1772-LG
工業(yè)自動化組件供應商越來越多的把以太網(wǎng)協(xié)議作為他們產(chǎn)品的標準規(guī)范,許多廠商也直接把以太網(wǎng)技術作為新產(chǎn)品的網(wǎng)絡連接手段。由于這些供應商的推動,這也就需要機械制造商和終端客戶將觀念從舊的現(xiàn)場總線技術轉變到以太網(wǎng)技術上來。
工業(yè)以太網(wǎng)總線正因為有諸多的優(yōu)點,在國內外逐步得到了迅速的普及,現(xiàn)在已經(jīng)有大量的配套產(chǎn)品在使用中。如工業(yè)以太網(wǎng)HUB,工業(yè)以太網(wǎng)防火墻產(chǎn),工業(yè)以太網(wǎng)關,以太網(wǎng)轉RS232/RS485設備,以太網(wǎng)A/D模塊,以太網(wǎng)D/A模塊,以太網(wǎng)AI模塊,以太網(wǎng)AO模塊,以太網(wǎng)DI模塊,以太網(wǎng)DO模塊及復合功能模塊。
目前以太網(wǎng)還只適合于工業(yè)控制網(wǎng)絡系統(tǒng)的信息層應用。以太網(wǎng)是Byte級網(wǎng)絡,只能部分代替現(xiàn)場總線作用,而將以太網(wǎng)用于現(xiàn)場I/O級,這是目前工控領域研究的熱點之一。
而工業(yè)以太網(wǎng)技術基礎及應用方式多是基于商用以太網(wǎng)發(fā)展而來的,在全球主導的有線網(wǎng)絡將數(shù)據(jù)傳輸技術的基礎上,根據(jù)工業(yè)領域的特點要求,采用以太網(wǎng)通信協(xié)議作為基本技術發(fā)展而生。工業(yè)以太網(wǎng)市場需求十分廣泛,無論是新建一條現(xiàn)代化的制造生產(chǎn)線,還是對舊有設備的改造,都會大量使用工業(yè)以太網(wǎng)。
對此,工業(yè)以太網(wǎng)的市場增長率也始終居高不下,據(jù)有關統(tǒng)計,每年新增工業(yè)網(wǎng)絡接口數(shù)量都將會是前一年的一倍左右。而隨著工業(yè)以太網(wǎng)技術延展而帶動的PLC、DCS及PC_Based等控制類產(chǎn)品的市場容量,更是難以計算。
與普通的以太網(wǎng)相比,工業(yè)以太網(wǎng)需要解決開放性、實時性、同步性、可靠性、抗干擾性及安全性等諸多方面的問題,這也是工業(yè)自動化廠商不同于普通IT廠商能為工業(yè)用戶帶去更大價值的地方
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《施耐德》(schneider),《莫迪康》(modicon),《AB》,《ABB》,《西門子》,《三菱》,《歐姆龍》,《GE》等多種品牌..........
Allen Bradley 8520-1APA1 Circuit Board Repair Only!!!
Allen Bradley 8600-1954P Circuit Board PCB Module 86001954P
Allen Bradley 8600-1954P Circuit Board PCB Module OS 5580-P/C 9327963 S
Allen Bradley 900072-01 8000-AF Rev 1 Resolver Circuit Board
Allen Bradley 900423 Circuit Board 99397-427 Missing Clip - New No Box
Allen Bradley 92100000-A01 Circuit Board Rev B
Allen Bradley A20B-1004-0850/04A A20B1004085004A Circuit Board Y33 3 C6063 Used
ALLEN BRADLEY AB CIRCUIT BOARD CARD 80165-018-51 8016501851 REV. G
ALLEN BRADLEY CIRCUIT BOARD 74101-169-53 REV 21
ALLEN BRADLEY Circuit Board 900036, REV 10, 900036-9110, 8000VA, SHI[PSAMEDAY
Allen Bradley Circuit Board 900155 _ 9OO155 Rev 2 _ 898 _ 621898A01_ 621898AO1
ALLEN BRADLEY CIRCUIT BOARD 90015502 539 CNC BOARD REV
ALLEN BRADLEY CIRCUIT BOARD C/L 90033621 01 A01 T9137 B777 14 900337-01
ALLEN BRADLEY CIRCUIT BOARD CARD 80165-018-51J 80165-018-51R NEW
Allen Bradley Circuit Board PCB UPI 634488A-90 7835 _ 634488A90
Allen Bradley CNC Circuit Board PCB 636403-90 Rev 2 _ 636403-90
Allen Bradley OS 5580 Circuit Board PCB Module OS5580 90105506 9327963S-PC
Allen Bradley PCB Circuit Board 7300 Series UME 634978 9004 REV 4 _ 6349789004
ALLEN BRADLEY PCB CIRCUIT BOARD 900211-05 A01 NIB
ALLEN BRADLEY PN-C30165 CIRCUIT BOARD 140311 *NEW IN A BOX*
ALLEN BRADLEY SP-135893 CIRCUIT BOARD *NEW IN A BOX*
ALLEN BRADLEY SP-151097 ASSEMBLY PCB CIRCUIT BOARD *NEW IN BOX*
ALLEN BRADLEY SP-151157 POWER SUPPLY BASE DRIVE CIRCUIT BOARD
Allen Bradley UCS Circuit Board PCB 635206-90 REV-E2_635206_63520690
Allen Bradley UCV Circuit Board PCB 635311-90 REV-1_63531190 REV-1
ALLEN-BRADLEY CIRCUIT BOARD_8520-SPB_160596 REV. 2
ALSTOM 43297 029, 10309 00758 AB Circuit Board
AMADA PDT-R3B-10 CIRCUIT BOARD *NEW IN A BOX*
Andron IMM 1481 Mod Circuit Board rack CNC IMM1481 _ 486DX33_ EPZ 0111 SPR 0313
ASEA 2668 184-806/1 Circuit Board ABB - Used
Astec PSE6-300-034A Circuit Board Power Supply Burn In
Astec PSE6-300-034A Unisys 455018822-013 Circuit Board Power Supply Burn-In
Ausgangskarte Homatic Circuit Board 2-083-01-5410 _ 2083015410 _ HC020
Autotech MPC-M3100-M11 Circuit Board MPCM3100M11 (Pack of 3) - Used
BAILEY CIRCUIT BOARD 72311-02-04-04-01-01-15
BAILEY CIRCUIT BOARD 72311-03-04-04-01-01-15
BAILEY INFI-90 TRANSFER MODULE CIRCUIT BOARD INIIT02 103260
Barber Colman Circuit Board A-60010-103 Used #41664
BARBER COLMAN DATA HANDLER CIRCUIT BOARD_A-60010-709_A60010709_33-1664
BARBER COLMAN MACO 4000 DATA HANDLER PCB A-60010-004 CIRCUIT BOARD. PCBA60010-00
BARBER COLMAN MACO 4000 INPUT PCB LOWER A-13894 CIRCUIT BOARD. PCBA13894
BASLER ELECTRIC 9 2614 02 100 REV G CIRCUIT BOARD (NEW)
BAUMULLER SERVO CONTROL CIRCUIT BOARD MODULE 3.8426Ca
BENSHAW BIPC-300010-03 CIRCUIT BOARD BENSHAW BIPC30001003
BENSHAW CIRCUIT BOARD CARD BIPCRS6BC REV 10