A-B 1747-SDN

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描述

A-B 1747-SDN
维修方便:这是因为:
    ①PLC工作可靠,出现故障的情况不多,这大大减轻了维修的工作量。这在讲述PLC的第三个特点时,还将进一步介绍。
    ②即使PLC出现故障,维修也很方便。这是因为PLC都设有很多故障提示信号,如PLC支持内存保持数据的电池电压不足,相应的就有电压低信号指示。而且,PLC本身还可作故障情况记录。所以,PLC出了故障,很易诊断。同时,诊断出故障后排故也很简单。可按模块排故,而模块的备件市场可以买到,进行简单的更换就可以。至于软件,调试好后不会出故障,再多只要依据使用经验进行调整,使之完善就是了。
    (5)改用方便:PLC用于某设备,若这个设备不再使用了,其所用的PLC还可给别的设备使用,只要改编一下程序,就可办到。如果原设备与新设备差别较大,它的一些模块还可重用。
    3、工作可靠
    用PLC实现对系统的控制是非常可靠的。这是因为PLC在硬件与软件两个方面都采取了很多措施,确保它能可靠工作。事实上,如果PLC工作不可靠,就无法在工业环境下运用,也就不成其为PLC了。
    (1)在硬件方面:
    PLC的输入输出电路与内部CPU是电隔离。其信息靠光耦器件或电磁器件传递。而且,CPU板还有抗电磁干扰的屏蔽措施。故可确保PLC程序的运行不受外界的电与磁干扰,能正常地工作。
    PLC使用的元器件多为无触点的,而且为高度集成的,数量并不太多,也为其可靠工作提供了物质基础。
    在机械结构设计与制造工艺上,为使PLC能安全可靠地工作,也采取了很多措施,可确保PLC耐振动、耐冲击。使用环境温度可高达摄氏50多度,有的PLC可高达80–90度。
    有的PLC的模块可热备,一个主机工作,另一个主机也运转,但不参与控制,仅作备份。一旦工作主机出现故障,热备的可自动接替其工作。
    还有更进一步冗余的,采用三取一的设计,CPU、I/O模块、电源模块都冗余或其中的部分冗余。三套同时工作,最终输出取决于三者中的多数决定的结果。这可使系统出故障的机率几乎为零,做到万无一失。当然,这样的系统成本是很高的,只用于特别重要的场合,如铁路车站的道叉控制系统。

产品承诺:
保 证 全新原装进口,
保 证 安全准时发货,
保 证售后服务质量,
优势价格,大量现货。

主营DCS系统配件
机器人系统配件
大型伺服系统配件
品牌:ABB   ,AB  ,GE,FOXBORO,本特利,英维思,伍德沃德,西屋,瑞恩,施耐德,西门子,摩托罗拉,安川。力士乐。ACSO,横河等进口品牌。 专业销售进口DCS  PLC系统备件模块
Triconex Siemens Yaskawa ABB GE Ovation AB Foxboro Motorola Schneider XYCOM KUKA
  专业销售进口DCS  PLC系统备件模块 15天包退换 一年质保 大量现货  国内实力库存商家

ALLEN-BRADLEY 1391B-AA45/D AC SERVO CONTROLLER

SIEMENS S7-300 SIMATIC PLC SYSTEM 315-2AF03-0AB0 CPU

SIEMENS 6ES5955-3LC42 POWER SUPPLY MODULE

TIMKEN M241549/M241510 TAPERED ROLLER BEARING,NEW

34 ALLEN-BRADLEY 800T SERIES PUSH BUTTONS,MIXED

NORDSON 8514893 HOT MELT GLUE GUN,NEW

BALDOR ZD18H203-E AC FLUX VECTOR DRIVE,3HP

SIEMENS 6SN1118-0AA11-0​AA1 SINGLE AXIS DRIVE

3 GUHRING 23MM SOLID CARBIDE COOLANT DRILLS,TIN,NEW

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NEWALL 7B211000 DP7 DIGITAL READ-OUT,AXIS,S​CALE

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30 ALLEN-BRADLEY PUSH-PULL START-STOP BUTTONS,PILOTS

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ALLEN-BRADLEY 2711-K5A8 PANELVIEW 550 INTERFACE,NEW

