3BSE013252R1

描述

DCS设计应用原因

1．3．1由于历史原因，某些系统设计仅用来替代常规仪表，资金投入少，难以发挥DCS技术优势，使机组安全性水平不高。

某200MW机组DCS改造时因节约资金选用现场I/O，锅炉所有阀门电动装置接至远程I/O柜。由于一味考虑成本，结果选用的远程I/O无法实现主控制器故障冗余切换，使得锅炉电动阀门在单个控制器故障或控制器切换时无法操作，存在较大安全隐患，必须花更多的资金来改造。

在选择DCS时，不但要考察DCS软硬件技术水平的先进性，更要考察系统配置的可靠性，努力使其满足机组安全运行的条件。

主营：世界知名品牌的PLC、DCS系统备件模块

①Allen-Bradley(美国AB)系列产品》

②Schneider(施耐德电气)系列产品》

③General electric(通用电气)系列产品》

④Westinghouse（美国西屋）系列产品》

⑤SIEMENS(西门子系列产品)》

⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。

⑦estinghouse（西屋）：OVATION系统、WDPF系统、MAX1000系统备件。

⑧Invensys Foxboro（福克斯波罗）：I/A Series系统，FBM（现场输入/输出模块）

顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数

据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余（TMR）

结构的zui现代化的容错控制器。

⑨Siemens(西门子)：Siemens MOORE，Siemens Simatic C1，Siemens数控系统等。

⑩Bosch Rexroth（博世力士乐）：Indramat，I/O模块,PLC控制器,驱动模块等。

◆Motorola（摩托罗拉）：MVME 162、MVME 167、MVME1772、MVME177等系列。

*NEW*Allen Bradley AB 1745-LP153/C SLC150 Controller

One-day shipping available

1745-LP153/C Allen Bradley SLC 150 1745LP153 N835

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Allen Bradley SLC100 Expansion M#1745-E105~NIB SUR.~

Allen Bradley 1745-E101 Expansion Unit 1745E101 USED

One-day shipping available

Allen Bradley 1745-P101 Programmable Controller USED

One-day shipping available

Allen Bradley 1745-PCC SER A

Allen Bradley SLC 150,1745-E151/A,Expansion*TESTED*

New in Box 1745-E153/A Allen Bradley 1745E153 N813

One-day shipping available

Allen Bradley 1745-E153 Series-A SLC150 Expansion Unit

One-day shipping available

Allen Bradley SLC 100 Expansion Unit 1745-E105,#8868

ALLEN BRADLEY 1745-E105 SLC100 RELAY OUTPUT PLC1074

ALLEN BRADLEY 1745-M1 MEMORY MODULE*NEW*

ALLEN-BRADLEY 1745-LP153 SLC 150 Ser C Processor Unit

ALLEN BRADLEY SLC 150/C PROGRAMMABLE CONTROLLER 1745

LP151*SIX AVAILABLE***FREE SHIPPING WITHIN THE US!!**

Allen Bradley 1745-PT1 SER A

Allen-Bradley SLC150 1745-LP-151 C Processor Unit

Allen Bradley SLC150 PLC 1745-LP151

ALLEN BRADLEY SLC 100 PROGRAMMABLE CONTROLLER C#1745..

Allen-Bradley 1745-LP151 Ser C SLC 150

ALLEN-BRADLEY 1745-M1 MEMORY MODULE

ALLEN BRADLEY 1745-E105 SLC 100 EXPANSION UNIT SERIES A

Allen Bradley 1745-LP101

Allen Bradley 1745-E151

ALLEN BRADLEY 1745-PT1 PROGRAMMER*NICE*

One-day shipping available

Allen Bradley PLC Expansion Unit SLC100 I/O 1745E101

Allen Bradley I/O Module Fixed Hardware Style 1745LP101

Allen Bradley Processor Unit SLC150 1745-LP151 w/M1*

Allen Bradley 1745-PT1/A Programmer w/1745-C1 Cable

Allen bradley SLC 150 Processor Unit 1745-LP 154(4436)

ALLEN BRADLEY SLC 100 PROCESSOR UNIT 1745-LP101 SER D

Allen Bradley 1745-E151 Expansion Module

Allen Bradley Programming Terminal 1745-PT1(3648)

Allen-Bradley SLC Programmer 1745-PT1

ALLEN BRADLEY 1745-E154 SLC 150 PROCESSOR UNIT

ALLEN BRADLEY 1745-E103 USPP 1745E103

ALLEN BRADLEY 1745-LP101 USPP 1745LP101

Allen Bradley SLC 100 Processor 1745-LP101,#6832

New in Box 1745-E153/A Allen Bradley SLC 150 1745E153

One-day shipping available

Allen-Bradley SLC100 1745-PT1 Programmer NIB

NICE ALLEN BRADLEY SLC 150 EXPANSION UNIT#1745-E153

NICE ALLEN BRADLEY SLC 150 EXPANSION UNIT#1745-E151

NICE ALLEN BRADLEY SLC 150 EXPANSION UNIT#1745-E106

ALLEN-BRADLEY SLC 100 1745LP103 PROGRAMMABLE CONTROLLER

Allen Bradley SLC150 Expansion Unit CAT 1745-E153 A

ALLEN BRADLEY 1745-M1 NSPP 1745M1

Allen Bradley#1745-LP101 I/O Module Fixed(U)ABS/9

ALLEN BRADLEY 1745-E101 USPP 1745E101

ALLEN BRADLEY SLC150 PROGRAMMABLE CONTROLLER 1745-LP154

One-day shipping available

ALLEN BRADLEY 1745-LP101 SLC 100 PLC GREAT CONDITION!

Allen Bradley 1745-E153|Expansion Unit*NIB*

Allen Bradley 1745-LP101 SLC 100 Processor Unit SeriesD

ALLEN BRADLEY 1745-E101 SLC 100PROGRAMMABLE CONTROLLER

Allen Bradley 1745-E101

ALLEN BRADLEY 1745 LP101 PROCESSOR UNIT SLC 100

Allen Bradley Analog Input Exp.Unit 1745-E106/A NIB!

Allen Bradley Cat#1745-M1 Memory Module*NIB*

Allen Bradley 1745-LP101 SER D

Allen Bradley SLC100 Programmable Controller 1745-LP101

ALLEN BRADLEY PROCESSOR UNIT 1745-LP1S1**NEW**

Allen Bradley SLC100 1745 LP101 Programmable Controller

Allen Bradley 1745-PCC Interface Converter

Expedited shipping available

Allen Bradley 1745-E105 Relay Expansion Unit(NEW)

Expedited shipping available

Allen Bradley 1745-E151 SLC 150 Expansion Unit Ser.A

ALLEN BRADLEY 1745-R2 NSFP 1745R2