廈門仲鑫航自動化設(shè)備有限公司
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廈門仲鑫航自動化設(shè)備有限公司
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產(chǎn)品型號3500/33
品 牌
廠商性質(zhì)經(jīng)銷商
所 在 地廈門市
聯(lián)系方式：張芳查看聯(lián)系方式
更新時間：2018-05-14 09:00:00瀏覽次數(shù)：251次
聯(lián)系我時，請告知來自 儀表網(wǎng)Bently Nevada 3500/33
Bently Nevada 3500/33
Bently Nevada 3500/33
Bently Nevada 3500/33
在自動化控制系統(tǒng)中，變頻器的使用越來越廣泛，變頻器對PLC模擬量干擾問題也凸顯出來。下面舉一個變頻器對PLC模擬量干擾的例子以及用信號隔離模塊克服此類干擾的解決辦法。
現(xiàn)象說明：西門子PLC中AO點(diǎn)發(fā)出一路4-20mA電流控制信號，輸出至西門子變頻器，無法控制變頻器啟動。
故障查找：1，疑似模擬量輸出板卡問題，用萬用表測量4-20mA輸出信號，信號是正常的!2，開始懷疑是變頻器控制信號輸入端有了問題，換了一臺同型號變頻器，問題仍然如此。3，用一臺手持式信號發(fā)射器做4-20mA輸出信號源，輸出標(biāo)準(zhǔn)電流信號至變頻器，這下變頻器啟動了，因而我們排除了模擬量輸出板卡和變頻器的故障。4，由此推測是變頻器的干擾信號傳導(dǎo)至模擬量通道所致。5，為了驗(yàn)證，在PLC模擬量4-20mA輸出通道中加裝了一臺信號隔離模塊TA3012，TA3012的輸入端子5、6接模擬量輸出模塊，輸出端子1、2端子接變頻器，3、4端子接外部24VDC供電電源，變頻器正常啟動了。5，據(jù)此斷定，問題的根源在于變頻器干擾模擬量通道所致。
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Universal 17578 Circuit Board T37723
Kay 58-P22348E001 Transducer T37660
Dayton 3N471M Motor W/blower 3PH 1/2HP 3450/2850RPM T32
Atlas Copco Ena PD 32 UL 8730 7171 CSA-E730.1 Air Fi
B863458-0 Dual Head Pneumatic Cylinder T32733
Lot of 2 Circular Bearings W/ 50" Rails T33411
JPF DF-016 Feeder System T25182
HP 08360-60019 Rear Panel Interface Assembly T38401
10073-3000 Power Supply Assembly T38404
Zebra 403941-001A Firefily P Circuit Board T38551
Omron E5CK-QR1 Digital Controller T38966
Yaskawa JEPMC-PS050 PROGIC-8 Power Supply T38967
Yaskawa JEPMC-MC002Y PROGIC-8 Power Supply T38973
Honeywell 205-9873 Proximity Switch T38859
Panasonic GP-KR402 Industrial Color CCD Camera T39014
Colt 02514-7 02515-8 Servo Board T39020
902837 SRB 3E2322 Circuit Board T39097
Parker 7-926-100586 60652-35 Hydraulic Valve Assembly T
Unitek 9-034-01 Solder Station HF Inverter T19767
Manual Elevator Test Stand Lab T3566
Tektronix 7603 Oscilloscope Programmable Digitizer 702
Trygon L3R28 DC Power Supply 24-32VDC T3455
Mareleco PAL-1500-0006 Disconnect Power Supply 1.5 KVA
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Antique Old Manual, Hand Press 12"x10" Base, All steel
EM HCR 20-13-100 T22373
Baldor VM3538 Motor w/ Gear T26358
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Kennedy KS-FW Water Flanged Gate Valve T18634
Microwave Radio 900656-1 Waveguide Amplifier T37632
Elco K25A-5 Power Supply T37756
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Universal 17578 Circuit Board T37869
A161A167229 07L8002 00053M T37874
MPM PC-279/B Circuit Board T38098
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Advantech PCA-6184, 1906618406 CPU Board T38593
Noritsu Koki 9J157A-08 LI, J303102 Circuit Board T42719
Cutting Press Die 15" to 18" Length T25960
HP Hewlett Packard 85662-60190 Circuit Board T45456
Tektronix J100 VR Module T45927
Xerox 062K17233 Laser Scanner Unit T46027
Heidolph 13.225.012.14/O?D, 13-000.012.13 Power Supply B
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ELPAC ELV 125-5 DC Power Systems ELV125-5 T7783
120 ELLIOT EG EE201 BLACK HIGH TEMP DRY VINYL TAPE LOT
Lot of 4 Watlow Columbia F060100C7 99400-08 Polyimide H
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Viscom Hannover 30.008.0008 VPAC Card T14577
Viscom Hannover 30.008.0021 VPAC Card T14578
Panasonic MFA010LA2NSK AC Servo Motor w/ screw assembly
