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四、I/O模块

    PLC与电气回路的接口，是通过输入输出部分（I/O）完成的。I/O模块集成了PLC的I/O电路，其输入暂存器反映输入信号状态，输出点反映输出锁存器状态。输入模块将电信号变换成数字信号进入PLC系统，输出模块相反。I/O分为开关量输入（DI），开关量输出（DO），模拟量输入（AI），模拟量输出（AO）等模块。

    开关量是指只有开和关（或1和0）两种状态的信号，模拟量是指连续变化的量。常用的I/O分类如下：

    开关量：按电压水平分，有220VAC、110VAC、24VDC，按隔离方式分，有继电器隔离和晶体管隔离。

    模拟量：按信号类型分，有电流型（4-20mA,0-20mA）、电压型（0-10V,0-5V,-10-10V）等，按精度分，有12bit,14bit,16bit等。

    除了上述通用IO外，还有特殊IO模块，如热电阻、热电偶、脉冲等模块。　　　

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