描述
法器。乘法器是用來(lái)完成兩個(gè)電量(如電壓、電流)相乘運(yùn)算的器件。由全電子式電能表工作原理可以看出,乘法器是全電子式電能表的核心,它的準(zhǔn)確度直接影響著電能表的準(zhǔn)確度。根據(jù)所采用乘法器的不同,可以將全電子式電能表做進(jìn)—步劃分。乘法器主要有模擬乘法器和數(shù)字乘法器兩大類。模擬乘法器又有晶體管陣列平方乘法器、熱偶乘法器、對(duì)數(shù)—反對(duì)數(shù)型乘法器、可變跨導(dǎo)型乘法器、雙斜積分乘法器、霍爾效應(yīng)乘法器、時(shí)分割乘法器等多種。數(shù)字乘法器則是以微處理器為核心,采用A/D轉(zhuǎn)換器將電壓和電流進(jìn)行數(shù)字化相乘。
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(??怂共_):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場(chǎng)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(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂(lè)):Indramat,I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
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