国产三线在线,亚洲久草在线视频,9久re热视频在线精品,久久久xxx

IC693CPU313

IC693CPU313

IC693CPU313

CPU主要由運算器、控制器、寄存器及實現(xiàn)它們之間聯(lián)系的數(shù)據(jù)、控制及狀態(tài)總線構(gòu)成,CPU單元還包括外圍芯片、總線接口及有關(guān)電路。內(nèi)存主要用于存儲程序及數(shù)據(jù),是PLC不可缺少的組成單元。

在使用者看來,不必要詳細分析CPU的內(nèi)部電路,但對各部分的工作機制還是應(yīng)有足夠的理解。CPU的控制器控制CPU工作,由它讀取指令、解釋指令及執(zhí)行令。但工作節(jié)奏由震蕩信號控制。運算器用于進行數(shù)字或邏輯運算,在控制器指揮下工作。寄存器參與運算,并存儲運算的中間結(jié)果,它也是在控制器指揮下工作。


CPU速度和內(nèi)存容量是PLC的重要參數(shù),它們決定著PLC的工作速度,IO數(shù)量及軟件容量等,因此限制著控制規(guī)模。

I/O模塊

PLC與電氣回路的接口,是通過輸入輸出部分(I/O)完成的。I/O模塊集成了PLC的I/O電路,其輸入暫存器反映輸入信號狀態(tài),輸出點反映輸出鎖存器狀態(tài)。輸入模塊將電信號變換成數(shù)字信號進入PLC系統(tǒng),輸出模塊相反。I/O分為開關(guān)量輸入(DI),開關(guān)量輸出(DO),模擬量輸入(AI),模擬量輸出(AO)等模塊。

常用的I/O分類如下:

開關(guān)量:按電壓水平分,有220VAC、110VAC、24VDC,按隔離方式分,有繼電器隔離和晶體管隔離。

模擬量:按信號類型分,有電流型(4-20mA,0-20mA)、電壓型(0-10V,0-5V,-10-10V)等,按精度分,有12bit,14bit,16bit等。


除了上述通用IO外,還有特殊IO模塊,如熱電阻、熱電偶、脈沖等模塊。

按I/O點數(shù)確定模塊規(guī)格及數(shù)量,I/O模塊可多可少,但其最大數(shù)受CPU所能管理的基本配置的能力,即受最大的底板或機架槽數(shù)限制。

電源模塊

PLC電源用于為PLC各模塊的集成電路提供工作電源。同時,有的還為輸入電路提供24V的工作電源。電源輸入類型有:交流電源(220VAC或110VAC),直流電源(常用的為24VDC)。

底板或機架

大多數(shù)模塊式PLC使用底板或機架,其作用是:電氣上,實現(xiàn)各模塊間的聯(lián)系,使CPU能訪問底板上的所有模塊,機械上,實現(xiàn)各模塊間的連接,使各模塊構(gòu)成一個整體。
NATIONAL INSTRUMENTS DAQ System PCI-DIO-96 182920D-01

