57411-2F/57C411 RELIANCE57411-2F/57C411 RELIANCE

外部的开关信号、模拟信号以及各种传感器检测信号作为PLC的输入变量，它们经PLC的输入端子进入PLC的输入存储器，收集和暂存被控对象实际运行的状态信息和数据；经PLC内部运算与处理后，按被控对象实际动作要求产生输出结果；输出结果送到输出端子作为输出变量，驱动执行机构。PLC的各部分协调*地实现对现场设备的控制。
    （1）*处理器CPU
    CPU的主要作用是解释并执行用户及系统程序，通过运行用户及系统程序完成所有控制、处理、通信以及所赋予的其它功能，控制整个系统协调*地工作。常用的CPU主要有通用微处理器、单片机和双极型位片机。
    （2）存储器模块
 
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郑娟萍

厦门仲鑫航自动化设备有限公司  

   随机存取存储器RAM用于存储PLC内部的输入、输出信息，并存储内部继电器（软继电器）、移位寄存器、数据寄存器、定时器／计数器以及累加器等的工作状态，还可存储用户正在调试和修改的程序以及各种暂存的数据、中间变量等。
    只读存储器ROM用于存储系统程序。可擦除可编程序的只读存储器EPROM主要用来存放PLC的操作系统和监控程序，如果用户程序已*调试好，也可将程序固化在EPROM中。
    （3）输入输出模块
    可编程序控制器是一种工业控制计算机系统，它的控制对象是工业生产过程，与DCS相似，它与工业生产过程的也是通过输入输出接口模块（I/O）实现的。I/O模块是可编程序控制器与生产过程相的桥梁。

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Imation Ultrium LTO 4 WORM Tape 800 GB 1.6 TB OVP

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Compaq 295195-B21 295195 B21 DLT4 DLTtape IV Cartridge TAPE 35GB / 70GB NEU

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3Com 3C16440 SuperStack II Baseline Hub 12-port FS45

NetWorth STMM24-A STMM24A  STMM24 A 24port Hub Ethernet 10Base-T RJ-45 RJ 45

Cisco 760 Serie Cisco 761 M 761M ISDN Router 10 Mbps RJ-45 RJ45 D-Sub

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Chunghwa CLAA141WB05A GA LCD Panel Display 35,8cm (14,1 Zoll) 2-pol 2p NEU

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Fujitsu 34011921 CP408516-XX 22,6cm (8.9 Zoll) LCD Panel für LIFEBOOK P 1620 NEU

Infotronic L2130 54cm ( 21.3 Zoll 21 Zoll ) DVI VGA TFT Monitor beige/grau

Chunghwa CLAA150XA05 38,1cm (15 Zoll) LCD TFT Panel Notebook TR18 NEU

Fujitsu Siemens Scenicview P19-3P P19 3P 48cm (19 Zoll) TFT LCD Monitor DVI VGA

FSC Siemens B19-2 CI 48,3cm (19 Zoll) TFT Monitor DVI VGA beige S26361-K978-V152

Original Toshiba K000063340 LP154WP1 39,12cm (15.4 Zoll) GA LCD Panel 2p NEU

Samsung LTN154X3-L03 LTN154X3 GA LCD Panel 39,12 cm (15.4 Zoll) 2-pol 2p NEU

NEC LCD1970NXp 48,3cm ( 19 Zoll ) TFT Monitor DVI VGA silber/beige

Quanta QD14WL01 35,6cm (14 Zoll) WS TFT Panel TR25 NEU

Toshiba LTD121EXVV Notebook LCD Display Panel 30,7cm (12,1 Zoll) 1280x800 NEU

HP Pavilion TX1000 Serie Dell Vostro 1200 LCD TFT Display 30,7cm (12,1 Zoll) NEU

FSC Siemens B19-2 B19 2 48,3cm (19 Zoll) TFT Monitor beige VGA S26361-K978-V150

Fujitsu 34007023 GA LCD Panel für ESPRIMO D9500 39,12cm (15.4 Zoll) NEU

Au Optronics B150PG03 38,1cm (15 Zoll) SXGA LCD Panel matt CCFL 3.3V 60Hz NEU

Samsung SyncMaster 913BM Plus 48,3cm (19 Zoll) TFT Monitor silber/schwarz

Fujitsu Siemens SCENICVIEW B19-3 B19 3 48cm (19") TFT Monitor S26361-K1143-V150

FSC Fujitsu Siemens SCENICVIEW P19-2 48,3cm (19 Zoll) TFT Monitor beige/schwarz

AU Optronics B150XG01 38cm ( 15 Zoll ) TFT LCD Panel Bildschirm TR09

HP Pavilion f1703 TFT Monitor Bildschirm 43cm (17 Zoll) silber PE1229

Fujitsu 34011399 FSP:840N00105 39,12cm (15.4 Zoll) LCD Panel Display 2-pol NEU