5X00167G01
5X00167G01
5X00167G01
數字量信號連接應注意的問題
變頻器的輸入信號中包括對運行/ 停止、正轉/ 反轉、點動等運行狀態進行操作的數字量輸入信號(開關型指令信號),這些信號常來自PLC 的數字量輸出信號。PLC 通常利用其內部的繼電器接點(繼電器輸出型P L C )或具有開關特性的元器件(晶體管輸出型PLC)與變頻器相連,得到運行狀態指令,如圖1 和圖2 所示。在進行數字量信號的連接時應注意:
(1)使用繼電器輸出型P L C 與變頻器相連時,應注意接觸不良常帶來變頻器誤動作,因此在實際接線中要注意連接可靠。
(2)使用晶體管輸出型P L C 與變頻器相連時,應注意晶體管本身的電壓的高低、電流的大小等限制條件在其範圍內,保證係統的可靠性。
(3)設計變頻器的輸入信號電路時,應盡量避免採用繼電器等感性負載,因繼電器開閉產生的浪涌電流可能引起變頻器的誤動作。
(4)當P L C 輸出的開關信號進入變頻器時,有時會發生外部電源和變頻器控制電源之間的串擾,應注意對P L C和變頻器分開接地,避免兩者使用共同的接地線。
MR-J10A-S07
HA-FE23D
MSD043A1XX
QAA2071,4-20mA 2個
GPCAA13TS53UT1010 1
安川齒輪,型號:HW9482451-A,類型:直齒輪 1
SKD145-16
FF450R17ME4
FF600R17KE3
FF200R17KE3
FF400R33KF2C
2MBI450VN-170-50
2MBI600VN-170P-50
6SL3325-1TG41-3AA3 1
3HAC022999-001
6SL3121-1TE24-5AA3 1
IC200GBI001 2美國
6AU1410-2AA00-0AA0
EHHD020A0F41Z ABB 500個
SV075iG5A-4 2
440G-T27123 2 2584
RH922VW FBM218 5
RH926SP FBM214/FBM218 2
RH928AW 2
P0916QD 3
1763-L16BWA 2 面價6932
A02B-0236-B613 1
AAD04A 1
AID16D 1
A0D16D 1
IDM CONTROLS CIMR-P5U2037 CIMRP5U2037
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HEWITT INDUSTRIES 6623A 6623A
HARMONIC DRIVE 472448-1 4724481
GIDDINGS & LEWIS 502-03814-40R1 5020381440R1
GETTYS M236-H60A-300S M236H60A300S
GETTYS 110-135 110135
GENERAL ELECTRIC IS200VCRCH1ABA IS200VCRCH1ABA
GENERAL ELECTRIC DS3820MSAB1A1A DS3820MSAB1A1A
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FOXBORO 135B 135B
FISCHER & PORTER 40CN3210A 40CN3210A
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ELECTRON MACHINE MPRESCAN MPRESCAN
DATALOGIC DX8200-2100 DX82002100
DANFOSS FC-102P15KT2P21H2XGXXXXSXXXXAXBXCXXXXDX FC102P15KT2P21H2
CUTLER HAMMER WCBO6F WCBO6F
CUTLER HAMMER SVX030A1-2A1N2 SVX030A12A1N2
CUTLER HAMMER PX4051A5BA PX4051A5BA
CUTLER HAMMER 7685T-15OD 7685T15OD
CUTLER HAMMER 7585T-8XE 7585T8XE
CUTLER HAMMER 1C17653G05 1C17653G05
CLEVELAND MOTION CONTROL X44-30289 X4430289
BUTLER AUTOMATIC DC23941-504 DC23941504
BRANSON 943D 943D
BOSCH 1070071356-101 1070071356101
BARBER COLMAN MCR6-41000-A01-1-00 MCR641000A01100
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BANNER ENGINEERING P4CORS P4CORS
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ALLEN BRADLEY 505-EOA 505EOA
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ALLEN BRADLEY 2711-K9A2 2711K9A2
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ALLEN BRADLEY 20AD040A3AYNANC0 20AD040A3AYNANC0
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ADEPT TECH PA-4 PA4
ADEPT TECH 90402-40013/XY-HRS013-S1B1-AD 9040240013XYHRS0
ADEPT TECH 90402-40013 9040240013
ADEPT TECH 30336-31000 3033631000
ADEPT TECH 10330-15350 1033015350
ACCURAY 069829-002 069829002