多电机伺服控制广泛应用于各种电力传动自动控制系统中,如配料、传动等生产过程。伺服系统中电机控制性能和多电机间协调控制的好坏直接影响生产过程的质量,如何**管理、方便应用、实时控制是多电机伺服系统生产领域亟待解决的首要问题。因此,本文提出一种基于CAN总线技术的多轴运动控制数字交流伺服系统。
现场总线技术解决了传统总线插板I/O模块多,干扰严重、系统软件编写复杂、系统硬件兼容性差等问题。大大减轻了现场信号连接的繁琐与费用,提高了信号传输的精度与灵活性,给安装、调试和维护带来诸多方便,为现场用户带来巨大的经济效益,代表着自动化领域发展的一个重要方向.
CAN总线技术
随着工业现场控制和自动化技术的不断进步,传统的通信模式已不能满足现代工程需要。CAN(Controller Area Network)总线是80年代初德国Bosch公司为解决现代汽车中众多控制与测试仪器间数据交换而开发的一种串行数据通信协议,是一种性能先进、价格低廉、保密性好的现场总线(Field Bus)技术,能够**支持分布式控制或实时控制串行通信网络[2>。CAN总线中各节点都有权利向其它节点发送信息。通信介质可以是双绞线、同轴电缆或光纤,主要技术特点有:
1,是一种多主总线
网络上任一个节点均可在任意时刻主动向网络上其它节点发送信息,多主站依据优先机制进行总线访问;
2,非破坏性基于优先权总线仲裁技术
采用非破坏性基于优先权总线仲裁技术结构,大大节省总线冲突仲裁时间,在重负荷下表现出良好性能;
3,具有多种传送数据功能
具有点对点,一点对多点(成组)及全局广播传送数据功能;
4,节点数目多
直接通讯距离最远可达10km(传输速率为5kbps),**通讯速率可达1Mbps(传输距离为40m);
5,可靠性高
数据链路层采用短帧结构,实时性高,纠错***,每帧信息都有CRC校验及其它校验措施,数据出错率低,可靠性高;
6,故障自动判别
发送期间若丢失仲裁或因出错而遭破坏的帧可自动重发,暂时错误和**性故障节点判别及故障节点自动脱离CAN总线。
CAN总线系统由CAN网络节点、转发器节点和上位机构成。总线技术遵循现场总线协议,将分布在不同位置,用途各异的测量仪表、控制设备互联成网,并可接入Intranet和Internet网络。现场总线技术的关键标志是它能支持双向多变量、总线式全数字通讯。传统4~20mA模拟直流回路只能在一根两芯电缆中单向传输一个参数,随着系统结构的日益复杂和信息量的增加,4~20mA电流环传输成为制约信息传输的瓶颈,所以现场总线替代4~20mA模拟信号标准已成为控制系统发展的必然趋势。
基于CAN总线技术的多机伺服系统
CAN总线控制网络结构
基于CAN总线技术的多电机伺服控制系统网络结构如图1所示,系统由上位机、CAN总线、现场伺服单元节点组成。数控系统上位机通过CAN总线控制网络节点任一伺服单元,数字伺服与数控系统之间数据传输可分为实时性数据信息和非实时性数据信息两类。实时性数据指参与控制器实时位置、速度、转矩等控制指令和反馈信息,传输速度要求较高。非实时性数据主要是指控制器参数设置、功能设定、诊断功能、伺服状态与报警等信息,传输速度相对较低。
CAN接口适配器是上位机与伺服单元数据传输和控制的桥梁,伺服单元采集现场的数据通过总线传给上位机,实现实时监视和控制。
*全新原装正品,现货直供!所有备件的质保期均为1年,经过专业测试认证。订购咨询热线:18105962758
*如果您需要订购产品超过1件,请与我们联系,我们可以为您提供折扣。
*我们仅采用快递方式递送备件。(顺丰)
*如果您发现其他供货商为相同产品提供更为低廉的价格,我们也愿意参照其价格向您提供进一步的折扣。如果还有其他任何问题,请随时与我们联系。
*请让我们知道您有任何,备品,备件的需要,我们可以给您进一步的援助,我们等候您的咨询。
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***************漳州鼎晟达自动化设备有限公司***************
联系人:林朝艺(销售经理)
手机 :18105962758
QQ :2880842795
邮箱 :2880842795@qq.com
传真 :0596-3119658(请备注林工收)
【主营产品】
1:Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数据通信及处理等。
2:Invensys Triconex: 冗余容错控制系统、基于三重模件冗余(TMR)结构的最现代化的容错控制器。
3:Westinghouse(西屋): OVATION系统、WDPF系统、WEStation系统备件。
4:Rockwell Allen-Bradley: Reliance瑞恩、SLC500/1747/1746、MicroLogix/1761/1763/1762/1766/1764、
CompactLogix/1769/1768、Logix5000/1756/1789/1794/1760/1788、PLC-5/1771/1785等。
5:Schneider Modicon(施耐德莫迪康):Quantum 140系列处理器、控制卡、电源模块等。
6:ABB:工业机器人备件DSQC系列、Bailey INFI 90等。
7:Siemens(西门子):Siemens MOORE, Siemens Simatic C1,Siemens数控系统等。
8:Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
9:XYCOM:I/O 、VME板和处理器等。
10:GE FANUC(GE发那科):模块、卡件、驱动器等各类备件。
11:Yaskawa(安川):伺服控制器、伺服马达、伺服驱动器。
12:Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
13:Woodward(伍德沃德):SPC阀位控制器、PEAK150数字控制器。
14:工业机器人系统备件。
15: 英维斯(TRICONEX):TRICON DCS的系列,如:3805E
另外还有 雅马哈(YAMAHA), 贝加莱(B&R), 欧姆龙(OMRON), KEBA, 安川(YASKAWA) 等品牌的停产备件。
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NOVELLUS 02-257829-00 REV.B Assy,PC3A Platform Controller with Arcnet
ASEA BROWN BOVERI 07KT98-ARCNET USPP 07KT98ARCNET
GE DS200ACNAG1ADD Circuit Board Card ARCNET Interface Gas Mark V
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CONTEMPOARY CONTROLS FANUC ARCNET NETWORK INTERFACE CARD PCA66-TPB *NEW*
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COOPER GARDNER DENVER ARCNET BOARD TM-MK TMMK 8017-0001
Tiara LANcard A15-00414-0000 ARCnet 8-bit ISA PC/ XT/AT
SMC 720.143 Arcnet Active Fiber Hub SMA Fiber Power Supply Sold Seperately
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Contemporary Controls EXP-CXS-FOG-ST HUB CARD ARCNET 2 Port Coax 2 Port Fiber
