6sE7021-8TP50-Z C23十G41

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6sE7021-8TP50-Z C23十G41

我國可編程序控制器發(fā)展中的問題及對策
? ? 目前我國的可編程序控制器的發(fā)展主要面臨著三大問題。一是技術層面上的,在國際上可編程序控制器迅速發(fā)展的形勢下,我國還沒有具有自主知識產權,能夠參與國際競爭的可編程序控制器產品,原因主要在于我國的整個基礎工業(yè)還有一定差距,如芯片制造、模具加工等方面限制了我們的發(fā)展。二是競爭層面上的,實際上也是一個經濟競爭的問題?,F(xiàn)在95%的國內市場由外國的可編程序控制器產品所占領,中、大型可編程序控制器中,幾乎全部由國外幾大公司壟斷,隨著我國使用可編程序控制器領域的不斷擴大,市場越來越大,然而國外幾大公司幾乎每年都會針對市場推出新的產品,一旦人們使用了新的產品后,他們就會逐漸的提高產品市場價格,沒有我國自己的自主知識產權的產品,在經濟競爭中就只能處于被動。三是市場秩序層面上的,隨著我國改革開放的不斷深入,特別是加入WTO后,我國巨大的市場份額極大的吸引了國外的大公司,他們開拓市場的方法都是采用大范圍建立代理銷售渠道,每個公司的分銷商、系統(tǒng)集成商都會有數(shù)十家,甚至上百家之多,造成了我國的分銷商、系統(tǒng)集成商之間的激烈競爭,而這些無序的競爭為國際大公司分而治之、獲取穩(wěn)定的高額利潤創(chuàng)造條件。
? ? 面對這些問題,筆者認為我國可編程序控制器的發(fā)展應該采取如下對策:
? ? (1)面對如此巨大的市場,我國應該集中資金和技術力量,盡快研制生產出具有自主知識產權的可編程序控制器的系列產品,就像以前的家電行業(yè)一樣。其實隨著我國整個民族工業(yè)的不斷發(fā)展,特別是近年來芯片工業(yè)的迅速發(fā)展,推出具有國際競爭力的可編程序控制器產品已成為可能。
? ? (2)繼續(xù)發(fā)揮我國科學技術人員可編程序控制器應用技術的優(yōu)勢,擴大可編程序控制器的應用領域。特別是我國加入WTO后,中國成為“世界制造工廠”的過程正在加速,我國在努力將可編程序控制器應用在國民經濟的各個領域同時,還要憑借技術和勞動力優(yōu)勢,進入可編程序控制器在外商投資企業(yè)中的應用,并逐漸進入國際上可編程序控制器的應用市場,讓我國的應用技術優(yōu)勢形成真正的增值服務,從而帶動我國相關成套設備和軟件產業(yè)的發(fā)展。
? ? (3)在擴大可編程序控制器應用的同時,要在軟件集成化上下功夫。針對不同的工業(yè)生產過程,形成具有我國特點的系統(tǒng)集成軟件、人機界面軟件和系統(tǒng)應用軟件,在一些我國領先的工業(yè)行業(yè)中制造出具有核心技術的系統(tǒng)應用軟件。真正形成具有國際標準的、可進行復制的模塊化軟件。
? ? 采取上述策略后,我國就能在可編程序控制器的應用上率先實現(xiàn)突破,融入全球一體化經濟之中,形成具有自主知識產權的軟件產業(yè),進而研制、開發(fā)、生產出具有自主知識產權,能夠參與國際競爭的可編程序控制器產品。筆者相信,隨著我國國民經濟的全面發(fā)展,隨著整個民族工業(yè)的提高,這一天會很快到來。

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主營DCS系統(tǒng)配件
機器人系統(tǒng)配件
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HITACHI J100 INVERTER Reparatur

AS-M84A-002 GOULD MODICON MICRO 84 Reparatur

SIEMENS 6DM1001-0WB00-2 FELDGER?T Reparatur

SIEMENS C98043-A1304-L2 SIMODRIVE Reparatur

BAUMUELLER BUS 3-15-30-30-004 UMRICHTER Reparatur

BAUMüLLER BUS 2-30-45-30-003 STROMRICHTER Reparatur

BAUMüLLER BUS21-15-30-31-?020 STROMRICHTER Reparatur

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FANUC A06B-6052-H001 AC SPINDLE DRIVE Reparatur

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SIEMENS 6ES5928-3UB12 CPU 928B

DYNASERV SR1015B82 DD SERVO ACTUATOR

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LPQ253 ASTEC POWER SUPPLY Reparatur

FANUC A16B-1210-0510-?01 POWER UNIT Reparatur

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LG. PHILIPS LM220W1 or 6870L-C016F PLATINE

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FUJI 4R3TI60Y-080 TRANSISTOR

SIEMENS SKKT 15/12 THYRISTOR

Sicherung BUSSMANN 125A – 660 V

TOSHIBA MG50H2YM1 TRANSISTOR

MITSUBISHI QM200DY-HB or BKO-C2147H06 TRANSISTOR

PROTISTOR FERRAZ 100 A-660 V

MITSUBISHI QM75DY-H TRANSISTOR

MITSUBISHI QM200HA-2H TRANSISTOR

MITSUBISHI QM50DY-2H TRANSISTOR

MITSUBISHI PM100CHS060 TRANSISTOR

INFINEON BSM50GX120DN2 TRANSISTOR

TOSHIBA MG100G2CL1 TRANSISTOR

DIODENGLEICHRIC?HTER S15VB+40 or S15VB

SEMIKRON SKKD 46/12 or SKKD46/12 SEMIPACK DIODE

SEMIKRON SKKT 18/6 or SKKT18/6 SEMIPACK DIODE

Fuji 6MBP100KB060 TRANSISTOR

Fanuc 5N-2000M or 5N2000M DC Servo Motor Reparatur

Siemens 6AV3 547-2MM00-5CF1 Panel OP42-12 Reparatur

SIEMENS 2CF2 052-0EA1Z4200 B8012609 RADIALVENTILATO?R

FUJI ELECTRIC 4R3TI30Y-080 THYRISTOR 4R3TI30Y080

專業(yè)銷售進口DCS? PLC系統(tǒng)備件模塊

PLC模塊,可編程控制器,CPU模塊,IO模塊,AI模塊,通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅

15天包退換 一年質保 大量現(xiàn)貨? 國內實力庫存商家


選擇深圳長欣,選擇放心,售后無憂大量現(xiàn)貨,當天順豐發(fā)貨!
主營:本特利,英維思,伍德沃德,??怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機器人系統(tǒng)配件,大型伺服系統(tǒng)備件。

先介紹幾點經驗。
1、先通讀一遍“系統(tǒng)手冊”(不管能不能看懂,先了解個大概,以便學習編程時查找);
2、由位控邏輯入手,逐漸增加定時、計數(shù)等條件,把或、與、非關系理順;
3、進而練習整數(shù)運算、實數(shù)運算、類型轉換;
4、量程轉換、PID調節(jié)回路的建立及P、I、D參數(shù)的理解(最好是有個物理回路驗證,比如變頻器+電機+測速傳感器);
5、循環(huán)、順序、跳轉等程序控制(盡量避免跳轉,非跳不可時也是跳的越近越好);
6、中斷、通訊、位置控制....

本人以ABB工業(yè)機器人配件DSQC系列和Motorola MVME系列,GE 卡件 模塊 驅動器系列為主攻。各位電工朋友可根據(jù)自己的條件選擇適合自己的PLC品牌,由于PLC的基本框架大同小異,學會一種至于其它的學習起來也就簡單了。