302 CPV10-GE-ASI-8E?8A-Z-M8 MANIFOLD W/ (1) 185 880 R302
FESTO CPV10-VI M302 CPV10-GE-ASI-8E?8A-Z-M8 MANIFOLD W/ (1) 185 880 R202
MANNESMANN REXROTH 4WE10D31/CG24N9?Z55L SOLENOID VALVE
VICKERS DIRECTIONAL SOLENOID CONTROL VALVE DG4V-3-23A-M-P7?-H-7-52
LADISH 3/4" 150 DIRECTIONAL VALVE 0701-314
SMC 0-1.0MPA 24VDC 2-POSITION SINGLE VALVE MANIFOLD, VQC4101R-5 *NEW*
ITT FABRI-VALVE 150 CWP S316 8" KNIFE GATE VALVE F440732
RELIANCE P18G4059C FRAME 184TC 3PH 230/460V 3500RPM 5HP MOTOR 01BG96507401G 1 XY
BURKERT 125925E 24V 2W NEW
ALCO CONTROLS 120V 17/12W SOLENOID VALVE COIL 023-0039-01 *NEW*
REXROTH HYDRAULIC DIRECTIONAL VALVE Z4WE 6 W68-30/EG24K4/V
RUGGLES-KLINGEM?ANN 1/2" SOLENOID VALVE 229-A
FESTO CPV10-VI U502 CPV10-GE-ASI-8E?8A-Z-M8 MANIFOLD W/ (5) 161 368 U402
FESTO CPV10-VI U202 CPV10-GE-ASI-8E?8A-Z-M8 MANIFOLD W/ (5) 161 368 TD02
FESTO CPV10-VI M302 CPV10-GE-ASI-8E?8A-Z-M8 MANIFOLD W/ (2) 185 880 L702
FLOWSERVE * ACTUATOR VALVE W/ ASCO SOLENOID VALVE * B100S10
NUMATICS 24VDC 0.5W 100 PSIG SOLENOID VALVE, R22BBAZ4MK00061 *NEW*
SMC SOLENOID VALVE NIB SYK3143-6LOZ 99412
JAMESBURY 150PSI ACTUATOR ST-400 B W/ 6" CF8M VALVE 5152W-31-3600TS?-1
NIBCO BRONZE BALL VALVE, ? TURN ?" NPT END CONNECTION, NEW
SIZE 3 CLASS 150 SS316 KNIFE VALVE L10-0320C-13BL