欧美极品jizzhd欧美,91精品久久一区二区三区,欧美乱妇无乱码大黄a片,欧美日韩国产一区在线看

103620

103620

103620

可編程序控制器，英文稱Programmable Controller，簡稱PC。但由于PC容易和個人計算機（Personal Computer）混淆，故人們仍習慣地用PLC作為可編程序控制器的縮寫。它是一個以微處理器為核心的數字運算操作的電子系統(tǒng)裝置，專為在工業(yè)現場應用而設計，它采用可編程序的存儲器，用以在其內部存儲執(zhí)行邏輯運算、順序控制、定時/計數和算術運算等操作指令，并通過數字式或模擬式的輸入、輸出接口，控制各種類型的機械或生產過程。PLC是微機技術與傳統(tǒng)的繼電接觸控制技術相結合的產物，它克服了繼電接觸控制系統(tǒng)中的機械觸點的接線復雜、可靠性低、功耗高、通用性和靈活性差的缺點，充分利用了微處理器的優(yōu)點，又照顧到現場電氣操作維修人員的技能與習慣，特別是PLC的程序編制，不需要專門的計算機編程語言知識，而是采用了一套以繼電器梯形圖為基礎的簡單指令形式，使用戶程序編制形象、直觀、方便易學；調試與查錯也都很方便。用戶在購到所需的PLC后，只需按說明書的提示，做少量的接線和簡易的用戶程序編制工作，就可靈活方便地將PLC應用于生產實踐。

可編程序控制器一直在發(fā)展中，所以至今尚未對其下最后的定義。國際電工學會（IEC）曾先后于1982.11；1985.1和1987.2發(fā)布了可編程序控制器標準草案的第一，二，三稿。

在第三稿中，對PLC作了如下定義：可編程序控制器是一種數字運算操作電子系統(tǒng)，專為在工業(yè)環(huán)境下應用而設計。它采用了可編程序的存儲器，用來在其內部存儲執(zhí)行邏輯運算、順序控制、定時、計數和算術運算等操作的指令，并通過數字的，模擬的輸入和輸出，控制各種類型的機械或生產過程�？删幊绦蚩刂破骷捌溆嘘P的外圍設備，都應按易于與工業(yè)控制系統(tǒng)形成一個整體、易于擴充其功能的原則設計。

定義強調了PLC是：1 數字運算操作的電子系統(tǒng)——也是一種計算機

                  2 專為在工業(yè)環(huán)境下應用而設計

                  3 面向用戶指令——編程方便

                  4 邏輯運算、順序控制、定時計算和算術操作

                  5 數字量或模擬量輸入輸出控制

                  6 易與控制系統(tǒng)聯成一體

                  7 易于擴充

福州卓凱電子科技有限公司聯系人：林工
24小時咨詢熱線：17705012279

TEL：0591-22989937
QQ：879520885

傳真：0591-22989937
公司地址：福州市閩侯西江濱大道77號正榮潤園一號樓1205室
產品價格以電話或者QQ詢價為準，發(fā)布價格及圖片不做參考

ALLEN-BRADLEY MEMORY BOARD 8000-MB / 900052 REV. 6

ALLEN-BRADLEY MEMORY MODULE BOARD 1772-MG

ALLEN-BRADLEY MEMORY MODULE BOARD 1772-MG (AS PICTURED)

Allen-Bradley Memory Module PC Board, # 8000-MB, 900052 Rev E5,

Allen-Bradley Memory Module PC Board, # 8000-MB, 900052-90 03E, "AS IS"

Allen-Bradley Memory Module PC Board, # 8000-MB, 900052-90 03E, "AS IS"

