Bachmann DI232
咨詢熱線:18050036945
PLC問世以來,盡管時間不長,但發展迅速。為了使其生產和發展標準化,國際電工委員會(IEC)先后頒布了PLC標準的草案稿,第二稿,并在1987年2月通過了對它的定義:
“可編程控制器是一種數字運算操作的電子系統,專為在工業環境應用而設計的。它采用一類可編程的存儲器,用于其內部存儲程序,執行邏輯運算、順序控制、定時、計數與算術操作等面向用戶的指令,并通過數字或模擬式輸入/輸出控制各種類型的機械或生產過程。可編程控制器及其有關外部設備,都按易于與工業控制系統聯成一個整體,易于擴充其功能的原則設計。”
為了避免與個人計算機PC(Personal Computer)相混淆,所以改為PLC(Programmable Logic Controller)即可編程邏輯控制器,但從功能上講,現在的PLC早已不是原來意義上的“PLC”了。
總之,可編程控制器是一臺計算機,它是專為工業環境應用而設計制造的計算機。它具有豐富的輸入、輸出接口,并且具有較強的驅動能力。但可編程控制器產品并不針對某一具體工業應用,在實際應用時,其硬件需根據實際需要進行選用配置,其軟件需根據控制要求進行設計編制。
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THK 6-3/4 INCH OAL, LINEAR GUIDE RSR15ZM *NEW*
THREAD CRAFT, INC T-1425 COMMERCIAL BACKLASH BALLSCREW, OAL 62 DIA 2-1/8, NNB
MAGNETIC ELEKTROMOTOREN 24V 5A MAX30-A300515A2?510A-000 L03529178
THK HRW35CA2SSC1+28?0 LINEAR GUIDE RAIL NEW IN BAG
IKO 53&1/2" 17 HOLE LINEAR ROLLER WAY GUIDE RAIL, SET OF 2
THOMSON 4-HOLE LINEAR RAIL, 12-1/2" LONG 105524
NUMATICS 11/16" BORE 9" STROKE LINEAR SLIDE, SH-150-09-BB-1-?5-6-DS4 *NEW*
PRECISION BALL SCREW, 42" OAL, TRAVEL 34", DIAMETER 2?, NIB
IKO PRECISION LINEAR SLIDE, 36X2?X1-3/8, NIB
BALL SCREW OAL 49" TRAVEL 34?" 1?" DIA, 2 JOURNALS, 1 BALL NUT
AUMA ACTUATOR SG10 W/ 110V 1/5HP MOTOR SK00 56-2/80, NEW
THK 47.3 MM L, 42 MM OAW LINEAR BEARING BLOCK SR20V1SSC1 *NEW*
THK 26"L, 4&3/8"W, 3&3/4"H FULL-BALL TYPE LM GUIDE ACTUATOR, NO LABEL
MISUMI LINEAR BALL BEARING W/ FLANGE SLHMRWS20 NEW LOT OF 5
REXROTH 3-1/8IN. X 2 IN. OAL LINEAR MOTION GUIDE R169429411 *NEW IN BOX*
NSK W3203WF-26DS1 05F2-0003 BALL SCREW 24 OAL 12 TRAVEL, NNB
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MISUMI FLANGE TYPE LINEAR BUSHING LHFCWM12 *NEW, SEALED* LOT OF 2
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SMC 145PSI, 1.00MPa, 6-1/2"OAL, 2-5/8"H, COMPACT GUIDE CYLINDER MGQM25-01-0006U
THREAD CRAFT PRECISION BALL SCREW 81537 / T5736 *NEW*
THREAD CRAFT T-3004 49&5/8" O.A.L PRECISION BALL SCREW 8VMR-2283-40, NEW
27 & 1/2" PRECISION BALL SCREW C-320
EMCOR 66" O.A.L. PRECISION BALL SCREW E-6808, NEW
KNIGHT TROLLEY MRTA5702 *NEW*
THOMSON 81MM LINEAR BEARING ROLLER CARRIAGE 512 P 35 A 1 *NEW*
IKO 64&3/4IN 16 HOLE LINEAR C-LUBE ROLLER WAY GUIDE LWH 45
NSK LINEAR BEARING BLOCK LH55, (MISSING A BALL or TWO) *NEW*
BALL SCREW OAL 38" TRAVEL 30" 2" DIA, 1 JOURNALS, 1 BALL NUT, NIB
