NKST11-15 ABB

3HAB3772-104 O-ring
3HAB3772-107
3HAB3772-107 O-ring
3HAB3772-109
3HAB3772-109 O-ring
3HAB3772-11
3HAB3772-11 O-ring
3HAB3772-110

分类:

Description

自从有了FCS,并于90年代走向实用化以来,不断有如下论点在公开刊物上发表,即:“从现在起,新的现场总线控制系统FCS将逐步取代传统的DCS”;“当调节功能下放到现场去以后,传统的DCS就没有存在的必要而会自动消失”;“今后十年,传统的4~20mA模拟信号制将逐步被双向数字通信现场总线信号制所取代,模拟与数字的分散型控制系统DCS将更新换代为全数字现场总线控制系统FCS”……。这些论点归纳为一句话:FCS将取代DCS,DCS从此将消亡。

 

SQUARE D POWERPACT 800 AMP ELECTRONIC CIRCUIT BREAKER W

WESTINGHO 350 AMP MINING BREAKER KDM 3350M01


SQUARE D POWERPACT / I LINE BREAKER JGA36250 250AMP 600

WESTIGHO SIZE 4 VACUUM STARTER 3 PHASE

WESTINGHO MINING BREAKER 400 AMP 600 VOLT 2606D5619

WESTINGHO 2500 AMP 600 VOLT BREAKER PB FRAME

WESTINGHO 400 AMP MINING CIRCUIT BREAKER

ALLEN BRADLEY 100-B300 CONTACTOR 250 HP @ 460 VOLT

RELIANCE ELECTRIC AUTOMATE 20

SECO MENTOR II BY WERNER ELECTRIC MODEL M4215-10020A DC

SAFTRONICS VARIABLE FREQUENCY AC DRIVE 75 HP @ 460 VAC

CUTLER HAMMER 18″ MCC BUCKET SIZE 4 WITH HMCP150 N