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ELEMASTER 3110050
PLC的硬件主要由中央處理器（CPU）、存儲器、輸入單元、輸出單元、通信接口、擴展接口電源等部分組成。其中，CPU是PLC的核心，輸入單元與輸出單元是連接現(xiàn)場輸入/輸出設(shè)備與CPU之間的接口電路，ELEMASTER 3110050通信接口用于與編程器、上位計算機等外設(shè)連接。
ELEMASTER 3110050對于整體式PLC，所有部件都裝在同一機殼內(nèi)，其組成框圖如圖1所示；對于模塊式PLC，各部件獨立封裝成模塊，各模塊通過總線連接，安裝在機架或?qū)к壣?，其組成框圖如圖2所示。無論是哪種結(jié)構(gòu)類型的PLC，都可根據(jù)用戶需要進行配置與組合。
ELEMASTER 3110050 Applies the brake the section in the system, namely must to reduce thespeed to carry on the essential control, guarantees the comfortablefeeling, also must strictly controls according to the elevatormovement speed and the distance relations, guarantees the even levelthe precision. In system’s rotational speed reduces to 120r/min in front of, in orderto enable two to obtain the proper attention to both, adopts by theacceleration to the timing control primarily, simultaneously actsaccording to on each as soon as the stopping distance the actualrotational speed and the theory rotational speed deviation revises theacceleration to assign the curve the b. For example in is awayfrom the even level spot some as soon as to be away from L place, thespeed should reduce to Vm/s, but the actual rotational speed is highis V ' m/s, then explained adds the system turns is apart frominsufficiently, after therefore calculates the here to assign reducesspeed value -ag
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Allen-Bradley(美國AB)系列產(chǎn)品》 Schneider(施耐德電氣)系列產(chǎn)品》 General electric(通用電氣)系列產(chǎn)品》 Westinghouse（美國西屋）系列產(chǎn)品》 SIEMENS(西門子系列產(chǎn)品)》 銷售ABB Robots. FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、Panasonic Robots、MOTOMAN Robotsestinghouse（西屋）： OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件Invensys Foxboro（福克斯波羅）：I/A Series系統(tǒng)，F(xiàn)BM（現(xiàn)場輸入/輸出模塊）順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號處理、數(shù)據(jù)通信及處理等。 Invensys Triconex:冗余容錯控制系統(tǒng)、基于三重模件冗余（TMR）結(jié)構(gòu)的現(xiàn)代化的容錯控制器。Siemens(西門子)：Siemens MOORE， Siemens Simatic C1，Siemens數(shù)控系統(tǒng)等
