商铺名称：大德汇成科技（厦门）有限公司
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商品详情
电源
中央处理单元
中央处理器由控制器、运算器和寄存器组成，这些电路都集中在一块芯片上，通过地址总线、控制总线与存储器的输入/输出接口电路相连。中央处理器的作用是处理和运行用户程序，进行逻辑和数学运算，控制整个系统使之协调。 [6]
存储器
存储器是具有记忆功能的半导体电路，它的作用是存放系统程序、用户程序、逻辑变量和其他一些信息。其中系统程序是控制PLC实现各种功能的程序，由PLC生产厂家编写，并固化到只读存储器(ROM)中，用户不能访问。 [6]
输入单元
输出单元
输出单元也是PLC与被控设备之间的连接部件，它的作用是把PLC的输出信号传送给被控设备，即将中央处理器送出的弱电信号转换成电平信号，驱动被控设备的执行元件。输出的类型有继电器输出、晶体管输出、晶闸门输出。 [6]
PLC除上述几部分外，根据机型的不同还有多种外部设备，其作用是帮助编程、实现监控以及网络通信。常用的外部设备有编程器、打印机、盒式磁带录音机、计算机等。
(2)编程容易。PLC的编程多采用继电器控制梯形图及命令语句，其数量比微型机指令要少得多，除中、高档PLC外，一般的小型PLC只有16条左右。由于梯形图形象而简单，因此容易掌握、使用方便，甚至不需要计算机专业知识，就可进行编程。 [8]
(4)输入/输出功能模块齐全。PLC的最大优点之一，是针对不同的现场信号(如直流或交流、开关量、数字量或模拟量、电压或电流等)，均有相应的模板可与工业现场的器件(如按钮、开关、传感电流变送器、电机启动器或控制阀等)直接连接，并通过总线与CPU主板连接。 [8]
近年来，微处理器的使用，特别是随着单片机大量采用，大大增强了PLC的能力，并且使PLC与微型机控制系统之间的差别越来越小，特别是高档PLC更是如此。
Compaq Matrox G200 MMS 2-Cables Kit New 171910-001
Compaq Matrox G200 MMS 2-Cables Kit New 171976-001
Compaq Matrox MIL2-Mod12 12MB Video RAM 270310-001
IBM/Matrox 2D/3DG200 AGP G2+DMILA/8/IBM 37L2382
HP Matrox 12MB Millennium II WRAM Upgrade MIL2-MOD12-CP
Matrox/HP 5064-3388 MIL2P/8MB/HP Video Card D3568-69201
MATROX 798-02 A USED BOARD
Matrox 888-01 Rev A Graphics AGP Video Card G2+DMILA/8/IBM
MATROX - MGA-2164WP-C PCI Video Card TPV3026
Lot of 3 Matrox 906-04 Creative CT7120 Dual VGA PC-DVD 32MB PCI AGP Video Card
Lot of 3 AGP Video Matrox G100A/4/CPO A128A2-8M SIS 6326 8MB HP-332887-002 Cards
Lot of 2 Video ATi 109-57400-00 Apple 820-1012-A G4 Matrox MIL2A/8/DELL 56505
Matrox G45+MDHA16DLXB Dual Monitor AGP Graphics Card 16MB
Matrox Nvidia Quadro2 AGP EX 3D 32MB 1xVGA Video
LFH-60 to Two DVI 1' Splitter Cable Adapter Matrox G450 G200 16123-00 16029-01
MATROX 7003-0301 GRAPHICS 32MB DUAL VIDEO CARD
Matrox VGA 8MB AGP Video Card 01K4340
Matrox DVI & VGA 32MB AGP Graphics Card 7012-03 G55+MDHA32D
Matrox G45+MDHA16D G450 16MB AGP Dual VGA OEM WITH CABLE
Matrox G45+MDHA16DLXB G450 16MB AGP Dual VGA WITH CABLE
IBM/Matrox 09N9237 G450 16MB AGP Dual VGA OEM WITH CABLE
Dell Matrox 0608ux G45+mdha32d AGP Dual VGA Video Card
Matrox 8MB Dual Game/VGA PCI Video Card
Matrox 7003-0301 32mb DVI VGA PCI Video Card
Compaq Matrox Millennium G200A 8MB AGP 402125-001 400778-002
Matrox 8MB 873-03 5064-9191 AGP VGA Video Card
ADDA Matrox G450 Video Card Fan AD0512HX-RB6 G45X4QUAD
Compaq Matrox G400 DVI Graphics Board
Matrox G4+MDH4A16G G400 32MB Dual-VGA AGP Video Graphics Adapter Card M906-04
HP Matrox Millennium 2MB PCI Game/VGA Video Card
Compaq BD Matrox G200 8MB AGP Video Card
MATROX MGA AGP VGA Video Card 5064-6048
Matrox MGA-MIL/4C 4MB PCI Video Card 4 MB 590-05
