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當前位置:首頁 > 全部產品 > 電動執(zhí)行器配件 > 國產電動執(zhí)行器配件 > 執(zhí)行機構電動操作器

執(zhí)行機構電動操作器

  • 型   號:SFD-1002
  • 價   格:
  • 更新時間:2025-06-05
  • 訪問次數(shù):8562

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電動執(zhí)行機構操作器 電動閥門控制箱 閥門電控箱 電動閥門控制器 電動操作器 電動執(zhí)行器操作器

揚州貝爾閥門控制有限公司

閥門電動裝置

電動執(zhí)行機構

品牌電動執(zhí)行器

電動閥門控制器

電動閥門

DZW閥門電動裝置

(Z型閥門電裝)

精小型電動執(zhí)行器

西門子電動執(zhí)行器

(揚州西門子)

掛壁式閥門控制箱

電動閘閥

DKJ電動執(zhí)行器

抽屜式閥門控制箱

電動截止閥

DQW閥門電動裝置

(Q型閥門電裝)

DKZ電動執(zhí)行器

羅托克電動執(zhí)行器

(英國羅托克)

戶外型閥門控制箱

電動蝶閥

3810L電動執(zhí)行器

防爆型閥門控制箱

電動球閥

LQ閥門電動裝置

3810R電動執(zhí)行器

德國PS電動執(zhí)行器

BFA型閥門控制器

電動調節(jié)閥

 

一、SFD-1002 執(zhí)行機構電動操作器產品概述

    SFD-1002型執(zhí)行機構電動操作器是DDZ-S系列儀表中的一個輔助單元儀表,適用于由DDZ-S系列II、III型變送單元。

二、SFD-1002 執(zhí)行機構電動操作器端子接線圖

三、SFD-1002 執(zhí)行機構電動操作器的應用

調節(jié)單元與各類電動執(zhí)行機構所組成的自動調節(jié)系統(tǒng),應用SFD-1002型系列電動操作器可實現(xiàn):

    1、在自動調節(jié)和手動控制工作狀態(tài),與PID調節(jié)器配合使用,可實現(xiàn)調節(jié)系統(tǒng)由“自動-手動”或由“手動-自動”工作狀態(tài)的無擾動切換。即工作狀況由“手動”切換到“自動”調節(jié)系統(tǒng)的執(zhí)行機構的原有的手動操作的位置上進行調節(jié),工作狀況由“自動”切換到“手動”時,手動操作時執(zhí)行機構的自動調節(jié)時原有的位置上進行操作。

    2、自動調節(jié)系統(tǒng)的“中途限位”,即在“自動調節(jié)”時執(zhí)行機構在行程受到限制(上限和下限)。在“手動操作”時,執(zhí)行機構在全程內操作。僅SFD-1002/2型有此功能。

    3、SFD-1002型系列操作器本身具有手動控制和自動調節(jié)工作狀態(tài)的顯示,并由單針或雙針電流表指示出執(zhí)行機構位置發(fā)送的輸出電流(可對應閥位開度)和調節(jié)單元的輸出電流。

    4、該系統(tǒng)操作器分為:SFD-1002型(原DFD-05型),SFD-1002/1型(原DFD-0.9型)和SFD-1002/2型(原DFD-07型)。

四、SFD-1002 執(zhí)行機構電動操作器工作原理

SFD-1002型電動操作器由切換開關S、操作開關S1、S2和繼電器、指示燈組成。

    1、手動狀況時,手動指示燈亮,按S1、S2控制執(zhí)行機構正反運轉,增大或減小閥位開度,閥位信號經過R1和14、15端輸出相應的跟蹤電壓信號。使此跟蹤電壓信號作為手動跟蹤信號輸出。手動時調節(jié)器信號和跟蹤閥位信號,因此系統(tǒng)由“手動”至“自動”時是無擾動切換。

    2、自動狀況時,將開關S按到“自動”位置,繼電器通電,相應的常閉點斷開,常開點閉合,自動燈亮,1-11.2-12通,形成主回路通道。位置反饋信號由5-7經放大器回到位置發(fā)送器,形成反饋信號通道,在自動狀況,反饋信號總是跟蹤輸入信號,因此在系統(tǒng)由“自動”至“手動”時是無擾動切換。

    3、進行“中途限位”調整時,根據(jù)需要調整上、下限位電位器,直到“上限”或“下限”燈亮為止。當輸入信號時,輸出軸應穩(wěn)定在上或下限位置。同時,上或下限燈亮。

 

     貝爾鄭重承諾:產品出廠前均已經過各項嚴格品質管制作業(yè)及性能試驗,自即日起在正常使用狀況下保固一年。但非人力所能抗拒之災害,外力破壞,及未經本公司同意而私自拆卸者不在保固范圍之列。

電動執(zhí)行機構操作器 電動閥門控制箱 閥門電控箱 電動閥門控制器 電動操作器 電動執(zhí)行器操作器

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