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四、I/O模塊
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狀態，輸出點反映輸出鎖存器狀態。輸入模塊將電信號變換成數字信號進入PLC係統，輸出模塊相反。I/O分為開關量輸入（DI），開關量輸出（DO），模擬量輸入（AI），模擬量輸出（AO）等模塊。
開關量是指只有開和關（或1和0）兩種狀態的信號，模擬量是指連續變化的量。常用的I/O分類如下：
開關量：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、脈衝等模塊。
HOKE NEEDLE VALVE 1/2 TUBE, 3852G8Y
KF-40 Cap, NW40 Cap, QF40 Cap, Ref MDC 712002, Shipsameday 1373Z3
KF-16 Blank Cap, NW16 Cap QF16 Cap, Ref MDC 712000, Shipsameday1373Z4
SMC CDQ2B80-10D-A73 CDQ2B8010DA73 CYL, COMPACT LQA 1373A
SMC CDQ2L20-20D-J79C, CDQ2L20-20D-J7, D-J79C, CYLINDER, shipsameday 1373H
Vulcan Calstat Temperature Switch 100 To 600F 120/240V NC, 1E1C9 1631B1
TE 747844-4 D-Sub Con Receptacle Female Sockets 9 Position P5
Swagelok Connector 3/4T x 1/2NPT, SS-1210-1-8, Shipsameday1608Z4
SWAGELOK MULTIPURPOSE PUSH-ON HOSE Blue 3/4, PD-12-BLU , SHIPSAMEDAY
Turck U2444-9, RK4.4T-0.9-RS4.4T, Shipsameday, 1216D
TYK Leak Sensor RS-3000FAB-BZ, RS3000FABBZ, Shipsameday 1642A10
AVX TAJA106K010RNJ Tantalum Capacitors Solid SMD 10volts 10uF 10%W35
Yaskawa Servopack CACR-HRA5BAB11Y5, CACRHRA5BAB11Y5, Rack C C36
Allen Bradley 1333-ZAA, Shipsameday, Rack C C39
NORGREN SOLENOID VALVE 3/2NC 1/4NPT 24V, V61R417AA213JB 1600B29
Bussmann 170M6513, 690V 900A IR700-200Ka, 3GN/50, 130619/0009 Shipsameday 1328K
2X SMC process valve, VNB201A-15A, SHIPSAMEDAY1635Q4
ST 25P64V6G, 78245, Shipsameday, D51
E-Switch ESWTL1105XF160Q, TL1105XF160Q, EG4372-ND, Lot Of 400, E7
Legris 3144 04 56, 31440456, 5/32 x 1/4
Festo Multiple distributor QSLV4-1/4-10, 153237, SHIPSAMEDAY1648A.
PepperL+Fuchs NMB5-18GM55-E2-FE Inductive Proximity Sensor Switch1645K
Dwyer Flowmeter with flow limit switch FS20400
LOTOF30 SWAGELOK Male Connector 1/4 Tx3/8 NPT, SS-400-1-6, NO NUT FERRULEZL32
Fanuc Cable 3DV RCC 7M, A660-2005-T255L7R003A, XGMF14552, XGMF-14552 142TA
Parker Male Branch Tee 1/8 + Nut/Ferrule, 2-2-2 SBZ-SS
Whitey Ball Valve 1/4 FNPT, SS-43F4, Shipsameday ZQ7
Decco Coil 9-314M-056, 9314M56, Shipsameday, W/2-3 Daysshipping1653BY
Federal Noark CA106, Shipsameday, W/2-3 Daysshipping 1653BT
Panasonic Photo Sensor N310P9211, PANADAC-921-1, Shipsameday N80
NOVX WORKSTATION EQUIPMENT ESD MONITOR, MODEL 5315, SHIPSAMEDAY
Digital Analog IC Dual 10-Bit VTG, AD5312BRMZ, H15
Idec Light Tower LT1A 24V AC/DC, ShipSameDay W2/3 Days Shipping1172P
Idec Light Tower LT1A 24V AC/DC, ShipSameDay W2/3 Days Shipping1172R
Matheson Regulator WITH Gauge, Shipsameday RACK L L8
SWAGELOK Quick Connect Body 1/2, SS-QF8-B-8PF, Shipsameday 1654B5
Visual LED GREEN DIFF 0805 SMD, CMD17-21VGD/TR8 S61
MODICON FANNING STRIP M84 MODULE MA-0212-001, MA0212001 150A
MC102561K060B20C7P, CERAMIC CAPACITOR 560PF 1KV X7R 10%, RADIA X15
WESTINGHOUSE, FB3190SML, 25A, 3 pole, Shipsameday W/2-3DAYSSHIPPING1222H
Koganei Muffler Resin KM-22, Shipsameday 1177A18
Vishay CRCW080536R5FKEA
Telemotive E1012-3, SHIPSAMEDAY140L
Merlin Gerin Circuit Breaker, C32N, 380V, 20123, 8000AIECP1, 1646A13
Bourns Resistor Networks Arrays 150ohm 2% 16Pin, 4816P-T01-151LF X12
ON MOSFET N-CH 600V 2.4A TO220FP, NDF02N60ZG, NDF02N60ZGOS-ND X11
AVX/Kyocera Resonators 8.000MHZ .5% CHIP, PBRC-8.00BR, 581-PBRC-8X14
Telemecanique GV2-G05, GV2-M04, GV2-M05, GV2-M03, GV2-M07, GV2G245 137H47
豫公安備 41010502000017號