Matrox 8MB AGP Video Card - G200 G200
COMPAQ MATROX MILLENIUM G400 16MB AGP 163361-001
MATROX MGA-MYST/4BN PCI VIDEO CARD
MATROX MIL2P/4BM/20 PCI VIDEO CARD
LOT OF 5 MIXED AGP VIDEOCARDS NVIDIA MATROX INNO 3D ATI
Matrox G45FMDVP32DB 32MB Millennium G450 PCI DVI/HD Video Graphics Card Adapter
MATROX G45FMDHP16DB PCI Millennium G450 16M DUAL VGA
Matrox Vertex M1
Matrox 220 4MB Dual Head PCI Video Card
Matrox Millennium G400 32MB 4x AGP VGA Video Card
Matrox 590-05 CBA03380 4MB VGA MAC PCI Video Card
Matrox Millennium G450 Graphic Dual Head Video Card AGP 32MB G45FMDHA32DB
Matrox AGP G45FMDHA32DB Millennium G450 DualHead Graphics 971-0302 rev.:A TESTED
VIDEO CARD MATROX G4+MMDHA32/DELL AGP DUAL VIDEO CARD
Enlarge
matrox P65-MDDE128 Millennium P650 128MB PCI Express x16 Workstation Video Card
MATROX G+/Dualp PCI Graphics board (796-01)
IBM Matrox G450 16MB AGP Video Card 22P1987 G45+MDHA16D/IBM 971-0302
Matrox Millennium G550 32MB AGP Video Card G55MADDA32DB
Matrox Graphics G45FMDVA32DOE3 Millennium G450 AGP 4x DVI-D/VGA DDR
Matrox G55MDDLP32DB-D G550 Dual VGA PCI
MATROX 32MB PCI DVI VGA VIDEO CARD 7003-0301 G45FMDVP32DB
IBM MATROX 32MB G450 AGP 4X DVI VIDEO CARD 25P6691 G45FMDVA32DOE3
MATROX 32MB AGP DVI VGA VIDEO CARD G55+MDHA32DR 7012-03
MATROX 8MB AGP VIDEO CARD MIL2A/8F 728-02
HP/Matrox 873-03 VGA 8MB AGP Video Card 5064-9191
Matrox Mill G400 32MB AGP Video Card NEW 5064-9192
Matrox G400 32MB AGP Video Card NEW G4-MILA32-0E5
Matrox Mill G400 32MB AGP Video Card NEW G400-32
Matrox Mixer LC 481-01 ISA SCSI Controller Card
Matrox video card G550 dual port G55MADDA32DB
MATROX G450 DVI DUAL DISPLAY VGA 32MB ATX AGP XP VIDEO CARD + DRV & DUAL VGA CBL
GR A Matrox G55MADDA32DB Video Board G550 Dual Display With Cable
GR A Matrox G2/MEC0A8B/20D Video Card 8MB AGP
Matrox Millennium G400 32MB AGP Video Card 846-0201
Matrox G+/DUALP 796-01 PCI Multi Video Card
MATROX 8MB VIDEO CARD GRAPHIC ADAPTER MGA-MIL/2N 576-06
Matrox G45FMLDVA32DB Millennium G450 32MB AGP Card
Matrox 672-04 AGP VGA Video Card
Apple Matrox DV xpress MX 968-03 VGA PCI Video Card
Matrox G450 32MB Dual Head AGP VGA Video Card G45+MDHA32DB
MATROX G550 DUAL DISPLAY VGA LOW PROFILE SFF XP PCI VIDEO CARD + DRIVER & CABLE
Matrox MGA-6200B 8mb SDRAM AGP Video Card
MATROX G450 DUAL DESKTOP MONITOR DVI VGA PCI WIN XP VIDEO CARD + DRV& ADAPTER
MATROX P650 128MB DUAL DISPLAY DVI ONLY XP PCI-E VIDEO CARD + XP/VISTA DRIVER CD
Matrox G550 32MB AGP Video Card 7071-00 Rev.A
SFF LOW PROFILE DUAL MATROX G550 32MB AGP G55MADDA32DB MULI MONITOR VIDEO CARD
Matrox 203626-001 G450 Dual VGA 32MB Internal Video Graphics Card
