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57408-1C/D-271757408-1C/D-2717

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(jīng)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(tài)信息和數(shù)據(jù)；經(jīng)PLC內(nèi)部運算與處理后，按被控對象實際動作要求產(chǎn)生輸出結果；輸出結果送到輸出端子作為輸出變量，驅(qū)動執(zhí)行機構。PLC的各部分協(xié)調(diào)*地實現(xiàn)對現(xiàn)場設備的控制。
    （1）*處理器CPU
    CPU的主要作用是解釋并執(zhí)行用戶及系統(tǒng)程序，通過運行用戶及系統(tǒng)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(tǒng)協(xié)調(diào)*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
 
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鄭娟萍

廈門仲鑫航自動化設備有限公司  

   隨機存取存儲器RAM用于存儲PLC內(nèi)部的輸入、輸出信息，并存儲內(nèi)部繼電器（軟繼電器）、移位寄存器、數(shù)據(jù)寄存器、定時器／計數(shù)器以及累加器等的工作狀態(tài)，還可存儲用戶正在調(diào)試和修改的程序以及各種暫存的數(shù)據(jù)、中間變量等。
    只讀存儲器ROM用于存儲系統(tǒng)程序?？刹脸删幊绦虻闹蛔x存儲器EPROM主要用來存放PLC的操作系統(tǒng)和監(jiān)控程序，如果用戶程序已*調(diào)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(yè)控制計算機系統(tǒng)，它的控制對象是工業(yè)生產(chǎn)過程，與DCS相似，它與工業(yè)生產(chǎn)過程的也是通過輸入輸出接口模塊（I/O）實現(xiàn)的。I/O模塊是可編程序控制器與生產(chǎn)過程相的橋梁。

In A46046-702 A46046-703 A46046-704 A46046 702 SCSI Backplane für SR1200 NEU

Delta AC-033 AC033 AC 033 Power Distribution Board für MS-9246 9246 24-pol 8-pol

In C53306-425 C53306 425 SCSI Backplane 68p 80p TR15

In D23460-302 SAS Backplan 7200 IR M6 TR49 AL Neu

In C53307-501 C53307 501 D21460-252 D21460 252 Memory Board 4x DDR2 B?nke Neu

FSC Primergy L200 Riser Card E380-A10 64-bit 3.3V W26361-E380-Z2-01-36

FSC Primergy L200 Riser Card PCI W26361-E311-Z2-01-36 C26361-E311-W100 NEU

HP ProLiant DL380 G3 Power Converter Board 314670-001 309629-001 22-pol 6-pol

In PBA C74973-501 SR1400-SR2400 Standard Control Board VGA USB C74973 501 NEU

Fujitsu Siemens A3C40073766 SAS Backplane Primergy RX200 S3 Ai15 NEU

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IBM SYSTEM X3650 SAS HDD Backplane Server Controller 6-fach EC L95213H

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Fujitsu Siemens FSC 84003680 Power Distribution Board für PRIMERGY RXI600 NEU

FSC Siemens A3C40036408 H Power Board FAN Backplane A3C40036407 LOUISIANA NEU

In AXX4DRV3GEXP D22807-203 D22807 SAS Backplane TR14

HP ProLiant DL385 SCSI Backplane 359253-001 6x SCSI 3x SCSI-3 2x SCSI-2 012055

In FALPASMP D28949-302 D28949 Power Backplane für SR1550AL SATA 10-pin 3p NEU

Compaq 168064-001 010420-001 Memory Expansion Board für ProLiant DL580 DL570

In AXXIMMPRO ServerModul SR1400 SR2400  NEU

Bridge Board D25543 für Maxdata Platinum 1500 2200 NEU

Chenbro 80H103124-006 80H103124 006 SATA Backplane TR26

HP 1395T2035101 Rev B01 Backplane 6xS-ATA 412201-001 412201 SATA 2xMultiLane  

HP ProLiant DL365 G1 Backplane 6x S-ATA 412201-001 412201 SATA 2x MultiLane  

Dell Poweredge 6650 I/O Riser Board Dell 6Y315 ServerWorks Xilinx Spartan

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Asus BP6LS-AS35 BP6LS AS35 SCSI Backplane für AP1700 6x SCSI 80-pin 1x 68-pin

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FSC Siemens A3C40040589 SATA Backplane für 4 Festplatten Primergy TX150 S3 NEU

