描述
PLC由于具有功能強、程序設(shè)計簡介,維護方便等優(yōu)點,特別是高可靠性、較強的適應(yīng)惡劣工業(yè)環(huán)境的能力,已被廣泛應(yīng)用于自來水行業(yè)。但由于現(xiàn)場環(huán)境條件惡劣、濕度高、以及各種工業(yè)電磁、輻射干擾等,會影響系統(tǒng)的正常工作,因此必須重視工程的抗干擾設(shè)計。水廠應(yīng)用中的PLC所受的干擾源主要有電源系統(tǒng)引入的干擾、接地系統(tǒng)引入的干擾和輸入輸出電路引入的干擾三類。如果PLC的干擾問題解決得不好,系統(tǒng)將無法可靠運行,將會影響到正常供水。因此,有必要對PLC應(yīng)用系統(tǒng)中的干擾問題進行探討。本文分別討論PLC的三種抗干擾技術(shù)。
產(chǎn)品承諾:
保?證?全新原裝進口,
保?證?安全準(zhǔn)時發(fā)貨,
保?證售后服務(wù)質(zhì)量,
優(yōu)勢價格,大量現(xiàn)貨。
主營DCS系統(tǒng)配件
機器人系統(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,橫河等進口品牌。 專業(yè)銷售進口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)實力庫存商家
RELIANCE ELECTRIC AUTOMATE 45C305 30E PROCESSOR 4K
CUTLER HAMMER EXPANDABLE CONTROLLER MPC1C22
NORDSON INVERTED DUAL HIGH PRESSURE FLUID FILTER
FRICK BOARD 333Q0000547 RWBII PLUS REV D2
ALLEN BRADLEY PSI BUS CARD 1784-PKTXD
ALLEN BRADLEY TOUCHSCREEN MONITOR 2711-MT20X SER B
ALLEN BRADLEY ANALOG OUTPUT MODULE 1771-0FE1 B
PHD PARRALLEL GRIPPER GRC151-2-3001
CUTLER HAMMER REVERSE STARTER A210M0CAC J
Oil Gear hydraulic drive 20 hp used type DR-2011
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AGET DUSTKOP 80E70
ALLEN BRADLEY CONTROL COPROCESSOR 1771-DMC/A
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MODICON PROGRAMMABLE CONTROLLER 884 AS-884A-311
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SKF 32036X ROLLER BEARING 7″
REXNORD PILLOW BLOCK ZPS-5307-F
ALLEN BRADLEY SCANNER HEAD 2755-L7RD SER D
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10″ WAESCHLE COPERION ROTARY VALVE ZPD 320.1-21GG
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ADATEK SYSTEM 10 DIGITAL I/O UNIT
AVTRON PULSE GENERATOR M628A
EL-O-MATIC ESA 350-4/A/L2 3″VALVE
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STEARNS SPRING-SET DISC BRAKE 108706100QF REV B
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EATON CUTLER HAMMER SJ COIL C070116
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ALLEN BRADLEY DRIVE IN 1305-BA09A SERIES C
BEST PUMP WORKS DL11995 1X1.25X5
DODGE QUANTIS HB683CN180TC 59.91:1
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FISHER ROSEMOUNT ANALOG INPUT OUTPUT CARD 12P0663X032
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GOULDS 3196 PUMP 2X3-6
Lincoln Electric LN-9 GMA Precision Wire Feeder Unused
Fanuc AC Spindle Servo Unit A06B-6059-H002 unused
Sperry Vickers Deceleration Valve Check DT15S2-060-K-11
Sensotec 441-30K 30,000 Load Cell Low-Profile Pancake
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Square D Symax 8030 CRM511 Ser A1 30608-502-58
Cutler Hammer 511H119441 Eaton Brake Assy 440v
RoMan Spot Welding Transformer #M446200PA2FOL
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Hydraulic Cable Winch crane for Galion 125 or 150 20k
GE General Electric Drive Programmer 6VHHP10A1
Kennedy 8″ Class 250 Flanged Valve Fire Main Gate 888H
Sola Heavy Duty 63-23-230-8 MCR Mini/Micro Computer Reg
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Indramat Servo Motor MDD090C-N-040-N?2M-110GA1
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Enerpac P-462 Two-Speed 10,000 psi Hydraulic Hand Pump
Cooper Air Tools 2.7 HP Air Motor Model 7309AA6 LWWB
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NEW Cutler Hammer 9-758-20 480v Coil NEW
GE General Electric 44A719323-106R0?8 Axis Board
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ABB 3HAB 2136-1/08 Robot Teach Pendant NEW
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CM 800 Lifting Magnet O.S. Walker 1760 lb capacity
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Heavy Lifting Magnet 1760 lb capacity
Nu-Era 10 Drawer Storage Cabinet Tool Box
Sperry Vickers Deceleration Valve Check DT15S2-060-K-11
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Miller CP-302 Welder 300Amp
EG&G Rotron High Pressure Regenerative Blower 20 hp
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CBI 55 Chassis BE 236 633 BMRP 1410 1545 244 354 D G
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Koehring Pegasus Servo valve 160A
Moog Servo Valve 73-744
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ROSS #3573A7152 2-8.5 Bar Valve 23VA 110/50 110-120/60
Marposs E4N LVDT Code 7651012030 s/n#02B03980
Alivar 66 AC Drive ATV66D16N44 motor controller used
Allen Bradley AB 1394-SJT05-C-RL Ser B Servo Controller
GE Fanuc A14B-0070-B103-?03 Input Unit NEW
Mitsubishi Electric CNC MR-S11-200-E31
Allen Bradley 8000SACG1 90699603
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A-B Allen Bradley 803-PL6 Rotary cam limit Switch NEW
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Nu-Era 5 Drawer Storage Cabinet Tool Box
Nu-Era 5 Drawer Storage Cabinet Tool Box
Equipto 9 drawer storage cabinet tool box vidmat style
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Tol-O-Matic Rodless Air Actuator 160″ Stroke N.I.B.