National Instruments NI PXI-5600 Card 

National Instruments TB-2705 Screw Terminal Block 

National Instruments NI GPIB SCSI-A Interface

National Instruments NI PCI-6011E - Save $1350

National Instruments NI FieldPoint FP-RLY-422 SPDT 4Ch

NATIONAL INSTRUMENTS 16-PORT SERIAL BREAKOUT BOX RS-232

National Instruments PCI-6013 Basic 200 kS/s 16 Bit

National Instruments NI PCI-1407 Card

National Instruments PCI-232/8 Serial Port w/ 68 PinCon

National Instruments NI PCI-6601 Card

National Instruments NI PCI-1200 Card TESTED

NATIONAL INSTRUMENTS PCI-8430 RS-232 INTERFACE 4-PORT

National Instruments: 183480E-01 PCI-DIO-32H Board 

NEW NATIONAL INSTRUMENTS THERMOCOUPLE-J CONNECTOR PANEL

NATIONAL INSTRUMENTS PCI-6071E DATA ACQUISITION TESTED

NATIONAL INSTRUMENTS 182885E-01 PLUG/PLAY CARD

NATIONAL INSTRUMENTS CFP-TC-120 THERMOCOUPLE MODULE

National Instruments NI PCI-6014 Card tested

NATIONAL INSTRUMENTS SCC-CI20 CURRENT INPUT 2-CHANNEL

National Instruments CB-2162 Proto VHDCI - FREE WW SHIP

DB37 Male IDC Connector for NI National Instruments

National Instruments SH100100 Shielded Cable 182853-02

National Instruments 9933 37pin D-Sub connector kit NIB

NATIONAL INSTRUMENTS PCI 232/485 RS-232 CARD 8-CHANNEL

National Instruments NI FieldPoint FP-RTD-122 8Ch RTD

NEW National Instruments PCMCIA 485/2 2-Port Serial Int

NATIONAL INSTRUMENTS 184384C-01 MULTIFUNCTION I/O BOARD

DB37 Fem IDC Ribbon Connector for National Instruments

National Instruments AT-GPIB/TNT 181830F-01 Card

NI NATIONAL INSTRUMENTS PCI-6071E 184411C-01

LOT 2 NATIONAL INSTRUMENTS DAQ BOARD PCI-6516 PCI-232

NI National Instruments PCI-MIO-16EX-50 183454E-01 ++

National Instruments NI PCI-CAN #183887B-02 Dual Port

National Instruments NI PXI-6528 Card TESTED

National Instruments PCI 6220

National Instruments PCI 6220

National Instruments PCI 6220

National Instruments PCI 6220

National Instruments PCI 6220

National Instruments PCI 6220

NI National Instruments AT-MIO-16E DAQ Card ++

NATIONAL INSTRUMENTS New SCB-100 + SH100-100-F Cable

NI SCB-100 Part No.182788B-01 National Instruments

National Instruments ISA PC-DIO-96/PNP Card

NATIONAL INSTRUMENTS NI PCI-GPIB IEEE 488.2 18361TESTED

NI National Instruments DAQ SC-250x Series User Manual

National Instruments cFP-RTD-122 8-Ch RTD Input

NI National Instruments PCI DIO96 CARD - Save $290

National Instruments CFP-RLY-421 RELAY SPST Module 8-CH

National Instruments PCI 6220

National Instruments PCI 232/485 2-CH DAQ Card 184686D

National Instruments NI FP-AI-102 8Ch High Volt Analog

NATIONAL INSTRUMENTS PCI-8252 IEEE-1394 FIREWIRE 3-PORT

NATIONAL INSTRUMENTS GPIB to USB Adapter 

National Instruments PXI-8422 RS-232 Serial Interface

National Instruments PCI 6220

NATIONAL INSTRUMENTS NI-DAQ SOFTWARE WINDOWS 95/NT/3.1

NATIONAL INSTRUMENTS SCXI-2000 MAINFRAME

National Instrument LAB-PC 180835-01 Rev. D

National Instruments NI PXI-2544 Card TESTED

NATIONAL INSTRUMENTS NI GPIB-VXI/C 184511B-01

National Instruments NI PCI-232/485 2-Channel 

National Instruments NI AT-MIO-16E-10 FREE WW SHIPPING

50 Pin w/ VERTICAL Ejector for National Instruments

National Instruments NI BNC-2080 Rev B2 002287

NI National Instruments AT-MIO-64E-3 12-Bit 64AnalogDAQ

National Instruments 181-7617-1C SCSI Card - ZX-Box Int

NATIONAL INSTRUMENTS AT-MIO-16 180705 180705-11 PCB 

NATIONAL INSTRUMENTS CFP-A0-200 CURRENT OUTPUT MODULE

National Instruments 9932 10 Position Connector Block

National Instruments SC-2050 #100636

National Instruments AT-GPIB/TNT Plug & Play IEEE 488.2

NI National Instruments PCI 232/485 8Ch Interface Card

National Instruments: ER-8 with CB-50LP I/O Connector 

NATIONAL INSTRUMENTS SCXI-1100 MULTIPLEXER AMPLIFIER NI

National Instruments 181060-01 AT-GPIB IEEE-488.2 CARD

NI National Instruments PCI-CAN Card 

National Instruments FLKM 50 - 50 Pin Breakout DIN Mont

LOT NATIONAL INSTRUMENTS COMBO SOFTWARE DAQMX PXI SCXI

National Instruments F Bus Card Fieldbus NI# 1837690

50 Pin w/ Right Angle Ejector for National Instruments

SCB100 and NATIONAL Instruments PCI DIO96 + DIO CARD

National Instruments SCXI-1000 w/ SCXI-1120 & 1320 ++

NATIONAL INSTRUMENTS SCXI-1000 MAINFRAME W/ SCXI-1322

National Instruments Terminal Base FP TB-10 Dual Ch