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ALLEN-BRADLEY 1394C-AM07 AC SERVO AXIS CONTROLLER,NEW

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DART MD10P DC SPEED CONTROL DRIVE,W/PU-20E PICKUP,NEW

5 POUNDS KESTER 24-7068-9720 LEAD FREE SOLDER 1mm

SIEMENS 505-6851-A REMOTE BASE CONTROLLER,NEW

24 ALLEN-BRADLEY PILOT LIGHT PUSH-BUTTONS,KE​YED,MIXED

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2 HPI ER-32 COLLET CHUCKS,CAT-40,T​OOL HOLDER

NORTON 5″x1-3/4″x1-1/4​” CBN GRINDING WHEEL NEW

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2 CUTLER-HAMMER ED3225 3-POLE CIRCUIT BREAKER,225 AMP

SQUARE-D Q2-32125 125 AMP CIRCUIT BREAKER I-LINE

KENNAMETAL? 11-5/8″X 1-1/2″ BORING BAR,A24UMCLNR4 NC7

WILSON .250″X4″ THICK TURRET RECTANGLE PUNCH & DIES

SQUARE-D AW-2 ELECTRONIC FOOT SWITCH,600VAC/D​C,COVERE

BERGER LAHR RDM 51117/50 STEPPING MOTOR,NEW

4 BAUSCH & LOMB ILLUMINATORS & 31-35-28 TRANSFORMERS

2 REXROTH VT 3000 PROPORTIONAL VALVE AMPLIFIERS

EMERSON FX-6210 POSITIONING SERVO DRIVE

CALCO 1/2HP AC MOTOR,1730RPM,1​15/230VAC,NEW

CALCO 1/2HP AC MOTOR,1730RPM,1​15/230VAC,NEW,5​6 FRAME

PARKER HPX15T-XTAA-2 OPERATOR INTERFACE COMPUTOR,NEW

SQUARE-D FA36060 60 AMP CIRCUIT BREAKER I-LINE

STRIPPIT 1-1/4″ NUMBER PUNCH W/ 7 NUMBER KEYS

20 FAFNIR G1008KRRB+COL 1/2″ BEARINGS W/COLLARS NEW

ALLEN-BRADLEY 22B-D024H204 POWER-FLEX 40 AC DRIVE

MITUTOYO 321-011 CMM PROBE, SENSOR

HARIG TRU-DEX PRECISION WHEEL DRESSER,RADIUS-​TANGENT

Quantum Sun 213830-17P 212330-05 6471405-11 633056405

Sun 380-1196-1 LTO-3 Tape Drive 6420800-11 70-85775-01

Motorola VME Card SBC MPC750 EO-00102 XPC8260 8260 166

Motorola AdvancedTCA 10GBPS Ethernet Blade Force PMC

Motorola CPCI CompactPCI PCRB 01-W3833F-02C CPSB Blade

ROBERTSHAW Robert Shaw N506010 N506-010 Controller

DEC Rainbow 100/190 ONLY ONE IN THE WORLD rare vintage

Motorola Ericsson ATCA7221 PENT/ATCA-7221/​2G-DP2800-FC

MFM Hard Drive Ampex PYXIS-13 PYXIS13 3315442-01-K Stu2

BULK LOT x25 Hard Drive SCSI Seagate ST15150N 4GB 50pin

IB800 IB800S-16M P4 SBC PICMG Industrial Computer 2GHz

Motorola MCPN765 CPCI CompactPCI SBC 01-W3722F-23A 750

ZNYX ZX4500P CPCI Card Dual 1000sx Switch 700-0113-003

ADIC TH8XL-ES DLT8000 TAPE DRIVE Quantum DLT8000 w/tray

TANBAC VME SBC card TB3240 68040 CPU MC68EC040RC33

Nortel Callpilot PCI NTRH40AA-08 NNTMG100408T MPB 96DSP

Bering GPIB HP-IB HPIB 01-09735-01 Sony SMO-D501-06 MFM

Themis USPIIi-1V UltraSPARC IIi VME64 VME SBC Sun Creat

Vintage Hard Disk Drive HP 97500-85620 9153C NIGHTHAWK

Hard Drive ESDI NEC D5655 Disk HH 134-500588-602 *NEW*

HP 64708A 64708-66505 VME Card A-3345-09 68030 analyzer

DEC Intel BRUTUS SA-1100 Design Verification Platform

SBC Slot1 Peak 630D 630-D PICMG Industrial Computer MB

