6GK5202-2BB00-2BA3交換機
6GK5202-2BB00-2BA3交換機
6GK5202-2BB00-2BA3交換機
變頻器運行時對PLC幹擾應注意的問題
變頻器運行時會對周圍電氣設備（包括P L C ）產生較強的電磁幹擾，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幹擾，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，為抑制諧波幹擾，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。如果幹擾仍嚴重，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 安裝在同一電控櫃時，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幹擾應注意的問題；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，避免幹擾造成變頻器、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。
DTA4848R1 1
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Fanuc A06B-6110-H037 Power supply module 1
Fanuc A06B-6111-H030#H550 Servo drive 1
990NAA26320 10
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6ES7331-7RD00-0AB0 2
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TSHCUSB232 1
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ASL09-30-01-81 DC24V 9A 12
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INDUSTRIAL DEVICES B8962-FK1-AAAA-FF B8962FK1AAAAFF
INDUSTRIAL DEVICES B8962 B8962
INDRAMAT MDD093B-N-030-N2M-110GA0 MDD093BN030N2M11
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HONEYWELL W7760A-2011 W7760A2011
HONEYWELL 51195458-600 51195458600
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GIDDINGS & LEWIS 401-34438-20 4013443820
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GETTYS M238-H50A-300Y-AK M238H50A300YAK
GENERIC M29W400DB70N6 M29W400DB70N6
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GENERAL ELECTRIC DS3800NEPA1D1A DS3800NEPA1D1A
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GENERAL ELECTRIC 137D6751G1 137D6751G1
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GE FANUC IC3600STKP1 IC3600STKP1
FURNAS ELECTRIC CO A1-116-250-504 A1116250504
FURNAS ELECTRIC CO 40LP32AF 40LP32AF
FOXBORO 740RA-A3333-N 740RAA3333N
FANUC A16B-1010-0041 A16B10100041
FANUC A16B-0160-0960 A16B01600960
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FANUC A06B-6058-H229 A06B6058H229
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FANUC A06B-0331-B575 A06B0331B575
ELDEC 5250062 5250062
ELDEC 5250054 5250054
DYNAMATIC AF-525007-0480 AF5250070480
DOLAN JENNER SS400-10084 SS40010084
DANFOSS VLT3504 VLT3504
DANFOSS 175H8854 175H8854
CUTLER HAMMER W201KGCFZ1 W201KGCFZ1
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CLEVELAND MOTION CONTROL A5174-48 A517448
BOSCH SFA4023003004050 SFA4023003004050
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BOSCH 0-608-830-157 0608830157
BOSCH 0-608-830-142 0608830142
BATTENFELD PDVS-102/1 PDVS1021
BAILEY CONTROLS NSBM-01 NSBM01
BAILEY CONTROLS INNPM-12 INNPM12
BAILEY CONTROLS 6637033A3 6637033A3
BAILEY CONTROLS 6637033A2 6637033A2
ASEA BROWN BOVERI ACS60402105000B00009R1 ACS60402105000B0
ALLEN BRADLEY MPL-B560F-MK24AA MPLB560FMK24AA
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ALLEN BRADLEY 150-A135NBDD-8B4 150A135NBDD8B4
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ACTUS POWER NPSA-102M4-E9BS NPSA102M4E9BS
ACCURAY 083886-001 083886001
ACCU SORT 1000062887 1000062887
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