HP D5064-6048 Matrox MGI G100A/4/HP 4MB AGP Video Board
IBM/Matrox G200 EVC 8MB 2/3D AGP Video Card 10L7129
IBM/Matrox G200 DVI 8MB 2/3D Video G2-150A-8D
Matrox Millennium G450 32MB Dual Head AGP Video G45+ 30 Day Warranty
Matrox G45+MDHA16D/IBM Dual VGA AGP Card
Matrox Millenium G450 Graphic Card - New OEM
22P1987 IBM G450 16Mb Agp4X Matrox Wb
MATROX G+/PROA/8BN/20 G100A AGP 4MB GRAPHICS CARD 815-01
Compaq 007412-001 PCI Video Card - MGA Matrox Chipset
Vintage Matrox MGA-MYST/4BN PCI Video Card Tested
Vintage Matrox MGA-IMP+/P PCI Video Card Tested
Vintage Matrox MIL2P/4BN/20 PCI Video Card Tested
Matrox 576-04 Rev A MGA-MIL/2/GAT2 PCI Video Card
Matrox 906-04 Matrox Dual Video Card
SFF / LOW PROFILE DUAL DELL 5M801 / 05M801 MATROX G55MADDA32DB 32MB AGP
IBM 09P5269 RS6000 Matrox G45+ 7003-03 PCI Dual Video Card 30 Day Warranty
Matrox MGA-MIL/4C 4MB PCI Video Card 4 MB 590-05
IBM VIDEO CARD MATROX G450 FOR 6214-XXX 22P1987
MATROX MILLENIUM G400 906-04 REV. B DUAL VGA AGP VIDEO CARD 32MB
Matrox 2MB SGRAM Module MGA-MYST-M0D20E
Matrox 815-01 Rev A VGA AGP Video Card G+/PROA/8BN/20
IBM 25P6691 VIDEO CARD 32MB MATROX MILLENIUM G450 AGP VIDEO CARD 32MB
IBM Matrox MGI FRU 31P7104 G45FMDHA32DB DUAL AGP CARD
Matrox MGA 856-02 VGA AGP Video Card
MATROX 906-04 REV B G4+MDHA/32/OEM AGP 32MB DUAL PORT VGA QTY AVAILABLE
Matrox MGA-2164WP-C PCI Video Card SVGA 4 MB MGA 64-Bit Graphics
Compaq 167033-001 Matrox G2+/MILA 8MB AGP Video Card
Matrox G4 906-04 16MB AGP Dual VGA Video Card
MATROX G45FMDVP32DB PCI Millennium G450 32M VGA DVI
Matrox G200 MMS Dual 16MB LFH-60 PCI Video Card G2+ PL
Vintage Matrox G2/MECOA8B/20D MGA AGP VGA Video Card Tested
Compaq 167033-001 MATROX GRAPHICS MGI G2+/MILA/8D/CPQ COMPAQ VIDEO CARD - C03
Matrox G550 32MB PCI Dual Monitor Video Graphics Card- 7011-0001 G55MDDAP32DB
Matrox G550 PCI Dual Monitor Short Profile Video Card- 7011-0001 G55MDDLP32DB
IS-MGA-2064W-R2 MATROX MGA QFP New! RARE! IS-MGA-2064
MATROX P65-MDDE128F P650 128MB DUAL HEAD MONITOR PCI-E VIDEO CARD
Compaq Prosignia 167033-001 Matrox G2+/MILA 8MB AGP Video Card
Matrox G450MMS LFH-60 to Dual DVI Cable 16123-00
Large amount of Matrox F7003-0301 Rev_A 32MB PCI VGA/DVI Graphics card
Matrox MCA-PCI/2 2MB VGA Video Card 79075010078
Matrox VGA25 &30pin Intrl AGP Video Card 733-01
MATROX AGP G2 MSDA16B 16 MB GRAPHICS CARD
Compaq Matrox G200 MMS Single Cable NEW 168754-001
Matrox/CPQ graphics card, used G2+DMILA/8D/CPQ
NEW MATROX MILLENIUM G550 Graphics Card with dual Analog Monitor Cable
2MB HP 5064-0285 MATROX MGA-MIL/2/HP5 MILLENNIUM AGP VIDEO GRAPHICS CARD!!!!!!!!