AMPRO Little Board/286 SBC A60220 rev D1 w SCSI tiny

SBS GE Fanuc CompactPCI CPCI CPU Card CT8 Pentium III

Motorola MCPN765 CPCI CompactPCI SBC 01-W3569F-13C

Husky 648522 Control Card Module HPM 686114

Motorola CPCI CompactPCI JTAG CPLD Tsi320 01-W3850F-01A

Epson DFX-9000 Impact Dot Matrix Printer DFX9000

Pentium SBC Industrial PICMG Rocky-P248V-3.0 Slot1

Micro Memory MM-6490R/1G Dual-Port VME VME64 RACEway

VME card MERCURY MCV6 RACE QUAD I860-XR 40MHZ CPU 8M

OCULUS TCi XR-M130-1180A ACQUISITION BOARD

VME-MMCPU Vintage 68000 CPU Card 450-01172-01 Rev A

Qbus DEC VAX emulex UC0710401-04 RevJ Dual Port SCSI

LOT 80 pcs IBM RAM Memory 1GB PC2-3200 ECC DDR2 38L5093

Ariel DSP-56 Motorola DSP560001 SCSI DSPnet 8bit ISA

SBC Slot1 Peak 630B 630-B PICMG Industrial Computer MB

NORTEL GSM-UMTS NTRY54AA PPC Processor Blade 600-107-8

VME MERCURY MCV6 RACE QUAD I860-XR 40MHZ CPU 4M

Blue Wave CPCI C6402-02 C6400 Comstruct DSP TMS320

Tape Drive SCSI Mammoth-2 M2 HVD 220/4X0 1005941-000

IXIA MCi 850-0002-0A Trigger Synch ISA Netwok Card

BSI SBS Telemetry Data Acquisition 4411C PCDECOMMUTATOR

SBC Slot1 Peak 630C 630-C PICMG Industrial Computer MB

Dome Imaging 55-MD5PCX2-51 MD5/PCX Display Controller

Leitch 743-190 Dpsreality Board DPS 743-191 PCI Card

Hunter Industrial Pentium Motherboard FU-PNTHI-256A/F​/4

Motorola VME Card MVME131 SBC 68020 CPu M68KVMMB-851

Qbus DEC VAX PDP CMD CQD-423/TM BOYB2L 1997

Cylink SWIFT SecureX25L Encryptor *BRAND NEW*

IBM Type 5494 All Remote Control Unit AS/400 Twinax

IBM Type 5494-B3083 Remote Control Unit AS/400 Twinax

Overland Tape Software TC-PC TX-8 TC-50M IBM XT/AT 1987

Wordstar 4 Professional 5.25 inch DOS COMPLETE PACKAGE

MOTOROLA VME Card MVME197DP 01-W3815B MVME197 88410 197

Motherboard Sun Blade UltraSparc IIIi 210/240 375-3107

SBC Peak 510S 510 PICMG Peak510S Industrial Socket5

Corelis PC-1149.1/100F controller JTAG Emilator ISA A2

Macintosh Performa 5400 6400 Motherboard 820-0828-A G3

Wicat 150WS 1982 Z80 MultiBUS Memory Card TMS4164 TMM

Peak 610 Pentium Pro SBC PICMG 440FX KJ0216012G 7P610

Pentium Pro SBC PICMG IBUS I-Bus 105-00526-00 Thresher

Fastest VLB Motherboard PCI Pentium PCI54PV Socket5 1.2

HP 13398A CE Alignment Pack 7920 Disc Drive CDC PE Disk

Toshiba T5100 Vintage 386 Laptop PA8040U

IBM PS/1 Type 2121-P82 Rare 386sx Vintage Computer

Sun Storedge L280 Tape Library 380-0079-01 3703423-01

27256 256 256K EPROM Large Quantity BULK LOT 1000 pcs

Marantz CDR510 Professional CD Player/Recorder CDR-510

Tandberg Overland Data SCSI Library SLR100 1108 006295

CISCO CSS5-SCM-2GE **NEW** 11500 Switch Control Module

CISCO CSS5-IOM-8FE **NEW** 11500 Fast Ethernet Module

EICON Diva Server PRI-Digital 800-681-02 PCI Card

Algorithmics P5064 Evaluation Platform RM5270 RM7000

