西屋 1C31166G01 變頻器現(xiàn)貨
直流工作電壓的測量法
測得IC芯片各腳直流電壓與正常值相比即可.但也要注意:
(a表要有足夠大的內(nèi)阻
(b)各電位器旋到中間位置;
(c)表筆或探頭要采取防滑措施,可用自行車氣門芯套在筆頭上,
并應(yīng)長出筆尖約5mm;
(d)當(dāng)測量值與正常值不相符時,應(yīng)根據(jù)該引腳電壓,對IC芯片正
常值有無影響以及其它引腳電壓的相應(yīng)變化進(jìn)行分析;
(e)IC芯片引腳電壓會受外圍元器件的影響.當(dāng)外圍有漏電,短路,
開路或變質(zhì)等;
西屋 1C31166G01 變頻器現(xiàn)貨
1C31189G015415-816
1C31192G015415-851
1C31194G015415-852
1C31197G015415-856
1C31219G015415-858
1C31224G015415-966
1C31227G015416-190
1C31233G045416-337
1C31234G015416-338
1C31238H015416-339
1X00024H015416-351
3A99132G025416-352
3A99158G015417-032
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3A99200G015417-173
4D33942G015417-175
5A26391H245417-176
5X00070G045417-413
5X00105G075417-417
5X00119G015421-112
5X00121G015421-123
5X00241G015421-178
5X00301G015430-856
1C31127G015430-929
5X00321G015432-039
5X00167G015432-157
1B30047G015434-334
1C31107G015437-027
1C31107G025437-051
1C31110G015437-076
西屋 1C31166G01 變頻器現(xiàn)貨
R88M-G5K020H-BO-Z57C440
R88M-G5K020H-BS2-Z57402
R88M-G5K020H-B-Z57406
R88M-G5K020H-OS2-Z57407
R88M-G5K020H-O-Z57C422B
R88M-G5K020H-S2-Z57C404C
R88M-G5K020H-Z57C402
R88M-G5K020T-BOS2-Z57C416
R88M-G5K020T-BO-Z57C430
R88M-G5K020T-BS2-Z57419
R88M-G5K020T-B-Z57404B
R88M-G5K020T-OS2-Z57410
R88M-G5K020T-O-Z57411
R88M-G5K020T-S2-Z57402D
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R88M-G5K030H-S2-Z45C321
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R88M-G5K030T-BO-Z45C44
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R88M-G5K030T-Z45C203
R88M-G6K010H-BOS2-Z45C305
R88M-G6K010H-BO-Z45C344
R88M-G6K010H-BS2-Z45C364
R88M-G6K010H-B-Z45C380
R88M-G6K010H-OS2-Z45C381A
西屋 1C31166G01 變頻器現(xiàn)貨
中國自動化學(xué)會理事長孫優(yōu)賢院士作了題為《中國自動化學(xué)會五十年光輝歷程》的報告,回顧了過去50年來中國自動化學(xué)會的發(fā)展歷程以及中國自動化人所取得的輝煌成就,進(jìn)一步提出中國自動化學(xué)會未來發(fā)展和創(chuàng)新,以及建立一支致力于學(xué)會工作的專業(yè)隊(duì)伍的努力方向,號召所有中國自動化人緊密團(tuán)結(jié)起來,傳承錢學(xué)森偉大科學(xué)精神,共同開拓中國自