IC641SWP311， IC641SWP311，IC641SWP311，
可編程控制器的組成介紹（以FX2N系列PLC為例）
外部的開關信號、模擬信號以及各種傳感器檢測信號作為PLC的輸入變量，它們經PLC的輸入端子進入PLC的輸入存儲器，收集和暫存被控對象實際運行的狀態信息和數據；經PLC內部運算與處理后，按被控對象實際動作要求產生輸出結果；輸出結果送到輸出端子作為輸出變量，驅動執行機構。PLC的各部分協調一致地實現對現場設備的控制。
（1）中央處理器CPU
CPU的主要作用是解釋并執行用戶及系統程序，通過運行用戶及系統程序完成所有控制、處理、通信以及所賦予的其它功能，控制整個系統協調一致地工作。常用的CPU主要有通用微處理器、單片機和雙極型位片機。
（2）存儲器模塊
隨機存取存儲器RAM用于存儲PLC內部的輸入、輸出信息，并存儲內部繼電器（軟繼電器）、移位寄存器、數據寄存器、定時器／計數器以及累加器等的工作狀態，還可存儲用戶正在調試和修改的程序以及各種暫存的數據、中間變量等。
只讀存儲器ROM用于存儲系統程序。可擦除可編程序的只讀存儲器EPROM主要用來存放PLC的操作系統和監控程序，如果用戶程序已完全調試好，也可將程序固化在EPROM中。
（3）輸入輸出模塊
可編程序控制器是一種工業控制計算機系統，它的控制對象是工業生產過程，與DCS相似，它與工業生產過程的聯系也是通過輸入輸出接口模塊(I/O)實現的。I/O模塊是可編程序控制器與生產過程相聯系的橋梁。
PLC連接的過程變量按信號類型劃分可分為開關量（即數字量）、模擬量和脈沖量等，相應輸入輸出模塊可分為開關量輸入模塊、開關量輸出模塊、模擬量輸入模塊、模擬量輸出模塊和脈沖量輸入模塊等。
Allen Bradley 1492-N4 - Marking Strip - (3 rolls of 25')
Allen Bradley 1492-CB3-G100 Circuit Breaker 10 Amp ! WOW !
ALLEN BRADLEY 1492-CABLE25H PRE WIRED CABLE FOR 1746 DIGITAL I/O * *
Allen Bradley 1492-BF Power Block Standard Feed Through
Allen Bradley 140-MN-0240 Starter Manual Motor Series-B 1.6-2.4AMP ! WOW !
Allen Bradley 140-MN-0160 Manual Motor Starter
Allen Bradley 140M-C2E-C20 Ser. A Motor Protector 14.5-20A 575V 3 Pole ! WOW !
Allen Bradley 140M-C2E-B40 MPCB Standard Magnetic Trip ! WOW !
Allen Bradley 140M-C2E-B25 Breaker 2.5 Amp WOW
Allen Bradley 140M-C2E-B10 Ser. B Manual Motor Starter 600V 0.63-1A ! WOW !
Allen Bradley 140-CDN66 Door Handle for 140-CMN Black
Allen Bradley 1305 VFD AC Drive 1305-BA03A 0.75KW 1 HP
ALLEN BRADLEY 104993 R05 REGULATOR CARD
Allen Bradley 100-M12NZ243 Mini Contactor 24VDC 12A ! WOW !
Allen Bradley 100-DNX41R Auxiliary Contactor ! WOW !
Allen Bradley 100-C37D00 Contactor 110/120V ! WOW !
Allen Bradley 100-C30ZD00 Contactor ! WOW !
Allen Bradley 100-C30DZ00 Contactor 30amp 24vdc! WOW !
Allen Bradley 100-C30DJ00 Contactor 30 Amp 24VDC ! WOW
Allen Bradley 100-C23ZZ10 Contactor 24VDC 600VAC 30A ! WOW !
Allen Bradley 100-C23D10 Contactor 110/120VAC ! WOW !
Allen Bradley 100-C16ZZ10 Contactor 7.5kW 400V 24VDC 1NO ! WOW !
Allen Bradley 100-C16ZD10 Contactor ! WOW !
Allen Bradley 100-C16DJ400 MCS-C Contactor 16A 24VDC IEC ! WOW !
Allen Bradley 100-C12KJ10 Contactor 12 Amp 24VDC WOW
Allen Bradley 100-C12DJ10 MCS-C Contactor IEC 12A 24VDC ! WOW !
Allen Bradley 100-C12DJ01 Contactor 12 Amp 24VDC ! WOW
Allen Bradley 100-C12B10 Contactor 12Amp 440/480V Coil ! WOW !
Allen Bradley 100-C09Z10 Contactor 9AMP 24VDC Coil ! WOW !
Allen Bradley 100-C09L10 Contactor 9 Amp 600V ! !
Allen Bradley 100-C09F10 Non-Reversing Contactor 1NO 3Pole 9A 220/230V ! WOW !
Allen Bradley 100-C09DZ10 Contactor 25A 600VAC 24VDC Coil ! WOW !
Allen Bradley 100-C09DZ01 Contactor 9AMP 600VAC 24VDC Coil ! WOW !
Allen Bradley 100-A30ND3 Contactor 30 Amp 120V ! AS-IS !
