描述
干擾源及干擾一般分類影響DCS控制系統(tǒng)的干擾源與一般影響電力控制設(shè)備的干擾源一樣,大都產(chǎn)生在電流或電壓劇烈變化的部位,這些電荷劇烈移動的部位就是噪聲源,即干擾源。干擾類型通常按噪聲干擾模式不同,分為共模干擾和差模干擾。共模干擾和差模干擾是一種比較常用的分類方法。共模干擾是信號對地的電位差,主要由電網(wǎng)串入,地電位差及空間電磁輻射在信號線上感應(yīng)的共態(tài)(同方向)電壓疊加所形成。共模電壓通過不對稱電路可轉(zhuǎn)換成差模電壓,直接影響測控信號,造成元器件損壞(這就是一些系統(tǒng)I/O模件損壞率較高的主要原因),這種共模干擾可為直流,亦可為交流。差模干擾是指作用于信號兩極間的干擾電壓,主要由空間電磁場在信號間耦合感應(yīng)及由不平衡電路轉(zhuǎn)換共模干擾所形成的電壓,它們直接疊加在信號上,直接影響測量與控制精度。
產(chǎn)品承諾
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主營DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌:ABB???,AB??,GE,FOXBORO,本特利,英維思,伍德沃德,西屋,瑞恩,施耐德,西門子,摩托羅拉,安川。力士樂。ACSO,橫河等進(jìn)口品牌。 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實(shí)力庫存商家
Kulicke & Sofia K&S 01483-1039-000-?05
Mitsubishi AC Servo motor HC-SFS52K 0.5kW
AXIC D-PAD use on precision 1000
HV# Seagate BER2 VXI card
HV# Seagate DSP VXI card
Velconic VLPST-025P2P-XX
KLA driver board 710-404556-00
Adpro VM12 PAL module
Edwards Q controller interface P/N: A52844489
Siemens 6AR1313-0FA04-0?AA0 KSP-COM352 PL EA 00347434-01
Siemens 6AR1314-0BB00-0?AA0 Video-multplexe?r
Watkins Johnson WJ952 MFC regulator PWB 903168-001
Opal lens control 70312532000
Opal CLC/G EA70412575200 70412575200
Siemens 6SC6108-0SE02 462 011.9084.02 C D E
Opal MISI board EA70512550000 70512550000
Kollmorgen silverline servomotor H-344-H-0212
Omron NT30-ST131B-E
Leitz wetzlar PL FLUOTAR ∞/0 100x/0.90
Rosemount 300S1AAD1M5 & 3051S2CD3A2F12A?1AD1D2M504
Rosemount 300S1AAD1M5 & 3051S2CG1A2F12A?1AB2C1D1M504
Jetter Delta CPU D-CPU H. Rev. V4.01 no module
Datacon CONTEC 87 EPC Rev. 2
Datacon CONTEC/87 DSM 1.0 BS.
H# Kyowa EMZ-D & Sony CCD 93B & moritex illuminator
Ultrapointe PMT PREAMP assy: 000276
HV# Nikon 4S007-904 MAIN-BCR
Mitsubishi A2NCPUP21 A2NCPU P21 with A3NMCA8
Schneider TSX premium TPMXP57102 PMX 57102M processor
Agilent/HP 54603B 60MHz oscilloscope
H# Agilent 41421B Source/Monitor unit
HV# Mitsubishi Melsec-Q QD75M4
Sony LH51-3 J1 display unit
Hitachi fiberoptic rotary joint HRJ-4EDL-R
Canon INL-DT GG0-1405
Areva MiCOM P143
Mitsubishi A2NCPUP21 A2NCPU P21 with A3NMCA4
Omron C200HE-CPU32-Z COM04-V1 C200HW-CLK21 NC413 PLC
Omron C200H-MC221 C200H-AD003 C200H-ID217 OD219 PLC
Orthodyne electronics 171562 Rev. B
ESEC SA 630.181/3
TV250 controller pump 9699425S004
Sciex DACS & VACUUM GAUGE 025173
IAI SEL-GDS-3-AC-20?0. 30. 20-2
Omron NT30-ST131-E interactive display
ICT teradyne 4590059T Rev: 24-10-01
GOOCH HOUSEGO QS27-4SN ROFIN SINAR LASER Q SWITCH
Rofin Sinar Laser LLM A.Nr. 3040780
H# VXI SM8102-85-50-FC P/N: 70-0128-002
HV# Tektronix 1731 waveform monitor
Rosemount 300S1AAD1M5 & 3051S2CG1A2F12A?1AB2C1D1D2M504
RVSI head P/N: 52335WH
Siemens HMI 6AV6 642-0DC01-1AX1
Siemens IBSAF S26311-D807
Mitsubishi melservo MR-H350AN
Yokogawa F3PU20 F3SP20 F3XD64 F3YD64 F3NC02 F3XD32 PLC
Agilent 54621A megazoom 60MHz 200MSa/s self test passed
Shimadzu board 501-69697C assy 501-69696D
Shimadzu board 501-69697D assy 501-69696D
Verity SDC2006 P/N: 1007444
Leybold Heraeus IONIVAC IM210D
Canon MSD-IF GG0-0236
LightProcessor QDMuX 24
Canon BG9-4762 BG8-3113 BH8-1072-01 PA stage
Canon BG9-4764 BH8-1074-01 PA CCD
HV# Pentax PVA-1000
HV# ALLEN-BRADLEY 1785-L40L SERIES C PLC-5/40
Commonwealth scientific assy 37002 & 33306-1
Mitsubishi CPU unit Q02HCPU
Omron NT20M-DF125-V1 & NT20M-LB121-EV1
Siemens 6AR1311-0CD30-0?AA0 NEW
Fuji Faldic RYC751D3-VVT2 750W
Hamamatsu lightningcure LC5 L8333-21
Luxtron 10 Optical fiber temp cont’l system Opt:PMS-HTE
Siemens 1183123 K1057 11 83 123 K1057 D11
Panasonic BUU00001 BXX00002 teach pendant
Bronkhorst Hi-Tec single channel style A V3.21
Kensington 3 axis board 4000-60002 Rev. V
ASM 03-20399-05 Rev E
Tencor 4 channel motor control assy 261408 rev. B
HV# VMT-68KII card
Canon OLS-DRV GG0-0876
Canon BH4-0224-03 BG6-0124 use on canon PLA
Legrand minitronics commander area controller V4.3
Olympus LCAch 40x/0.55 Ph2 ∞/1
445-04403 multibus bd BIT-3
Proface GP577R-SC41-24V?P
Industrial devices RB4A-02-5G-SE4-?23X-L0-CVO-SPCL slide
Kikusui PAS20-36 regulated DC power supply
Yaskawa servopack CACR-PR01AC3ER
LTX TC II P.S. control 865-2625-00
Parker compumotor SX6-DRIVE 87-011751-01 E
Siemens simatic 6ES5458-4UA12 & 6ES5498-1AB11
Mitsubishi Melsec A616AD
Canon BG9-3769 BH8-0766-01 PZ drive PCB
H# Nikon BD PlanApo 150/0.9 210/0
Motorola MVME 147SRF
PLC模塊,可編程控制器,CPU模塊,IO模塊,AI模塊,通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅
15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實(shí)力庫存商家