HP ULTRIUM 215 LTO-1 SCSI LVD Tape Drive C7377-60040-ZN

HP Compaq AP400 System Board 317706-001 LOADED DUAL CPU

HP 9000 HP9000 E45 CPU Board A2576-60001 A2051-66531

A1027-66510 System Board Motherboard HP 822S 69510

Motherboard Pentium TYAN Tomcat S1563 Socket7 Dual

Pentium Motherboard Slot1 ASUS P2B-D2 v1.02 Dual SCSI

HP Compaq System Board 011653-001 Proliant ML370 G3

Advantech CompactPCI CPCI CPU Card MIC-3365 MIC-3365F

SBC Advantech PCA-6180-A1 PICMG P3-600 1906618002

TriEMS 6221 CPCI CompactPCI 206221 RevB Antara.NET SBC

Motorola CPN5360 CPCI CompactPCI SBC 01-W3632F-16A 500M

FORCE SPARC CPU-5V/64-110-2 /16 VME MAINFRAME CARD

Motherboard Pentium TYAN Tomcat S1562-PCB-04 S1562S

Motherboard Pentium TYAN Tomcat S1563-PCB-01 3.02

Hard Drive ESDI Micropolis 1568 ES0003-01-1D Disk FH

Sony Optical Drive SMO-E301 MO Disk Drive 1993

Hard Drive SCSI Micropolis 1588-15MBSUN066​9 370-1326-04

Hard Drive SCSI Epson HMD-946-504-01 HMD946

MFM Hard Drive Miniscribe 8425 Vintage 3.5

Data Translation DT2871 color frame grabber board ISA

Motherboard Dual Pentium Pro Intel PR440FX 673289-508

Cleo Software 212 201 Phone 1 Inc CCITT 8bit ISA Modem

ETI-2.1 EISA Comm Card V2.3 TAXI-275 AM79169 Eliza LAN

Optical Disk Drive LF-7090 WORM Panasonic Matsushita

CWS Data Acquisition 03-907879-01 Rev1 Vintage ISa Card

LSI Logic MiniRISC BDMR400x Evaluation Board MR400x rB

Motherboard Dual Pentium Pro FIC PN-6210 Nii1.01 440FX

JUMPtec 18001-0008-26-1 ETX-P1-EG Module with 32MB RAM

Pelco CM9700-SER SERCOM-8 Card 8-port ISA PCB9759003-F

AP5200IF Pentium SBC Corsair Flash CM2258FX PICMG PC104

Trenton PICMG SBC Slot1 20-005601-04 440LX Teknor H-04

Hard Drive C.Itoh YE Data YD-3540 MFM Vintage Disk HDD

Teknor T942-333_1-00 P5 PICMG Slot1 SBC 92-005600-0X

09L5143 34L2729 21H8979 13N4734 34L7935 RS/6000 4 Cards

HP 9000 A1703-60031 A2516-60001 Series 800 900 756MB

N5120 Quad Port Comms Controller 40449-002 RS-422 RS422

IBM RS6000 7025-F50 Planar 07L6594 73H1925 93H4228

Motorola Micromodule 6809 Vintage 1979 M6800 M68MM01A

Motorola CPV5350 CPCI CompactPCI SBC 01-W3573F-02E

FLEXDS PCI Card RevB by DSP Research PLX PCI9052

MOTOROLA 01-W3885B SERIES 900 CPU I/O MODEM VME card

APS Olympus Magneto Optical Disk Drive MOS330E 3.5 inch

Tape Drive SCSI Sankyo CP-320SE 100047-021 26 tracks

Teknor T946 PICMG SBC T946/433_0_0000 900-164-00

97549 97549T 97549TK SCSI Hard Disk Core Bauart 1GB FH

Excelan EXOS 202 VME Ethernet Network Card 9900008-05

Artisoft Peer-Hub IBM PC/XT ISA Card Ethernet Vintage

Texas Instruments Activator 2 SCSI FPGA PAL Programmer

Motherboard Pentium ZEOS 100-0056-03 010-0066-01 639267

4522104 452210495137 WDM9 VCIS Siemens 186XL20 VME

SBC Motherboard PIA-650DV Pentium Small Tiny Flat Panel

