P0912VP

描述

PLC由哪几个主要部分组成？各部分的作用是什么？

PLC由中央处理器CPU、存储器、输入输出接口和编程器组成。

中央处理器CPU是核心，它的作用是接收输入的程序并存储程序。扫描现场的输入状态，执行用户程序，并自诊断，

存储器用来存放程序和数据；

输入接口采集现场各种开关接点的信号状态，并将其转化成标准的逻辑电平。

输出接口用于输出电信号来控制对象；

编程器用于用户程序的编制、编辑、调试、检查和监视，还可以显示PLC的各种状态。

欧美品牌停产的，常用的“PLC”备品备件

我司产品应用于以下领域：

1,《发电厂DCS监控系统》

2,《智能平钢化炉系统制造》

3,《PLC可编程输送控制系统》

4,《DCS集散控制系统》
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5,《智能型消防供水控制系统》

6,《化工厂药液恒流量计算机控制系统》

7,《电气控制系统》造纸,印染生产线,变电站综合自动化控制系列

本特利，英维思，伍德沃德，福克斯波罗、西屋、瑞恩、施耐德莫迪康、ABB、AB、西门子、摩托罗拉、GE发那科、安川、博世力士乐，ACSO，力士乐等各大品牌的DCS系统配件，机器人系统配件，大型伺服系统备件。

RADVISION MCU-323/20 Conferecing Unit MCU-323

CISCO IP/VC 3520 VIDEO GATEWAY W/MW-V.35-2T

RADVISION MCU-323/20 CONFERENCING UNIT MCU-323

CISCO IP/VC-3540-MC06 MULTIPOINT CONTROL UNIT IPVC3540

CISCO IP/VC-3540-MC03 MULTIPOINT CONTROL UNIT IPVC3540

CISCO IP/VC-3540-MC10 MULTIPOINT CONTROL UNIT IPVC3540

Performance Technologies CPC4411F CompactPCI Blade

RADVISION L2W-323 PRI GATEWAY L2W-323/4X

RADVISION L2W-323/8X PRI GATEWAY L2W-323P/8X

RADVISION L2W-323P Conferecing Unit L2W-323P/8X

RADVISION L2W-323 Conferecing Unit L2W-323/4E

RADVISION L2W-323V Conferecing Unit L2W-323

RADVISION MCU-323/20 Conferecing Unit MCU-323

Sun Microsystems CP2080-500 Netra CP2080 cPCI Blade

Sun Microsystems CP2300S-650 Telecom blade Netra CP2300

RADVISION VIU-323/1E VIU-323 55421-00001

RADVISION L2W-323/4X L2W-323 55285-00002

DATAKINETICS SPCI4/02 SS7 4 PORTS SEPTEL PCI CARD SPCI4

ERICSSON RAYNET TGM MODULE+ERIPOWER PKC 4131 PI DC/DC

ERICSSON/Tellabs MARTIS SXU-C MODULE ROA 117 3001/2

ERICSSON 2100RU212130 KRC 118 16/1 CELLULAR MODULE

ERICSSON 2100FU1221 KRC 118 17/1 CELLULAR MODULE R2B

ERICSSON ROAH219102/1 MODULE PULLED FROM BFD CHASSIS

ERICSSON ROHA219101/1 MODULE PULLED FROM BFD CHASSIS

ERICSSON ROA219651/1 MODULE PULLED FROM BFD CHASSIS

ERICSSON PKM4610PIDC/DC CONVERTER MINT LOT OF 19

ERICSSON BMR601014 PWR MODULE PULLED FROM BFD CHASSIS

HUAWEI QUIDWAY S1016 SWITCH 16 PORT S1000 SERIES

HUAWEI AOLYNK EP201 BROADBAND SIP PHONE NEW EP201S

HUAWEI RT-1ADSL 1 PORT ADSL OVER POTS MODULE 1ADSL

HUAWEI QUIDWAY AR 18-30 ROUTER BRAND NEW AR 18 30

HUAWEI RT-SIC-1FEA 10/100M ETHERNET INTERFACE CARD

HUAWEI QUIDWAY S1026T SWITCH 26 PORT S1000 SERIES

HUAWEI RT-SIC-2FXO 2 PORT VOICE INTERFACE MODULE

HUAWEI QUIDWAY S2403H SWITCH 24 PORT S2000 SERIES

HUAWEI RT-SIC-1BS 1PORT ISDN BRI S/T INTERFACE CARD

HUAWEI QUIDWAY S1024 SWITCH 24 PORT S1000 SERIES

HUAWEI RT-SIC-1E1-F 1x E1 INTERFACE SIC E1-F CARD

HUAWEI AOLYNK DR814 ADSL2+BROADBAND ROUTER BRAND

HUAWEI QUIDWAY S3026G SWITCH 24 PORT+2x GBIC S3000

HUAWEI 3COM SFP-GE-SX-MM850-A 1000BASE-SX SFP LOT OF 2

HUAWEI QUIDWAY S1024 SWITCH 24 PORT S1000 SERIES

Huawei RT-SIC-2FXS Voice Interface Card new in box

HUAWEI S3952P ETHERNET SWITCH WITH 48 10/100 BASE-TX

Motorola MVME162-210 MVME 162-210 VME Board 01-W3866B

Optibase MGW 5100 MGW5100 Internet Video Broadcasting s

HP PC BLADE SWITCH 142354410000 PCA 410400-001

TOKIO KEISO TM-1000 CONVERTER

LUCENT SUPERPIPE 155 SP155-2S-V35 0710-0292-006

Artesyn PCBA,BAJASPAN,E1,1-860MH,66MHZ CPCI

Packard Cyclone B431201 Storage Phosphor Screen

DIGITAL DECSERVER 900TM 76-200-0001 W/DECHUB ONE

DIGITAL DECSERVER 700 DSRVM-ZC

POWER ONE SLI-48-115 SLI INVERTER 48V SL48-115

MOTOROLA FORCE CPCI-6750 CPCI-6750/128s-400-l 1024-8

Imperative Networks 802 fibre channel switch

Secure Computing SafeWord SecureWire 100 model 220 new

Secure Computing SafeWord SecureWire 2500 525-SYS

VARIAN TV 301 AMAT SQ424 VACUUM PUMP

NETOPTICS 908009 OPTICAL BYPASS SWITCH

NORTEL PASSPORT 8010CO BREAKER INTERFACE PANEL 8010

NORTEL ALTEON EB1404017 AD4 WEB SWITCH DC BRAND NEW

DATACOM LAN SWITCH MX8100BTsl-1071

ECI TELECOM ExLINE 2 NTU 2P DT X.21 MODEM

MOTOROLA SUPER LAN S-LANE1/B1/D/S DC 48V

AUDIOCODES MP-100 MEDIA GATEWAY 8 FXS PORTS MP100B-8S

PARALAN SCSI EXAPNDER BOX MODEL EB1-AAA NEW

SHORE MICROSYSTEMS SM-2400 ETHERNET BYPASS SWITCH MINT

SHORE MICROSYSTEMS SM-2402 MULTIPORT BYPASS SWITCH MINT

DEC VT525 A6 DIGITAL COLOR TERMINAL BASE TESTED VT 525

MRV EM2003-2FO AS44694S-M OPTICAL SWITCH MODULE

RAMIX CP944 Layer 2 Ethernet switch P/N 14-2610E00

LOT OF 4 IBM 23L3337 GBIC 21H9834 Optical Converter