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Unico 319-663 Resolver
Lista 11 Drawer Storage Cabinet Tool Box
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Ross 3573A4880 Pneumatic Valve Unused
Sieb Meyer 26.36.16 Module 5M Axis Servo Amplifier
Square D 400amp Breaker MHP36400MTV6175 Unused
Leeson 100 hp 3 phase electric motor model n405t1fb6b
EQUIPTO 12 drawer work bench
Modicon PC-0984-485 PLC Unit
Nu-Era 10 Drawer Storage Cabinet Tool Box
IR Ingersol Rand ML500K2C 55 FPM 15′ lift good shape
Sensotec 41/0573-01 50K 50,000 lbs Load Cell Lo-pro
Miller CP-250TS Welder 250Amp s/n# JD660905
Sperry Vickers Deceleration Valve Check DT15S2-060-K-11
Lista 9 Drawer Storage Cabinet Tool Box
Stanley Vidmar 8 Drawer Storage Cabinet Tool Box
Square D Omegapak 5BF04N Ser A 15-40 hp E07H10R16H07A16
GE TH3362JCH DH362FDK2WR H362AWC Crouse-Hinds Recept12N
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Reliance 0-51865-15 CLDS Board
Reliance 603515-5A Danaher Kollmorgen TGF-2100-03-A Tac
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Sieb Meyer 26.36.2 Power Supply Brushless Servo Sinudyn
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GE Fanuc A20B-8001-0121/?03A Board
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AB Allen Bradley 8000 KACZ Communication Module
Okuma LB15 Operator Panel A099-0002 English NEW
GE General Electric 44A719308-101 NCB01 Control Board
Hurco I/O Interface Board 415-0607-903 Rev C NIB
AB Allen Bradley 3HAB5960-1 Robot CPU Board
AB Allen Bradley 3HAB2241-1 CPU Board DSQC-325
IR Ingersoll Rand ML500K 1/2 ton Pendant Air Hoist 11′
SKF 7214 ACDP4A Extra Precision Bearing Set of 2 NIB
Huge 36″ Vintage Machine Wheel Industrial Decor Art
Enlarge
7/8″Acco Grade 80 Chain Sling 1 Leg 25′ Reach #DW020068
7/8″Acco Grade 80 Chain Sling 1 Leg 25′ Reach #DW020068
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Nu-Era Modular Drawer System Cabinet Tool Box
CM Lodestar1 ton chain hoist w/Trolley 30′ lift 3 phase
Mannesmann Demag DK2-125-K-V3F6 2-speed Chain Hoist
Stanley Vidmar 6 Drawer Storage Cabinet Tool Box
Allen Bradley 8000KAATZ 8000 KAATZ 90034 REV-12
Motor Home Pusher Axle #S130FR p/n# 513656 10 Lug
Intervac Pump CS0/035/1-1A Pump #32-45/C/GH
Warner SER R R250 2.5″ ball scre 1″ lead 157.5″ travel
OHIO Gear T2600-3 60:1 gearbox gear box
Lista 6 Drawer Storage Cabinet Tool Box
Lista 5 Drawer Storage Cabinet Tool Box
Lista 5 Drawer Storage Cabinet Tool Box
Lista 5 Drawer Storage Cabinet Tool Box
Lista Cabinet 8 Drawer Workbench 60″x30″ Top Vidmar
LISTA Cabinet 8 Drawer Workbench 48″x30″ Top Vidmar
SKF NN 3022 KTN9/SPW3 NN3022KTN95PW33 Bearing NIB
Jancy Slugger JM2000 Magdrill Magnetic Drill Reversible
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Oil Gear Pump PVWH15LDFYCLNNT?KCP740B s/n 06621708
IDC Board TM90CPU Rev G board
GE General Electric 44A719307-104 CPU14 Processor Board
GE General Electric 44A719343-101R0?3 PC Board
Joslyn Clark Ward Leonard DC Contactor RDP4-0021-11
Dell Marking Systems DCM-9010 Control Module NIB
7/8″ Chain Sling 25′ Reach 1 Leg
7/8″Acco Grade 80 Chain Sling 1 Leg 25′ Reach #DW020047
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)實力庫存商家