NATIONAL INSTRUMENTS NI PCI-GPIB IEEE 488.2 183617k-01

National Instruments GPIB-SCSI: Controller IEEE-488

NI NATIONAL INSTRUMENTS SCXI-1124

National Instruments At-gpib/tnt+ Card

National Instruments Din Rail Mounting Kit # 777972-01

NATIONAL INSTRUMENTS NI GPIB-USB-B IEEE 488.2 TESTED

NATIONAL INSTRUMENTS PCI-MIO-16E-4 DAQ CARD

National Instruments NI PXI-1006 Chassis + DAQ Cards

National Instruments Cable Assy IMAG-A2504-1 DB25 BNC

National Instruments SCXI-1300 185161A

NATIONAL INSTRUMENTS NI PCI-GPIB HIGHT SPEED TESTED

NATIONAL INSTRUMENTS NI PXI-8335 MXI-3 PXI TO VXI BRIDG

National Instruments AT-MIO-16DE-10 w/ 60 day warranty

National Instruments SCXI-1180 Feedthrough Panel

National Instruments SCXI-1351 One-Slot Cable Extender

NATIONAL INSTRUMENTS 76507-02 TYPE X2

National Instrument 5102 2 channel 20 MS/s 8-bit

National Instruments SCXI-1314

NATIONAL INSTRUMENTS GPIB-SCSI-A CONTROL

National Instruments PXI-1045 Chassis 189105E-01

National Instruments NI PXI-6508 Digital I/O

National Instruments PXI-1010 8-Slot PXI/4 SCXI Chassis

National Instruments SCXI-1166 Relay Module

National Instruments SCXI-1366 Terminal Block

National Instruments NI PXI-4071 71/2 Digit FlexDMM

National Instruments PXI-2530 128-Channel Reed Relay

National Instruments GPIB-120A Bus Expander Isolator

National Instruments SCXI-1000 SCXI-1121 SCXI-1160 Mint

National Instruments NI SCXI-1193 Multiplexer/Mat?rix

National Instruments VME-MXI-2 Board

National instruments FP-AO-200 & FP-TB-1

National instruments FP-3000 network interface

National Ins. 181065-02 Gpib-pcii National Instruments 

National Ins. GPIB-PCII Gpib-pcii National Instruments 

National Ins. 182887E-01 National Instruments At-gpib/t

National Instruments ER-16 Module Assembly 183064B-02

National instruments 181065-01 Rev.E

National Instruments SH100100 Shielded Cable, New

National Instruments SCXI-1100

NI National Instruments VME-MXI-2 Mainframe Extender 

National Instruments PCI-232/485 , 4CH board

National Instruments 763061-02

National Instruments NI PXI-6713 Analog Output

National Instruments GPIB-PCII/IIA National Instruments

NATIONAL INSTRUMENTS ASSY, 8-PORT GPIB STRIP

National Instruments CB-68LPR

NATIONAL INSTRUMENTS GPIB-120A BUS EXPANDER / ISOLATOR

National Instruments 184608B-01

NATIONAL INSTRUMENTS VXI-MXI-2 183345D-03 EXTENDER CARD

National Instruments 182787c-01 rev1 Ieee-488.2 Isa Boa

National Instruments NI PCI-GPIB / LP card Interface

NATIONAL INSTRUMENTS GPIB-PCII / IIA ASSY 181065-01

National Instruments EXM-GPIB Interface Card

National Instruments GPIB-VXI-C VXI bus C-size module,

National Instruments VME-MXI-2 MXI-2 bus interface for

National Instruments 182801A-002 VXI-MXI Cable, 2 Meter

National Instruments 181520J-0110 GPIB-VXI/C Module

NATIONAL INSTRUMENTS 9628 ERNI 024069 CABLE 2 ENDS

National Instruments SCXI-1125 8-Channel Amplifier Card

National Instruments AT-GPIB/TNT

NATIONAL INSTRUMENTS NI GPIB IEEE 488 Adapter 4.1m

National Instruments 779301-512 MB Upgrade PXI-8196/95

NATIONAL INSTRUMENTS Model SCXI 1100 / 32 CHANNEL

National Instruments NI PXI-GPIB 

National Instruments (NI) VME-MXI-2 VMEbus Extender VME

NATIONAL INSTRUMENTS VXI-MXI-2 183345E-03 EXTENDER CARD

National Instruments GPIB-796P Card

National Instruments (NI) 777567-01 Power Supply

(5) National Instruments GPIB 1 M Cables 763061-005 

National Instruments 763507B-02 X2 GPIB 2.0 Meter

National Instruments VXI-MXI-2

National Ins. 181067-01 Gpib-pcii National Instruments 

National Ins. 182885E-01 National Instruments At-gpib/t

National Ins. 181830F-01 National Instruments At-gpib/t

National Ins. 181832E-01 National Instruments At-gpib/t

National Ins. 181830E-01 National Instruments At-gpib/t

National Instruments/Tek?tronix GPIB adapter 180212-01 A

National Instruments EXNAT-GPIB

National Instruments GPIB-1014 VMEbus Interface, New

National Instruments AT-GPIB National Instruments At-gp

National Instruments AT-GPIB/TNT National Instruments A

National Instruments SB-GPIB/TNT 182390C-01

HV# National instruments VXI-MIO-64XE-10

HV# National instruments VXI-MXI-2

National Instruments GPIB-USB-A iVIEW TLA Scope Cable

National Instruments EXNAT-GPIB-TNT Ieee-488.2 Isa Boar

NATIONAL INSTRUMENTS CARTS Model AT-GPIB / TNT