ICS trusted系統(tǒng)端子板T8800

ICS trusted系統(tǒng)端子板T8800

 zui初，PLC主要用于開關(guān)量的邏輯控制。隨著PLC技術(shù)的進(jìn)步，它的應(yīng)用領(lǐng)域不斷擴(kuò)大。

如今，PLC不僅用于開關(guān)量控制，還用于模擬量及數(shù)字量的控制，可采集與存儲(chǔ)數(shù)據(jù)，還可對(duì)控制系統(tǒng)進(jìn)行監(jiān)控；還可聯(lián)網(wǎng)、通訊，實(shí)現(xiàn)大范圍、跨地域的控制與管理。PLC已日益成為工業(yè)控制裝置家族中一個(gè)重要的角色。。

3.1用于開關(guān)量控制

PLC控制開關(guān)量的能力是很強(qiáng)的。所控制的入出點(diǎn)數(shù)，少的十幾點(diǎn)、幾十點(diǎn)，多的可到幾百、幾千，甚至幾萬點(diǎn)。由于它能聯(lián)網(wǎng)，點(diǎn)數(shù)幾乎不受限制，不管多少點(diǎn)都能控制。

所控制的邏輯問題可以是多種多樣的：組合的、時(shí)序的；即時(shí)的、延時(shí)的；不需計(jì)數(shù)的，需要計(jì)數(shù)的；固定順序的，隨機(jī)工作的；等等，都可進(jìn)行。

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PLC的硬件結(jié)構(gòu)是可變的，軟件程序是可編的，用于控制時(shí)，非常靈活。必要時(shí)，可編寫多套，或多組程序，依需要調(diào)用。它很適應(yīng)于工業(yè)現(xiàn)場(chǎng)多工況、多狀態(tài)變換的需要。

用PLC進(jìn)行開關(guān)量控制實(shí)例是很多的，冶金、機(jī)械、輕工、化工、紡織等等，幾乎所有工業(yè)行業(yè)都需要用到它。目前，PLC首用的目標(biāo)，也是別的控制器無法與其比擬的，就是它能方便并可靠地用于開關(guān)量的控制。

