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目前，PLC在國內外已廣泛應用于鋼鐵、石油、化工、電力、建材、機械制造、汽車、輕

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#圖片僅供參考#

1．*處理單元（CPU） 
CPU作為整個PLC的核心，起著總指揮的作用。CPU一般由控制電路、運算器和寄存器組成。這些電路通常都被封裝在一個集成電路的芯片上。CPU通過地址總線、數據總線、控制總線與存儲單元、輸入輸出接口電路連接。CPU的功能有以下一些：從存儲器中讀取指令，執行指令，取下一條指令，處理中斷。 
2．存儲器（RAM、ROM）
 存儲器主要用于存放系統程序、用戶程序及工作數據。存放系統軟件的存儲器稱為系統程序存儲器;存放應用軟件的存儲器稱為用戶程序存儲器；存放工作數據的存儲器稱為數據存儲器。常用的存儲器有RAM、EPROM和EEPROM。RAM是一種可進行讀寫操作的隨機存儲器存放用戶程序，生成用戶數據區，存放在RAM中的用戶程序可方便地修改。RAM存儲器是一種高密度、低功耗、價格便宜的半導體存儲器，可用鋰電池做備用電源。掉電時，可有效地保持存儲的信息。EPROM、EEPROM都是只讀存儲器。用這些類型存儲器固化系統管理程序和應用程序。
 3．輸入輸出單元（I/O單元） 
I/O單元實際上是PLC與被控對象間傳遞輸入輸出信號的接口部件。I/O單元有良好的電隔離和濾波作用。接到PLC輸入接口的輸入器件是各種開關、按鈕、傳感器等。PLC的各輸出控制器件往往是電磁閥、接觸器、繼電器，而繼電器有交流和直流型，高電壓型和低電壓型，電壓型和電流型。  
4．電源  
PLC電源單元包括系統的電源及備用電池，電源單元的作用是把外部電源轉換成內部工作電壓。PLC內有一個穩壓電源用于對PLC的CPU單元和I/O單元供電。 
5．編程器  
編程器是PLC的zui重要外圍設備。利用編程器將用戶程序送入PLC的存儲器，還可以用編程器檢查程序，修改程序，監視PLC的工作狀態。除此以外，在個人計算機上添加適當的硬件接口和軟件包，即可用個人計算機對PLC編程。利用微機作為編程器，可以直接編制并顯示梯形圖。