Allen Bradley 100-A09NZJ3 Contactor 9A 24VDC ! WOW !
ALLEN BRADLEY * * 872C-A5N18-A2 PROXIMITY SENSOR
1794-IF2XOF2I Allen Bradley Isolated Combo Flex I/O 1794-TB3 1794-IF2X0F2I Base
SPRECHER+SCHUH S+S CONTACTOR CA7-43-00-277 EQUAL TO ALLEN-BRADLEY 100-C43T00
NIB ALLEN BRADLEY 800T-PA16G ILLUMINATED PUSH BUTTON GREEN PILOT LIGHT 120 V
ALLEN BRADLEY 42DRU-5200 PHOTOSWITCH POLARIZED BEAM REFLEX PHOTOHEAD
- Allen-Bradley 440N-Z21S16A SensaGuard Non-Contact Switch
ALLEN-BRADLEY X-359510 Industrial Transformer ! WOW !
ALLEN-BRADLEY X 35452 Cross Bar Assy Starter&Contactor
Allen-Bradley Terminal Lugs Contactor 100-DL180
ALLEN-BRADLEY TC-714 | TC714 Coil 24VDC ! WOW !
Allen-Bradley Proximity Switch 872C0A10 N30 A ! WOW !
ALLEN-BRADLEY PROXIMITY SWITCH 200mA 872C-D3NN12-D4 WOW
ALLEN-BRADLEY MANUAL TOGGLE SWITCH TYPE 230V 600AX-4
Allen-Bradley Control Relay Type H 30A 700-HG47A1 ! NIB
Allen-Bradley Control Relay 300VAC 10A 700-MB310* ! WOW
Allen-Bradley Contactor NEMA Size 0 600V 9A 500-T0D94 B
Allen-Bradley Contactor 100-C09D10 110/120V 9A! WOW !
Allen-Bradley Auxiliary Contact 1.0-1.6A 193-TA B16 A
Allen-Bradley AC Relay Series B 700-P800A1 ! WOW !
Allen-Bradley AC Control Relay 700-PK800A1 A ! WOW !
Allen-Bradley AC Contactor 700-F400A1 B 110/120V ! WOW !
Allen-Bradley 872C-DH5NN18-D4 Proximity Sensor 10-30VDC
ALLEN-BRADLEY 872C-D3NN12-D4 Proximity Sensor ! IN BAG !
ALLEN-BRADLEY 872C-D3CP12-D4 Proximity Sensor ! !
ALLEN-BRADLEY 871T-L2A12 Proximity Sensor ! WOW !
ALLEN-BRADLEY 871C-D4NE12-A2 Proximity Sensor ! NO PKG !
ALLEN-BRADLEY 800T-H5A *NIB* SELECTOR SWITCH TYPE 4/13 SER T (2F0)
ALLEN-BRADLEY 800T-A6A *NIB* PUSH BUTTON TYPE 4/13 SER T RED (2F0)
ALLEN-BRADLEY 800T-16HX2KB6*NIB*ILLUMINATED SELECTOR SWITCH SER T 120V 1.2W(2E2)
ALLEN-BRADLEY 800H-R2D1 *NIB* PUSH BUTTON SWITCH TYPE 4/4X SER F (2F0)
ALLEN-BRADLEY 800H-JR4A *NIB* 3 POS SELECTOR SWITCH TYPE 4 4X/13 SER F (2F0)
ALLEN-BRADLEY 800H-AR6A *NIB* PUSH BUTTON SWITCH TYPE 4/4X/13 SER F (2F0)
ALLEN-BRADLEY 700-ZBR520AZ1 SAFETY RELAY SER A (1D1)
ALLEN-BRADLEY 700-NA40 Deck Cartridge Relay ! !
ALLEN-BRADLEY 700-N5 Surge Suppressor 150VAC ! !
Allen-Bradley 700-HTM-12MA1 Multi Range Timer on Delay 0.5s-300hrs ! WOW !
ALLEN-BRADLEY 700-HSMD Surge Suppressor Diode ! WOW !
ALLEN-BRADLEY 700-FEB3YU23 Circuit Breaker ! WOW !
ALLEN-BRADLEY 700-CF310ZJ 24VDC 600V 20A Control Relay WOW
ALLEN-BRADLEY 592-JOV16 Manual Overload Relay ! WOW !
ALLEN-BRADLEY 2090-U3CBB-DM12 CN1 CONTROL INTERFACE BOARD * * SER A (3E2)
ALLEN-BRADLEY 199-MSMV1 MovSuppressor 12-55VAC 12-77VDC
ALLEN-BRADLEY 199-MSMA1 Surge Suppressor 110-240V
ALLEN-BRADLEY 199-FSMA10 Surge Suppressor 50-125V ! WOW
ALLEN-BRADLEY 193-EB1FB Overload Relay 3.7-12A ! WOW !
ALLEN-BRADLEY 193-CPC 63 Overload Relay 45-60A WOW
ALLEN-BRADLEY 1794-TB2 FLEX I/O TERMINAL BASE *NIB* SER A
ALLEN-BRADLEY 1794-PS1/A POWER SUPPLY MODULE SER A (3A2)
ALLEN-BRADLEY 1771-P7 B POWER