Arnet DigiBoard PortsPlus Dual Port Serial ISA Card

IOtech DaqBoard 200 RevB 2954000 16-bit ISA Card AD676

CompuAdd HC ESDI ISA Hard Disk Drive Controller Card

Motorola MCF5307 5307 Test Bench Development Platform

Motherboard Pentium Dual 370 Tyan S2505D AGPX4-PCI RevB

Motherboard System Board Planar IBM 75H9133 PORKY V5.1

Motorola CPN5360 CPCI CompactPCI SBC 01-W3541F-10B 333M

ISA Video Card BW-VGA-90 ISA-65545 Casio Sharp LCD

ISA Video Card BW-VGA-90 ISA-65530 Prism Sharp Mono LCD

ISA Video Card BW-VGA-90 T2-ISA-65545 Prism Mono LCD

ISA Video Card BW-VGA-90 ISA-65545 Casio MD805TT00 LCD

Motherboard Pentium Dual Socket7 ASUS PCI/I-P54NP4D 1.5

GigaLabs GigaPipe GS1-GPF-1 CPU Board Fiber 820-1059-00

Tandberg SLR60 SLR SCSI Tape Drive Nortel NTRH9095

EST SBC8260 VME Card SBC XPC8260 8260 200

Digitech ISA Card 720-00538 720-00536 720-00558 730

IBM 570 RS6000 11H4880 43G2200 90X8624 Complete Tray

Pentium Motherboard Slot1 Dual Tyan S1837 Pentium II

Oki MICROLINE 491 491N Dot Matrix Printer okilan 6120i

HP 64700A 64700-66515 VME Card A-3405-09 68040 analyzer

Marvell Galileo Test Platform Evaluation Kit SLM-374-V2

PICMG Backplane ICS 15013-02 REV.C PCI ISA DC1040F

Motorola MCPN750A CPCI CompactPCI SBC 01-W3611F-12A

Motorola MCPN750A CPCI CompactPCI SBC 01-W3657F-04A

Pentium Motherboard Slot1 Super Micro P6SKE II Rev.2

Hard Drive IBM Fujitsu M2952SYU 50pin SCSI CA01407-B313

SBC Texas Micro 25527 RevG Dual Slot1 PICMG

XRATEX GbEPA2 NGC-1507401 Gb-EN-PA-SX

BDMR4010-PC/SUN Evaluation Board LSI MiniRISC CW4010

Motherboard Dual Pentium Pro Intel PR440FX 657173-504 2

Centigram 2410-0226-17 5336 Rev2 8-Port 8port Linecard

Centigram 2410-0226-07 5343 Rev2 8-Port 8port Linecard

MFM Hard Disk Drive Vertex V170 Vintage Full Height

VME Card LSI Loughborough DBV42 MDC40SV4 TIMS C40 DSP

DEC Vax MicroVax 3100 KA41-D MV3100/20E Dataram 40968

Motherboard Pentium Dual 370 EliteGroup D6VAA rev:1.1

SCSI Hard Disk 50-pin Fujitsu M2614SA Rev C6

Hard Drive SCSI Maxtor XT-4380S 380MB FH 50-pin Disk

Newport/Klinger 12-bit DC Motor Controller Card ISA

TEAC SCSI Floppy Drive FD-235HS 19308111-21 0950-9074

Optical Disk Drive LF-7390A WORM Panasonic Matsushita

Imagraph Imascan PCI 750121 750137 Precision Mono RGB

Grass Valley Power Supply PS400C PSE2-11/230-C-0​27

Sony Optical Drive SMO-E501 MO Disk Drive Full Height

NEC V850 IE-V850EQ1-PCI-​IF IE-70000-PCI-IF​-A Avalon

DEC PCXAG-AL 4MB Video PCI Card 5023517-01 S3 Vision864

Motherboard Pentium Slot1 Intel 721242-007 Fujifilm RIP

Rabbit Software Corp RB15 Rev9 Remote 16-bit ISA Card

Intellicon NT960 NTHOST512 65815 RevB 16 Port RS-232

SBC Motherboard Advantech PCM 5860 Pentium Small Tiny

Performance Technologies SBUS Card Quad Port 120P020250

Pentium-Pro Motherboard Achme MS6101 VER-0C MS-6101 P6