Bastain Adjustable Leg Conveyor Belt Size: 24" wide, 86 1/2" long #53670

Hytrol Conveyor  Adjustable Legs, Belt Size 59" x 20" #48613

Cincinnati Milacron Conveyor 4CLR-12-40 #45712

Plastic Process Equipment Belt Gate Conveyor FIC-12 #65301

Hytrol Adjustable Legs Conveyor Belt Size 24" x 83" #50876

Hytrol Adjustable Leg Conveyor Belt Size:  28 1/8" Wide #53673

Ball Transfer Conveyor Adjustable Legs, Approx. 120 x 60 x 32 #49520

Custom Made Conveyor Belt Size 6 x 48 110 Volt Pull Out Swivel  #44102

Adjustable Leg Conveyor Belt Size: 120 3/4" x 23 3/4"  #65123

CSC Belt Conveyor G91P097200076, Belt Size: 250" x 29 1/4" #64906

Adjustable Leg  Roller Conveyor 15 1/2" Roller #50925

Hytrol Adjustable Leg Conveyor , Belt Size 20" Wide, 250" Long #50352

Hytrol Conveyor Adjustable Legs, Belt 20" W x 250" L #50349

CSC Belt Conveyor G91P097200076, Belt Size: 22' 9" x 35 1/2" #64977

TEC Conveyor H 36 8, Belt Size 35 1/2" x 99" #56497

Ashland Adjustable Leg Conveyor 18" Wide Belt  Approx. 253 x 28 x 30 1/2 #53677

Van Dorn HT Series 20 Oz injection Unit  #64905

CSC Belt Conveyor G91P097200076, Belt Size: 136 1/2" x 35 3/4" #64978

Hytrol Adjustable Leg Conveyor #59595

Custom Made Conveyor Pull Out Swivel 110 Volt #44100

Roller Conveyor Belt Size 20" W x  211" L,  Approx. 33 x 211 x 36  #52926

Hytrol Belt with Gate Conveyor 586928 #49945

Crizaf Conveyor LSE/N Belt Size 57 3/4" x 15" #63613

Hytrol Curved Conveyor Rollers 32 1/2" #50497

Gescofab Adjustable Leg Conveyor Belt Size: 70" wide, 119" long #53672

Custom Made Conveyor 110 Volt Pull Out Swivel  #44104

Industrial Conveyor Belt  Size 20" Wide 107" Long, Approx. 107 x 31 x 64 #53122

Custom Made Conveyor Pull Out Swivel 110 Volt #44099

Hytrol Conveyor Belt Size 142 1/2 x 20" #48604

Rapistan Adjustable Leg Conveyor , Belt: 20" Width x 139" Length #53123

Hytrol Adjustable Leg Conveyor #59731

Maruyasu Rotating Conveyor #57508

CSC Belt Conveyor C91RL99230600 #64976

Hytrol Adjustable Leg Roller Conveyor, Rollers 26 3/4" #53221

Roach Adjustable Leg Conveyor Belt 20" Wide Approx. 300 1/2 x 33 x 44  #53678

Hytrol Adjustable Leg Roller Conveyor, Rollers 25 5/8" #53124

Conveyor Belt 36" W x 201" L #55956

Belt Conveyor Belt Size: 64 1/8" x 14 1/2" #59184

Custom Made Conveyor 110 Volt Pull Out Swivel  #44105

Industrial Conveyor, Size 43 3/4" x 12 1/2" #47013

RO-FLEX Conveyor, Size 59" x  27"  #47017

Hytrol Adjustable Legs Conveyor #50877

Hytrol Roller Conveyor Roller Size 14 3/4" #55999

Rapistan Curved Roller Conveyor ASY75-00741 #53250

Novatec 16 Station Conveying System MCS-216 #57144

Adjustable Leg  Roller Conveyor 15 1/2" Roller #50924

Hytrol Adjustable Leg Conveyor, Belt Size 250" Long x 20" Wide  #50351

Powered Roller Conveyor #56248

MAC Adjustable Leg Belt Conveyor SFA0636 M5-VS22-CT7C-B2 #65185

Roller Conveyor 17 1/2" W Rollers #50922

TEC Adjustable Leg  Conveyor H 13.5 21 Belt: 13 1/8" w, 255" l #53687

Okura Rotating Conveyor 70C90N10Z09 #58231

Adjustable Leg Conveyor, 47 Tallest, 19 1/2 Shortest #50350

New Itoh Denki Conveyor Roller PM486BS-15-214-3-200-JH #52037

Adjustable Leg Conveyor Belt  147" L x 19" W, Approx. 152 x 33 x 58 1/2 #50890

Custom Made Conveyor Roller Size Approx 6 x 48 #44106

AP Dataweigh In-Motion Check Weighers Conveyor Belt Size 23"W x  84"L #52923

Roller Conveyor Roller Size: 35 5/8" Wide, 94 1/2" Long #60753

Plastic Process Equipment Conveyor ICB-1806MSVS #64410

Rapistan Conveyor K0062-72EBR Belt 30" W x 167" L #53970

Powered Roller Conveyor #56247

Hytrol Curved Roller Conveyor Roller Size 26 3/4"  #53251

Powered Roller Conveyor #56248

Axmann Adjustable Leg Roller Conveyor 5111 #60749

Axmann Adjustable Leg Roller Conveyor 5111 #60099

Plastic Process Equipment Conveyor ICB-1806 #61219

Rapistan Adjustable Leg Roller Conveyor ASSY75-00759 #53229

Adjustable Leg Conveyor Belt 21 1/2" #56004

Hytrol Adjustable Legs Roller Conveyor #51167

Rapistan Roller Conveyor, Belt 30" wide #56196

Hytrol Roller Conveyor Roller Size 15" wide #56121

HK Systems Roller Conveyor 19 3/8" #55998

TEC Adjustable Leg Conveyor H 20 13-4 #56215

ABB 20 Hp Motor MK171012-BX-142, 1170 RPM #54221

Curved Roller Conveyor Roller Size 35 5/8" Wide #56135

TEC Adjustable Leg Conveyor H-36 3-6 #55997

Adjustable Legs Conveyor Rollers 30 3/4" #51466

Adjustable Leg Roller Conveyor Roller Size 15 3/8" wide #56136

Adjustable Leg Roller Conveyor, Rollers 35" Wide #53214

TEC Adjustable Leg Conveyor H 20 11-6 #56216

TEC Adjustable Leg Conveyor H 2013 Belt  21 1/2 w, 160" l #53684