Matrox Video Graphics G2+DMILA/8D/CPQ
Matrox MGI G2+/QUADP/CPQ 32MB PCI Video Card 32 MB
MATROX RT2500 RT2500/KIT/N VIDEO EDITING CARD PCI 7025-02
MATROX (P/N F16123-00) LFH60 TO DUAL DVI G450 MMS CABLE
Matrox G550 Low-Profile 32MB PCI Dual Video G55MDDAP32DBF F7011-0001
~ New Sealed HP 294409-001 Matrox G200 8MB AGP Video Ca
NEW MATROX G2+/QUAD MILLENIUM G200/G100 LFH-60 PIN TO DUAL VGA VIDEO CABLES
Compaq 167033-001 MATROX GRAPHICS MGI G2+/MILA/8D/CPQ COMPAQ VIDEO CARD - C03
Matrox 975-0201 G45+MHA32/Del 32MB AGP Dual VGA Video Card Dell - 608UX
Matrox HP 5064-9192 32MB AGP Video Card w/ WARRANTY
Matrox 15941-00 60-pin LFH to dual DB-15 Video Splitter
Set of 4 Matrox Parhelia APVe F16090-01+F15953-02+F160113-00+F15963
IBM Matrox728-02 VGA 8MB AGP Video Card 01K4340
Matrox 975-0201 REV A LBH37288 G45+MDHA320D/CPQ (046)
MATROX G45+MDHA16DB DUAL 16MB AGP Video Card 971-0301
Matrox 834-00 Rev.A VGA AGP 3.3 Video Card
Matrox 15941-00 video cable DB-15(F)-60pin LF H(M ) NEW
Matrox G450 7093-00 16MB AGP DVI Video Card
MATROX 757-00 REV : B
Matrox 975-0201 32MB AGP Dual VGA Video Card
Matrox 971-0301 16MB AGP Dual VGA Video Card
Matrox 981-0401 16MB AGP VGA Video Card
Matrox G550 7012-03 32MB AGP DVI Video Card
Matrox G450 P750 G55 G200 DVI to DUAL VGA cabl 15963-02
Matrox 32MB AGP-DVI Video Card G450FMLDVA32DB LowProfile Video card
Matrox 971-0302 16MB AGP Dual VGA Video Card
Matrox G55 + MDHA32DB 32 MB AGP VIDEO CARD
Matrox G450 P750 G55 G200 DVI to DUAL VGA CABLE 15963-02 Y-Cable
Matrox 873-03 Video Card Mgi G250+mila/8/0e5 5064-9191
16MB IBM Matrox G450 DualHead Dual VGA AGP 22P1987
Compaq Matrox G450 32MB Video Card AGP VGA 202901-001
Matrox 32MB Video Card AGP G55MADDA32DBF Low Profile
Matrox 971-0301 16MB AGP Dual VGA Video Card (46)
Matrox G450 DVI-M-to-2VGA-F Splitter Cable 15963-02
Matrox MiI-2 WRAM 4MB Memory New 680-02
Matrox G450 DVI-I to 2xVGA Splitter Cable DVI-M-TO-2VGA
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