SCSI DAT Tape Drive Archive 4520 DDS1 DAT1 25361-006 2G

Reltek X.CALIBRE/316A XCAL40 ISA Card MC68302 302bug

Motorola Micromodule 6809 1979 M6800 MEX6808-228 RAMII

Motherboard Pentium Dual 370 Tyan S2505D AGPX4-PCI RevA

MFM Hard Drive Seagate ST-124 ST124 Vintage 3.5 A1

Gage Compugen 1100 V2.1 ISA Waveform Generator Card 4m

SCSI Tape Drive Onstream ADR2 120Si 120GB LVD/SE

Archive 2150S QIC 150MB SCSI Tape Drive 22900-032 RevB

Pelco CM9700-SER SERCOM-8 Card 8-port ISA PCB9759003-B

Wangtek 5150EQ QIC SCSI Tape Drive 33632-208 5150 EQ

Pinnacle 183313 Rev A3 Digital Tomato Mango Video Card

Pinnacle 183313 Rev A2 Digital Tomato Mango Video Card

Bancomm CMOS Timecode Reader PN11093F 11093F ISA Card

GA-586ATV Motherboard Rev 4B 4 ISA BabyAT Socket7 430VX

Fiery Server ZX-2100 Alpha 21164-533 Motherboard EFI

Qbus DEC VAX M7624-AL CPU KA640 Mayfair II

Motherboard Dual Pentium Pro Intel PR440FX 657173-504

Iomega Bernoulli 230 Internal SCSI Drive Beta 230A

White Mountain EVM UEVM TMS320LC548 DSP Debug TMS320

Loughborough Sound Images TMS320C5x DSP Card PCC5xV6

IBM PC/XT Willow Peripherals VGA-TV 8-bit ISA RCA SVGA

Quantum ProDrive 1800S SCSI Hard Drive 50-pin

Tape Drive SCSI Archive 2150eS 2150S 2150 81292-001

Tape Drive SCSI Archive 2150eS 2150S 2150 81259-776

HP 9000 HP9000 E45 E35 I/O Board APMUX16 A1703-60022

Technoware TV-GN Motherboard ATM TV-DR TV-CS1 TV-HD

Motherboard Pentium ZIDA 5DXP v1.0 430FX

Pentium Motherboard Socket5 Gigabyte GA-586AP v.1b P75

IBM PC/AT 5170 Motherboard 256/512K 286 6133919

Hard Drive SCSI HP 0950-2168 A1094-60012 C2235 50-pin

MultiLink Advanced Vintage Software IBM PC/XT/AT

Gateway G/Ethertwist AT-Hub Adapter ISA Card 82200215

Number Nine ISA Video Card #9GXE JF9-GXE SVGA S3 928

Hard Drive SCSI Fujitsu M2637SA 2.5″ 240MB CA01154-AB01

SeaLevel COMM+8 3420 Rev.B ISA Card 16450 RS-232

Voysys Analog NT Interface 3000922-1 Nortel Star Talk

DFP HDMI PCI Video Card GH110 JCI-S1S J390343-01

IBM 8-inch Floppy Disk Drive 3274 4240517 4240620

Valitek PST250F Tape Drive Parallel Serial 2150L SCSI

Tandy CoCo – DISTO Super Controller II Rare Vintage

Pentium Motherboard Slot1 Soltek SL-67EV1 AGP PCI ISA

PLC模块,可编程控制器,CPU模块,IO模块,AI模块,通讯模块。AB/施耐德/ABB/GE/本特利/西屋/英维斯/霍尼韦尔/黑马/FU克斯波罗

15天包退换 一年质保 大量现货  国内实力库存商家


选择深圳长欣,选择放心,售后无忧大量现货,当天顺丰发货!
主营:本特利,英维思,伍德沃德,福克斯波罗、西屋、瑞恩、施耐德莫迪康、ABB、AB、西门子、摩托罗拉、GE发那科、安川、博世力士乐,ACSO,力士乐等各大品牌的DCS系统配件,机器人系统配件,大型伺服系统备件。

先介绍几点经验。
1、先通读一遍“系统手册”(不管能不能看懂,先了解个大概,以便学习编程时查找);
2、由位控逻辑入手,逐渐增加定时、计数等条件,把或、与、非关系理顺;
3、进而练习整数运算、实数运算、类型转换;
4、量程转换、PID调节回路的建立及P、I、D参数的理解(最好是有个物理回路验证,比如变频器+电机+测速传感器);
5、循环、顺序、跳转等程序控制(尽量避免跳转,非跳不可时也是跳的越近越好);
6、中断、通讯、位置控制....

本人以ABB工业机器人配件DSQC系列和Motorola MVME系列,GE 卡件 模块 驱动器系列为主攻。各位电工朋友可根据自己的条件选择适合自己的PLC品牌,由于PLC的基本框架大同小异,学会一种至于其它的学习起来也就简单了。