Hytrol Roller Conveyor, Roller Size 22 3/4" #56154

Hytrol Roller Conveyor Roller Size 12.3/4" Wide #56137

Hytrol Adjustable Leg Roller Conveyor, Roller Size 18" #56142

Rapistan Curved Roller Conveyor ASY75-00741 #56153

Hytrol Adjustable Leg Roller Conveyor, Roller Size 30 3/4" wide #53954

TEC Conveyor N/0 24 3 9-6, Belt Size: 27 7/8" x 155 1/2" #61215

Novatec 8 Station Control Box W/ Allen Bradley DTAM PLUS  #57141

EMI Conveyor KKIX-24-4-5-20, Belt Size 146" x 26:"  #63102

Portec Adjustable Leg Conveyor 50C37-00 #53126

Incoe Power Dia Conveyor 80,000 lb capacity #56650

Hytrol Belt Conveyor w/ Roller Section, Belt 15'8" x 2' #65107

Roller Conveyor,  Approx. 180 1/2 x 50 1/2 x 40, Rollers 30 3/4" #51618

Hytrol Adjustable Leg Conveyor  Belt Size: 15' 8" Long x 2' wide  #64811

Adjustable Leg Roller Conveyor Roller Size 15 1/2" wide #56133

Curved Roller Conveyor, Roller Size 37 1/2" #55992

Hytrol Adjustable Leg Roller Conveyor, Roller Size 14 3/4" #56141

Hytrol Roller Gate Conveyor Approx. 77 x 32 x 28 #49546

Hytrol Adjustable Leg Roller Conveyor,  Rollers 20 3/4" #51903

Steel Trak Adjustable Legs Conveyor T1-722-2- 1/2 #50889

TEC Adjustable Leg Conveyor H 2012, Belt 21 3/4 w, Approx. 151 x 38 x 99 #53682

Adjustable Leg Roller Conveyor Rollers:  36" w, 140" outside, 92 1/2" #53680

Hytrol Adjustable Leg  Roller Conveyor , Rollers  20 3/4" Long #53223

Bastain Adjustable Leg Conveyor Approx Dimensions: 120 x 120 x 34 3/4 #53669

Adjustable Leg Roller Conveyor, Rollers 20 3/4" wide #53953

Hytrol Roller Conveyor Rollers 32 1/2", Approx. 80 x 149 x 86  #52557

Curved Roller Conveyor, Roller Size 37 1/2" #55992

TEC Conveyor N/0 24 3 9-6, Belt Size: 27 7/8" x 155 1/2" #61215

TEC Conveyor H 20 9-8, Belt 21 1/2 wide x 119 long #56151

TEC Conveyor H 20 12, Belt 21 3/4 wide x 147 long #56152

Roller Conveyor,  Approx. 39 x 164 x 80 1/2, Rollers 26 3/4" to 1 1/2" #52555

New Tsubaki Roller Chain RS50 100 Foot Reel #43373

TEC Adjustable Leg Roller Conveyor H 2014 Belt: 21 1/2" wide, 171" long #53681

Durant Counter 57601-403 #49717

Melsec AY11A High Speed Counter Controller #8008

Stewart Warner Elapsed Time Indicator LR 42455 Counter #42858

Kep Counter M221/M162/US, 110 VAC #32883

Allen Bradley Plastic Molding Module 1771-QDC Firmware A #29779

SCI Thumb Wheel Assembly 20074 #23979

NEW Curtis Digital Meter A91L-0001-0202, 700 Series #45610

New Red Lion Controls Miniture Counter Cub20000 #43253

Kep Thumbwheel Counter TWSTB POL.O #51092

SCI Epic System Status Detector 21944 Counter #42852

Hokuyo Automatic Auto Counter AC-NKB5 #43750

Electro Lab Counter H235-1-0140-0-0-0  #23161

Redington Counter R2-3106, 115 VAC #42853

Eagle Signal Reset Counter HZ40A6A242 #56988

Hokuyo Automatic Auto Counter AC-NKB5 #43759

Eagle Signal Reset Counter HZ40A617 #56989

NIB Red Lions Control Counter LIBCIE00 #28518

NEW ABB Analog Input IMFEC11 #11150

Hokuyo Automatic Auto Counter AC-NKBA4 #43749

Omron C200H-CT001-V1 Counter Module #17344

Keyence Electronic Single High Speed Counter RC2-21 LED Display #35521

Veeder Root Mini LX Totalizer 799806-212 #13340

ATC Counter Timer 353A-347-A-30-PX #46159

New Browning Coupling  L096x5/8 x 3/16 #34335

Morris Coupling 8-3C-OD #39025

NEW Magnaloy Coupling 300 #22181

New Appleton Conduit Coupling EC-300, Size 3 #30915

New Gunnebo Coupling Chain G7/8-8 #29983

Martin Flex Coupling F7SH #15548

Flange 11", 6" Inside Diameter, Braided Coupling #13534

Omron CPU Module CJ1M-CPU12  #21130

Omron CPU Base Unit C200H-BC101-V2 #7843

Omron Identification Controller V600-CD1D-V2 #17584

Siemens CPU Module T1315-DD #17303

GE Fanuc 1C610CPU104A CPU Module #21131

Siemens CPU Module S7, 6ES7 318-2AJ00-0AB0, CPU318-2 #41893

Bimba Cylinder 704-4RMT 3.5" Stroke #32314

Fanuc IC693CPU323N Base Unit & CPU #8713

Siemens Central Processing Unit T1315-AA    #17271

Mitsubishi CPU Module A2USCPU-S1 #7703

Allen Bradley CPU Module 1747-L514 Series B #14592

Modicon Compact CPU Module PC-A984-145 #22469

Dell Celeron Processor, CPU3074, #8786

Westinghouse NL-325 Lamp Driver Module #20791

PLC Direct CPU Module D3-340 #47656

General Electric CPU Module 1C610CPU101C #6675

NEW Modicon CPU Module 110CPU51201, .5 Amp, 115 Volt #44702

pHd Pneumatic Slide Unit BS061X16-D-HA #30934

Sun Microsystems  EN1SA Server  #56271

Modicon CPU Module 110CPU51201, .5 Amp, 115 Volt #44686

AEG CPU Module PC-A984-141, 8K Memory #47785

Siemens CPU Controller Simatic S5 6ES5 943-7UB11 #23530