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LINEAR 115&3/4" X 1&3/4" X 2" 25-HOLE LINEAR GUIDE RAIL NO LABEL
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THREAD CRAFT 2.25IN 35.87OAL DIAMETER PRECISION BALL SCREW T1331 *NEW*
BELOIT CORP. 1HP 5-TON SCREW JACK 274815D052
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REXROTH STAR RUNNER BLOCK/BALL RAIL 165341410 *NEW*
THREAD CRAFT 1.5IN DIAMETER 40.75OAL PRECISION BALL SCREW T-3507 *NEW*
DMT AUTOMATIC 52" 17-HOLE LINEAR RAILWAY TCC28-1360, LOT OF 4
CAIPO 50.11.55.CP.1C PNEUMATIC CYLINDER
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JOYCE/DAYTON SCREW JACK WJ2420U 3 T-2 SPEC
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SKF / TCM 17432 PRECISION ROLLED BALL SCREW, 50?" OAL 2? DIA 42? TRAV NNB
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SKF / TCM 23273 PRECISION ROLLED BALL SCREW, 51?" OAL 2? DIA 43 TRAV NNB
STAR 50" 17-HOLE LINEAR GUIDE RAIL 1805-663-61 1270, NEW
THK COMPANY 15 INCH OAL, BALL SHAFT/SPLINE LF16UUCMME+380L?P *NEW, LOT OF 2*
RBC PRECISION BALL SCREW 06-002 *NEW*
GM POWERTRAIN 1805-353-31 0316 316MM LINEAR ROLLER GUIDE RAIL, NEW
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PFAFF SHE15.1L-B-F/S SCREW JACK 040038396
THK LINEAR GUIDE RAIL NIB, 2 IN BOX, HSR45-570L(GK) / UAG05455 101836
NUMATICS LINEAR ACTUATOR SH1606LB16DS3, M10550
EXLAR GS SERIES 230V .2" LEAD 6.56A LINEAR ACTUATOR GS45-1002-OCM-A?B1-M6-EB
THK 30" OAL TWO SQUARE BLOCK BALL SPINE LBH30 *NEW*
STAR 93" 39-HOLE LINEAR GUIDE RAIL 04-268-916, NEW
WARNER ELECTRIC 105" PRECISION BALL
HEIDENHAIN 22" LONG LINEAR SCALE AND ENCODER AE LC 191F / 332 522-01
THREAD CRAFT T-1295 PRECISION BALLSCREW, 50" OAL, NIB
REXROTH 1651-494-10 BALL RAIL RUNNER BLOCK
THK CAM FOLLOWER CFH12MA
BOSCH REXROTH 23-HOLE 71" LINEAR GUIDE RAIL R160520431
STAR 64.5" 27-HOLE LINEAR GUIDE RAIL 04-268-914, NEW
THK 9C09 SHS35V1SS (GK) BLOCK CAGED BALL
DUFF NORTON SCREW WORM GEAR ACTUATOR JACK M-3554-101
PRECISION BALL SCREW 82" O.A.L. 3' DIAM. FS127920-1
THK LINEAR GUIDE BLOCK HSR45CA1SSSJCK 105489
EXLAR GS SERIES 230V .5" LEAD 6.56A LINEAR ACTUATOR GS45-1805-OCM-A?B1-M6-EB
JOYCE/DAYTON 50-TON SCREW JACK MODEL RWJT3250-3
HONEYWELL A7 ACTUATOR 2" THREAD 6570010031
THREAD CRAFT INC T-2952 COMMERCIAL BACKLASH BALL SCREW, 44 OAL 36 TRAV 2 DIA NIB
FARRAND 85 & 1/2" O.A.L. TAPE SPAR LINEAR SCALE 210852-16-1072
DI232