FARRAND 51 & 1/2" O.A.L. TAPE SPAR LINEAR SCALE 218052-15-1038

TOL-O-MATIC B3W LINEAR BELT DRIVE ACTUATOR WITH MOTOR, NNB

NSK 80" O.A.L. LINEAR BALL SCREW W5016-1987-C5Z 05L5-0005

INA LINEAR BEARING PR 14032 GR3, NIB

54" O.A.L. PRECISION BALL SCREW M-127

THOMSON ROUND LINEAR CASE SHAFT 25MMSOFTX1500MM?, NIB

THK CAM FOLLOWER CFH12MA / 350910 A NIB

THREAD CRAFT INC T-4073 COMMERCIAL BACKLASH BALL SCREW 50 OAL 2? DIA NIB

THOMSON ISO 9000 SUPER PILLOW BLOCK BEARING NIB SPB160PN

SAGINAW 31" LENGTH 3" DIAMETER SHAFT BALL SCREW, NO LABEL, SEE PHOTOS

LEAD SCREWS INTERNATIonAL 40" O.A.L. PRECISION BALL SCREW M447

THK 92" O.A.L. LINEAR MOTION SYSTEM YS 7F27

THREAD CRAFT INC T-6235 COMMERCIAL BACKLASH BALL SCREW 58 OAL 51 TRAV 2? DIA NIB

STAR 83.5" 28-HOLE LINEAR GUIDE RAIL 48-10-1608, RUST

94" O.A.L. PRECISION BALL SCREW C-246

DEUTSCHE STAR RUNNER BLOCK / ROLLER RAIL 1853-613-10, SEALED

20TH CENTURY MACHINE 120" O.A.L. PRECISION BALL SCREW FS-127920-2000

THOMSON A162536 LINEAR BALL BEARING, NNB

PRECISION BALL SCREW 74" O.A.L. FS127920-0800-1?268-02H1

GEORG FISCHER DOUBLE ACTING ACTUATOR 

LINEAR ROLLER BEARING LMUWF16

NUMATICCS, LINEAR ACTUATOR SH10606LB16DS3, K13409

PARKER PNEUMATIC ACUATOR VAVLE P5T-J063DHSN050 SEALED

THK KS PRECISION BALLSCREW 9D22

THK LINEAR GUIDE RAIL NIB SHS35C3SS+840L / UCG00264 101075

THK HSR55 LINEAR BLOCK BEARING

STAR LINEAR BEARING 067-20

THK LINEAR GUIDE BLOCK NIB HSR45CA1SSS(GK) 101815

DUFF-NORTON WORM GEAR ACTUATOR LM3704-57L W/ STEARNS BRAKE 1-055-511-04-BQ?F

THREAD CRAFT INC T-1161 COMMERCIAL BACKLASH BALL SCREW 40 OAL 37 TRAV 2? DIA NIB

40" O.A.L. PRECISION BALL SCREW 89988

PARKER ORIGA SYSTEM PLUS PNEUMATIC DRIVE CYLINDER P5P00000C500-03?353 102624

DR. JOHANNES HEIDENHAIN 1840MM LINEAR ENCODER 216 750 HL

BELOIT CORP. SCREW JACK 274815D051

LINMOT LINEAR GUIDE PS01-48X240 / 0150-1975 *PLUG*

NIPPON THOMPSON IKO LINEAR BEARING, LRW50 E71

HYTORK-130 ACTUATOR 120PSIG

FESTO 12 MM BORE, 270° ANGLE ROTARY ACTUATOR DSM-12-270-P-FW?-CC

REXROTH LINEAR SLIDE BEARING R182443110

INA LINEAR MOTION BEARING KH1026/P/PP

EMCOR 36" O.A.L. PRECISION BALL SCREW E-6428

INA LINEAR BEARING KH3050IPIPP

EMCOR E-6696 58" PRECISION BALL SCREW

EMCOR 42" O.A.L. PRECISION BALL SCREW C-066

PARKER ORIGA SYSTEM PNEUMATIC LINEAR DRIVE SYSTEM 102629

THK 171&11/16" O.A.L. 55 HOLE LINEAR GUIDE WAY RAIL W/ (2) IKO BEARING BLOCK

BELOIT CORP. 15-TON SCREW JACK 274817D023-0-00?4

ACCUGLIDE CG35CEAN LINEAR BLOCK BEARING, NIB

NB LINEAR BEARING TWA-16UU

26" O.A.L. PRECISION BALL SCREW 052243

THOMSON ACCUGLIDE RG25NL0260 348660-81 LINEAR RAIL, NNB

FESTO DGP LINEAR DRIVE DGP-40-1300PPVA?B-SL010179

THREAD CRAFT INC T-8310 COMMERCIAL BACKLASH BALL SCREW 50 OAL 44 TRAV NIB

STAR / REXROTH 1807-203-31 236MM LINEAR ROLLER GUIDE RAIL, NNB

STAR / REXROTH 1807-203-31 LINEAR ROLLER GUIDE RAIL, NNB

THREAD CRAFT 39.55" 1.5 DIAMETER PRECISION BALL SCREW T-4947

36.562" O.A.L. PRECISION BALL SCREW 80198 / C-160

THOMSON SAGINAW 17.5" PRECISION BALL SCREW A-5409

THREAD CRAFT INC T-1284 PRECISION PRELOADED BALL SCREW 41 OAL 38 TRAV NIB

BARNES INDUSTRIAL BWO35342 120694 25?" BALLSCREW, NIB

PRECISION BALL SCREW 70260 NIB

THREAD CRAFT PRECISION BALL SCREW ?-16988

BELOIT CORP. SCREW JACK 274822D026

42" O.A.L. PRECISION BALL SCREW C-270

48" O.A.L. PRECISION BALL SCREW A-60292

STAR / REXROTH 1807-203-31 356MM LINEAR ROLLER GUIDE RAIL, NIB

THREAD CRAFT INC T-2569 COMMERCIAL BACKLASH BALL SCREW 38 OAL 30 TRAV NIB

THK LINEAR GUIDE RAIL NIB SHS-800L(GK) / UCG02891 101077

44'' LINEAR GUIDE RAIL

THOMSON INDUSTRIES, INC SUPERSLIDE SYSTEMS POSITIonING SLIDE, 37" OAL; 32" TRAV

REXROTH STAR RUNNER BLOCK/ BALL RAIL 1623-214-20 NIB

THOMPSON SUPER 24 BALL BEARING LINEAR BUSHING NIB

20TH CENTURY MACHINE 104" O.A.L. PRECISION BALL SCREW FS127920-1600

DAYTRonIC LINEAR SENSOR DS6000A

THREAD CRAFT INC T-4013 COMMERCIAL BACKLASH BALL SCREW 38 OAL 29 TRAV NIB

THREAD CRAFT INC T-5736 COMMERCIAL BACKLASH BALL SCREW 48? OAL 45? TRAV NIB

CAIPO DIS 10292 35 X 30 SCREW ACTUATOR

BELOIT CORP. SCREW JACK 274817D023-0-00?5

THREAD CRAFT T7425 74" O.A.L. PRECISION BALL SCREW CP#2.25X500x74

THREAD CRAFT INC T-1526 COMMERCIAL BACKLASH BALL SCREW 49 OAL 42 TRAV NIB

THREAD CRAFT INC T-6235 COMMERCIAL BACKLASH BALL SCREW 49 OAL 42 TRAV NIB

1244.5MM O.A.L. PRECISION BALL SCREW C-264

IKO 13-HOLE LINEAR GUIDE RAILWAY LWH 55 101018

IAI SINGLE AXIS ROBOT LINEAR ACTUATOR ISA-SXM-0-0-100?0-AQ

EMCOR 47.812" O.A.L. PRECISION BALL SCREW E-6630

FESTO 63MM BORE 500MM STROKE LINEAR DRIVE DGP-63-500-PPVA?-B

HEIDENHAIN 620MM, LINEAR SCALE LS 704

TEMPOSonIC R SERIES LINEAR-POSITION SENSOR RHT0065UD601V01

INGERSOLL-RAND ARO 1/4 TON SERIES 7700 ROLLER CHAIN HOIST 7718E-2C10-C6S

INGERSOLL-RAND ARO 1/4 TON SERIES 7700 ROLLER CHAIN HOIST 7718E-2C10-K6

IDEAL .69-1.25D, SAE SIZE 12, CLAMP 62M12, BOX OF 10 *NEW*

AEROQUIP HOSE CUT OFF MACHINE S1104-2-1

TSUBAKI 3/4" PITCH 10FT RIVETED ROLLER CHAIN, NO. 60 *NEW*

CAMPBELL 1/4" (6MM) WIRE ROPE CLIPS, B7670439 *NEW LOT OF 5*

GALVANIZED WIRE ROPE CABLE, 3/8" 7 X 19, PARTIAL ROL