Lot of 3 Oilair AM3NC116-1-4-MP 964005AC 206F50044 Valv
Lot of 3 Magnet-Schultz X AP X 044 K54 D11 Step Motors
Lot of 7 BTI Anatom-78S Transmitter Safety Switch 24VAC
NOR MERIDIAN NT8D83AD DTI TO I/O CABLE T13376
Rexroth Pneumatics 0822063006 Guided Cylinder GPC 25X10
Amp 90202-2-P Crimping Tool, Crimper T44684
Mitsubishi FX1S-14MR-ES/UL PLC 8 IN, 6 RELAY OUT T20128
Lot of 2 Siemens 3TG2222-2B VDE0660/IEC158 Relays 380V
Coats, Furnas Electric 4045 "COMACO" Minor Spring Testi
ADR Link 847-301025-101 16x E3 Unbalanced Panel T26995
847-400108-001 16x Unbalanced Panel T26998
Motorola BM-X, A1418D Receiver Board T27923
Oriental Motor 5IK60RGU-CFP, 5GU120K Speed Control Moto
Kooltronic KP529A Standard Twin Packaged Blowers T28548
Signal Transformer MPI-650-48 Transformer T29183
HP Agilent 08753-60164, A-3347 Generator Assembly Board
Iwaki MD-30R-200N Magnet Pump T29807
Lot of 2 USG 63148-62-9 Gauges T29828
Bard 06-0137-001, 300137001 A11 Board T29934
Lot of 34 Grayhill 70-IDC5 I/O Module T30365
Kraus & Naimer KG252 Disconnect Switch 250 Amp T30366
Perkin-Elmer 047-9241, 047-9893 Circuit Board T30425
Perkin-Elmer 047-9011, 047-9013 Circuit Board T30426
Lot of 2-1/2 lb Rivets T30777
CSi, Speco PSV-5 DC Power Supply T30761
Festo DFM-32-125-P-A-?GF Pneumatic Actuator T30908
Lot of 17 Keyence PQ-01T Photoelectric Sensor T30917
Dixson 6680-01-131-969?8, NJT4, 1310070, SPM4M1-08-D-00.?..
HP Hewlett Packard 8764B Coaxial Switch T33972
Lot of 2 95045-01, MLPL07 Control Board T32713
Motorola BM-X, BC-X, A1418D Receiver Board T32722
Teknor Applicom T70EDX2F_3-04M Circuit Board T34359
Teknor Industrial Computers T703DX2F_3-000, TEK703-3 Ci
Industrial Computer Source 30097-01A, 10397-01B, PCDIO7
Donpisha XC-003, 3CCD Color Video Camera Module T34634
National Instruments BNC-2090, 183468A-01 Rackmount I/O
HP Hewlett Packard 08753-60164, HR3-0A-3347 Generator A
Oriental Motor CSD5828N-P Vexta 5-Phase Driver T39029
Media Form CD-3704 Burner Duplicator T4403
Hartec C1695CC50150001 Part Feeder for Rubber T27376
CyberOptics 6604097 Laser Module T41784
CyberOptics 6604097 Laser Module T41785
T2Y8513 C21, 0Q1M8 Circuit Board T42330
Quantum TAZXX Fireball Hard Drive T45504
HP Hewlett Packard 08753-60068 FN Digital Board T45868
Industrial Computer Source 14008-02, CMX-7M Circuit Boa
HP E1300-66511, 847105236 Circuit Board T45357
Tektronix G9B-1892-00 Circuit Board T46142
94756-25476-401?-1, 94756-25476-401?-11 Circuit Board T46
ISSC 90CPCB IPC 90 Industrial Programmable Controller T
ISSC 90CPCC IPC 90 Industrial Programmable Controller T
Gen Tec PRJ-D Joulmeter Readout T4193
edyne NALL-500 Hastings Flowmeter T4209
HP 03335-66513 Circuit Board T44345
40570 Circuit Board T44462
Tektronix 334-8606-02 Front Panel from Tektronix CTS 71
Tektronix 09A-0852-02, 671-2653-03 Circuit Board T44481
HP 03776-60113 Circuit Board T44493
HP 03776-60101 Circuit Board T44496
HP 03776-60102 Circuit Board T44497
HP 03776-60113, 2318-14 Circuit Board T44498
HP 03776-60112 Circuit Board T44499
HP 03776-60114, 2311-14 Circuit Board T44500
HP 03776-60000, 2310-14 Circuit Board T44501
HP 03776-60015, D-14 Circuit Board T44502
HP 03776-60005 Circuit Board T44503
HP Circuit Board T44504
HP 03776-60111, 2340-14 Circuit Board T44505
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