Allen-Bradley Memory PC Board X-361825  #27237

Allen-Bradley Memory PC Board X-361826  #27324

Allen-Bradley Memory PC Board X-361827  #27221

Allen-Bradley Memory PC Board X-361832  #27251

ALLEN-BRADLEY MESSAGEVIEW 421F LED CIRCUIT BOARD SMC-X00 LED 8100149-01 1700148

ALLEN-BRADLEY MODULATOR LOGIC BOARD 50387

ALLEN-BRADLEY MODULATOR LOGIC BOARD 50387-002 FACTORY SEALED 50387002

ALLEN-BRADLEY MODULATOR LOGIC BOARD 50387-002  50387002

Allen-Bradley Modulator Logic Board S50387-002 #42016

ALLEN-BRADLEY MODULATOR LOGIC CIRCUIT BOARD MODULE 50387 REV M

ALLEN-BRADLEY MONITOR CIRCUIT BOARD MODULE 7300-UIB 634174-90 REV 7

ALLEN-BRADLEY MONITOR CIRCUIT BOARD MODULE 7300-UIB 634174-90 REV 6

ALLEN-BRADLEY MONITOR CIRCUIT BOARD MODULE 7300-UIB 634174-90 REV 5

ALLEN-BRADLEY MOO3033704 112273 R05 BOARD PCB  M003033704

Allen-Bradley MOO3100930 M003100930 Circuit Board 106934 R14 -

ALLEN-BRADLEY MOO3270286 133583 REV 07 PC BOARD

ALLEN-BRADLEY MOTHER BOARD 8000GDB

ALLEN-BRADLEY MOTHER BOARD SA3100-SPM01B SER.A REMANUFACTURED

Allen-Bradley Mother Circuit Board 900018 Rev 4 _ 8000-GDB _ 8000GDB PCB 9OOO18

Allen-Bradley Motion Drive Board PC-672-0295 + PC-673-0995 GEB

ALLEN-BRADLEY MULTIPLEXER INTERFACE BOARD 634483-90 REV.-E5

ALLEN-BRADLEY MULTIPLEXER INTERFACE BOARD 634483-9005 REV-5

ALLEN-BRADLEY MULTIPLEXER INTERFACE BOARD 634483C-90

ALLEN-BRADLEY MULTIPLEXER INTERFACE MODULE CONTROL BOARD 634483-90

ALLEN-BRADLEY MULTIPLEXER INTERFACE MODULE CONTROL BOARD 634483-90, REV-E5

Allen-Bradley Nand PC Board X-233164A  #27159

Allen-Bradley NCAB2 Circuit Board -

Allen-Bradley NPC 103C Power Supply Board ! AS IS !

Allen-Bradley Numerical Control Board Module 285068F

ALLEN-BRADLEY OPERATOR DISPLAY BOARD KEYPAD CONTROL 158453 REV. 01

ALLEN-BRADLEY OPERATOR DISPLAY CONTROL BOARD 158453 REV .01

Allen-Bradley Operator Display Control Board A226 120772-8 01 Circuit 158453

Allen-Bradley Operator Display PC Board Control, Mod# 158453,

Allen-Bradley OS 5580 Circuit Board PCB Module OS5580 90105506 9327963S-PC

ALLEN-BRADLEY OSAI A-B OS 5551 BOARD 8600-1726L

Allen-Bradley OSAI OS 5005 R Circuit Board

ALLEN-BRADLEY OSAI OS 5250 AXIS OS-5250 OS5250 BOARD

Allen-Bradley OSAI OS 5651 QB COD 9327769X Circuit Board

Allen-Bradley Ouput Board NOS 459221-0070

ALLEN-BRADLEY OUTPUT AMP SENSING BOARD 50377 REV. B

ALLEN-BRADLEY OUTPUT AMP SENSING CIRCUIT BOARD CARD 50377 REV. 04

ALLEN-BRADLEY OUTPUT AMPS BOARD 50378 REV. 04

ALLEN-BRADLEY OUTPUT CIRCUIT BOARD 7300-UDB 7300UDB 634303B

ALLEN-BRADLEY OUTPUT CIRCUIT BOARD 7300-UDB 7300UDB 634303B-91

ALLEN-BRADLEY OUTPUT GROUND SENSOR BOARD 50385 REV. B

ALLEN-BRADLEY P/N:151161 1336 BD/POWER SUPPLY BOARD 3hp **

Allen-Bradley P-24530 Control board

Allen-Bradley Panel Control Board (PCB6201), Series A, 6420279

Allen-Bradley Panel Control Board W/ Brackets (PCB6201), Series A, 6420279

ALLEN-BRADLEY PANEL INTERFACE MODULE BOARD 635533-9004, REV-4

Allen-Bradley PanelView Communication Board 77145-202-51 F

ALLEN-BRADLEY PANELVIEW CONTROL BOARD ASSEMBLY TRAY 7712920352

ALLEN-BRADLEY PanelView OPERATOR INTERFACE CONTROL BOARD 77129-014-52(C)

ALLEN-BRADLEY PanelView OPERATOR INTERFACE CONTROL BOARD 77129-014-52(E) 20 0482

Allen-Bradley PanelView Plus 400 Display Control Board Keypad Industrial

Allen-Bradley PC Board # 634490 Rev 6

Allen-Bradley PC Board # 8000-AF Clean! 900072

Allen-Bradley PC Board # 8000-GC 900057

Allen-Bradley PC Board / Converter 1720-B2010  #5165

Allen-Bradley PC Board 102509 Scratch & Dent #73309

Allen-Bradley PC Board 102509  #67056

Allen-Bradley PC Board 102509  #67057

Allen-Bradley PC Board 102509  #67058

Allen-Bradley PC Board 102509  #67059

Allen-Bradley PC Board 105060  #59160

ALLEN-BRADLEY PC BOARD 120881, 1336, 3/30 HP

Allen-Bradley PC Board 135655  #55690

Allen-Bradley PC Board 1746HT  #51559

ALLEN-BRADLEY PC BOARD 319624-A01 SER A FRN: V.1007 319624-A01

Allen-Bradley PC Board 42305-052-04  #44482

ALLEN-BRADLEY PC BOARD 634262 rev 11-90

ALLEN-BRADLEY PC BOARD 634384, REV 5

ALLEN-BRADLEY PC BOARD 634488-90, REV. 6 006, UPI

Allen-Bradley PC Board 634490

ALLEN-BRADLEY PC BOARD 634978-9004 REV-4, 634978, VDZ 1

Allen-Bradley PC Board 635532

Allen-Bradley PC Board 635537 REV:2

Allen-Bradley PC Board 77129-012-51 C/L H

Allen-Bradley PC Board 77129-012-51 C/L L

Allen-Bradley PC Board 8000-MDAZ

ALLEN-BRADLEY PC BOARD 8000MDAZ LOT OF 2

Allen-Bradley PC Board 8000-PL