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DS200GSIAG1CGD 工控控制卡件模塊/熱電偶輸入

時(shí)間:2023-7-10閱讀:49
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產(chǎn)品標(biāo)題:  DS200GSIAG1CGD 工控控制卡件模塊/熱電偶輸入

型號:  DS200GSIAG1CGD

品牌: GE

 

                                                                              產(chǎn)品詳情資料

DS200GSIAG1CGD端子模塊使用方法教程工控DCS系統(tǒng)自動(dòng)化設(shè)備

在469處接地時(shí),只有一根回流導(dǎo)線需要接地,因?yàn)樗鼈儍?nèi)部硬接線在一起。通過這種方式接地,RTD讀數(shù)不會(huì)出現(xiàn)誤差。如果RTD回路引線連接在一起并在電機(jī)處接地,則只能將一條RTD回路引線引回469。有關(guān)接線示例,請參見下圖。在469上運(yùn)行多條RTD回路導(dǎo)線會(huì)導(dǎo)致嚴(yán)重錯(cuò)誤,因?yàn)橐呀?jīng)為回路電流創(chuàng)建了兩條或多條并聯(lián)路徑。使用此接線方案會(huì)導(dǎo)致讀數(shù)錯(cuò)誤,與前面描述的REDUCED RTD LEAD NUMBER(減少RTD引線編號)應(yīng)用程序中的讀數(shù)相同。

                         產(chǎn)品英文詳情資料:

When grounding at the 469, only one Return lead need be grounded as they are hard-wired together internally. No error is introduced into the RTD reading by grounding in this manner. If the RTD Return leads are tied together and grounded at the motor, only one RTD Return lead can be run back to the 469. See the figure below for a wiring example. Running more than one RTD Return lead to the 469 causes significant errors as two or more parallel paths for the return current have been created. Use of this wiring scheme causes errors in readings equivalent to that in the REDUCED RTD LEAD NUMBER application described earlier.

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330180-90-00330180-51-00330130-040-01-05
330130-045-00-00330232-05-05-12-05330104-10-20-10-02-05
330703-000-040-10-02-00330104-00-04-05-02-00330103-00-04-05-02-00
330196-05-30-10-CN330101-00-12-10-01-CN330195-02-12-05-CN
330105-02-12-10-02-00330104-00-09-05-02-00330101-00-28-05-02-00
22810-00-14-10-0222811-00-04-10-02330104-00-10-10-02-05
330103-00-10-10-02-00330103-00-07-10-02-00330104-00-06-10-02-CN
330104-00-08-10-02-00330930-045-01-00330930-045-01-00
3500/42M 140734-023500/40M 176449-013500/53M 286566-01
3500/22M 288055-013500/40M 176449-013500/64M 176449-05
190214-01125720-02129478-01









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