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            模塊電纜\WRMS33205-A
            發布者:大德匯成科技(廈門)有限公司  發布時間:2024-05-16 17:21:47  訪問次數:154

            模塊電纜\WRMS33205-A

            模塊電纜\WRMS33205-A

            模塊電纜\WRMS33205-A


            變頻器運行時對PLC干擾應注意的問題

            變頻器運行時會對周圍電氣設備(包括P L C )產生較強的電磁干擾,同時變頻器主電路斷路器等開關器件動作時也會影響PLC 的正常工作。為防止變頻器運行時對PLC干擾,變頻器與P L C 相連接時應該注意以下幾點:

            (1)對PLC 本身應按規定的接線標準和接地條件進行接地,而且應注意避免和變頻器使用共同的接地線,且在接地時使二者盡可能分開。

            (2)當電源電壓波動大,諧波成分多時,為抑制諧波干擾,應在PLC 的電源模塊及輸入/ 輸出模塊的電源線上接入噪音濾波器或者隔離變壓器。如果干擾仍嚴重,應考慮在變頻器主回路中接入電抗器、變壓器和噪音濾波器等措施。

            (3)變頻器和P L C 安裝在同一電控柜時,應盡可能使與變頻器有關的電纜和與PLC 有關的電纜分開安裝,尤其是連接變頻器的強電電纜與連接PLC 的弱電電纜更要分開安裝。

            4 結束語

            變頻器和P L C 間連接問題,涉及到數字量信號連接、模擬量信號連接以及避免干擾應注意的問題;在實際應用中,兩者間的連接還涉及到用弱電信號控制強電的問題。因此,應引起重視,避免干擾造成變頻器、PLC 的誤動作;避免連接不當造成PLC 或變頻器的損壞。

            如果購買單位的在質保日期一年內發現有質量缺陷的,可以進行一個免費維修或更換。

            JWAK-35S5D15S12NI(輸入AC165-265V,輸出5V、+_15V) 個 1

            6SE7090-0XX85-1DA0            1----------------

            6SE7090-0XX84-1AB0             1----------------

            SD832      10-------------------------------

            SS832            4------------------

            SD833       3------------------

            6EP1961-3BA41     1

            綜合保護測控單元 F35N03HUH8LH6AM6EW7C  (1/5A;DC220V;RJ45;IEC61850)   2個

            IC200ALG260D    數量:6塊

            ACS880-01-24A3-2    1

            ACS880-01-10A6-2    1

            ACS800-01-0006-3+P901    1

            TCP1561Hi     1

            ATV610H40N4    1

            FZ1000R16KF4    1

            RH40G-4DK.2F.1R    1

            ATV71HU40N4    1-------------------

            5094-AEN2TR數量10   10580-------------------

            6SN1111-0AA00-1FA0數量1-----------------

            BMEH584040C--------------------

            BMENOC0301C--------------

            FX3U-32MR/ES數量2

            A16B-3300-0035/01A       1

            PSD-30/0-400bar/P#:13188977/S#:11046JCX    10

            PSD-30/0-35bar/P#:13186206/S#:001261BXA2    10

            HDA3845-A-400-000    10

            HDA3840-A-350-Y24(6m電纜)    20

            PT100/TFP104-000 904696/Seriennr:137D052151/帶插頭    10

            ETS386-3-150-Y00-30-150℃/20-32VDC/1.2A/ART-N2:920651/SERIENNR:137D02744/帶插頭    10

            PT100/TFP104-000 904696/Seriennr:137D052151    10

            BTL5-T110-M0250-B-S103    1

            BTL5-T110-M0400-B-S103    1

            UB2000-F42-I-V15    5

            ME320L-4015-IFE      1

            ARND-4044T        1

            ARND-4186S        1

            GS2107-WTBD       1

            GPIF-4037B       1

            IM-M739/5-40PC       1

            型號規格:OMS200 151F0504 類型:液壓馬達,排量:OMS200 數量1

            DFQRGQG40L-I 數量6

            SXE9575-Z71-81K 數量10

            CP96SB63-130C,替代CP95SB63-130 數量12

            MNIH-2-1-MS 數量6

            JMN1H-5/2-D-3-C 數量10

            VIIPC PCE-6010    數量:2

            KL1104   8   

            KL2424   9

            KL9100   3

            KL4004   3

            9000-41084-0401000    數量:2

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            VARIAN 115773 MOTOR (XQB56517D55074)
            VARIAN 115948002 CAP,CRUICIBLE
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