In C65075 C65075-301 C65075-350 C65075 I/O Front Panel Board VGA 3x USB NEU

In D29348-302 D29348 302 SATA Backplane für Maxdata 1500IRM6 USB 4-pin NEU

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Sunix 4056A 4-Port Serial Interface PCI Controller + Splitterkabel 921.6KB/s NEU

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Fujitsu PRIMEPOWER 2500 CA20357-B12X CPU Voltage Setup Modul CA25357-B12102 NEU

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Maxdata Fan Modul Nidec VA450DC 2x120mm Lüfter Platinum 7200 IR M6 TR04

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In A77570-202 A77570-201 A77570 SCSI Backplane für SR1300 80-pin 68-pin NEU

In A88365-005 A88365 005 Frontpanel VGA USB für In SR1300 SR2300 NEU

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In A52711-004 A52711 004 A52711004 Server Front Panel Board 34pin USB NEU

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HP ProLiant DL380 Compaq 333112-001 Power Distribution 007829-002 007831-001

HP ProLiant DL360 G4 G4p Power Converter Board 361393-001 321637-001 20-pol

HP ProLiant DL360 G4 G4p G3 Backplane Board 2x SCSI 6042A0012102 305443 001

Dell 04K666 4K666 VRM Modul für Precision Workstation 450 650 Voltage Regulation

In C74973-501 C74973 501 Front Panel 1xUSB VGA FL10

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Artesyn 7000742-0000 82102538 A3C40040532 DC DC Converter 12V PRIMERGY RX600 NEU

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FSC Backplane 6x SAS HDD 10600871409 für FIBRECAT NX40-S4 PRIMERGY RX300 S4 NEU

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AVID Server TW-000-51672-AR Backplane 4xSATA 4xSAS TW 000 51672 AR 2x4-pin Molex

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IBM 24P7540 W51G SCSI Extender Card für InliStation M Pro 1x SCSI 68p 3x PCI

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Fujitsu Siemens FSC 88040680 2.5V 3.3V VRM Modul für PRIMERGY RXI600 NEU

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HP A7231-66580 A7231 Management Processor Board für INTEGRITY 2600 VGA RJ-45

HP 0950-4294 0950 4294 CPU DC zu Netzteil DC Converter für INTEGRITY 2600 6-pin

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In D25536-202 Front Panel 1xVGA 1xUSB FL02 AL NEU

Asus BP4LS-AR12 BP4LS AR12 SCSI Backplane für AP1600R 4x SCSI 80-pin 1x USB

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FSC Siemens A3C40052240 Riser Card mit Board und Halterung 1x PCI-X 64bit NEU

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In A22017-302 Distribution Board SR870BN4 FL02 Neu

FSC A3C40020518 SCSI Backplane 80pin Primergy TX300 S02

AVID Server 80H103215 Backplane Chenbro 80H103215 4x SAS 1x SATA MultiLane

In D25538-402 D25538 SAS SATA Server Backplane FL10

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FSC A3C40020518 Server HDD Backplane 706461003.01A für Primergy TX300 NEU

FSC Fujitsu Siemens A3C40013465 SCSI Primergy TX300 NEU

HP Proliant DL585 VRM Modul 12V Voltage Regulation Module 383337-001 383337 001

FSC A3C40028174 G Backplane 3x SCSI A3C400030649 PRIMERGY P250 RX300 RX600 NEU

FSC A3C40119325 GS02 Backplane 6x SAS 48.55S12.021 BP2-6X 09484 10601159088 NEU

Fujitsu Siemens FSC A3C40020516 SCSI Backplane für Primergy TX150 4xSCSI 80p NEU

Compaq 101951-001 010457-001 Peripherie Board für ProLiant DL580 G1 VGA 2x PS/2

In SR2500 Maxdata MPL 2200 IR M6 Standard Control Panel VGA USB D25536 NEU

Siemens Nixdorf G23901-F0001-A001 SCB Board ISA RJ45 G23901-F1-A1-V8-*0 NEU

In AXXIMMADV Server Management Modul Advanced

In 679191-305 SCSI Backplane Board Neu FL07 AL

Samsung 720480-004 Cache Memory Card FL10 Neu

Fujitsu A3C40070504 704550610.01GA 704550610 SAS Backplane für PRIMERGY TX150

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A56188-302 SCSI Backplane für SR2200 Server Neu TR50 AL

MSI MS-9596 MS 9596 MS9596 SCSI Bracket Adapter 80-pin 80pin 4-pin 12V 4pin

HP Proliant DL585 DL385 VRM Modul 12V DC 383337-001 383265 001 Voltage Regulator

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