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Panasonic JS750CV Color KVS POS JS ArcNet (JS-750CV) JS770WS JS750WS MK Bump Bar
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Contemporary Controls PCI20-CXB-2.25 PCI Arcnet W/COAX Connector CXB
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SMC 720.109 ARCNET Active Hub w/power supply & Warranty
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Contemporary Controls 02-797-712 ISA ARCNET Coax Connector & Warranty
Contemporary Controls PCA66-CXB ISA ARCNET Coax Connector & Warranty
Contemporary Controls SB970135-00B Arcnet RJ45 & 3 Pos Screw Terminal 20020 PCI
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Tews DatenTechnik Arcnet Transition Module TIP815-TM-10
Contemporary Controls E227809 20022 Universal PCI Coax Bus NIM Arcnet
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Trane BRD1014 BASD Arcnet PS310
CONTEMPORARY CONTROLS ARCNET INTERCONNECT SERIES AC COUPLED EIA-485 HUB AI3-485X
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CONTEMPORARY CONTROLS PCA66-CXS ISA COAXIAL STAR ARCNET ADAPTER CCSI PCA66
Contemporary Controls PCI20U-CXB 20022 Universal PCI Coax Bus NIM Arcnet-NEW
SMC 720.10904 8 PORT ARCNET ACTIVE HUB RJ45 TYPE I/II NO AC ADAPTER W/WARRANTY
THOMAS CONRAD TC6050-15 ARCNET 16 PORT TWISTED PAIR ACTIVE HUB WITH WARRANTY
Contemporary Controls IHX-CXS Arcnet Card For Trane Tracer Summit IHXCXS
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SMC PC110 ARCNET ISA ADAPTER 710.051 ASSY NO 710.0 NEW OPEN BOX
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SMC 720.14101 Arcnet Active Hub Twisted Pair 8 Port TP no p/s
Contemporary Controls AI2-CXB Arcnet/BNC BUS Repeater AI Series AI2CXB
GENERAL ELECTRIC 36B605594AEG21 ARCNET I/F CARD MOUNTING
HYC9088S-SK ARCNET twisted pair and coaxial compatible high impedance transceiv
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GENERAL ELECTRIC 36B605594AEG21 ARCNET I/F CARD MOUNTING
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Ziatech ZT 89CT90 ZT89CT90 CPU Board Rev A.2 Arcnet
AQUILA AQ-ARC-16 ARCNET ISA CONTROLLER WITH WARRANTY
MICROSYSTEMS 710.13201 ARCNET-PC 8BIT ISA STANDARD **We Ship Fast!**
SMC 393-1092-TOOE20 Arcnet Hub Power Supply 4 pin output
SMC 720.14101 TP HUB-03 8 PORT TP ARCNET ACTIVE HUB NO AC ADAPTER WITH WARRANTY
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Arcnet 190SBT ISA network card Rev B jumpers - vintage hardware
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Panasonic JS 800KV KVS Controller POS Mono KVS JS-800KV JS750WS JS510WS Arcnet
Arcnet Hub 16 Port Active Thomas Conrad Smart Hub TC-6150-11 BNC Coax
MOTOROLA VME Card Systech HPS-6245 Arcnet Host Adapter
PureData PDI516 ARCnet Card 16-bit ISA
Panasonic Arcnet Hub POS JS500WS JS510WS JS750WS AN-808 JS800KV JS750CV Active
CORnet ARCnet 8-bit ISA card V1.5 IBM PC/XT/AT with BIOS
Pure Data PDIC508 MCA IBM MicroChannel ARCnet Card Coax
Siemens 0038-H-000100 S5-Arcnet Module
CONTEMPORARY CONTROLS ARCNET NETWORK INTERFACE CARD PCX20-485
ARCNET 92-7351-02 P82C570 8-bit ISA PC/ XT/AT w BootROM card
PDI507 Pure Data ARCnet 8-bit ISA Twisted Pair Coax
AS-700151-001 ISA 16 BIT ARCNET ADAPTER WITH WARRANTY
SkiData Arcnet fiber optic converter sd544
AQUILA COMMUNICATIONS AQ-PCA108 ISA ARCNET ADATPER 99-00117-1700 WITH WARRANTY
New Contemporary Controls PCA66-FOG-SMA ISA Arcnet SMA Fiber Optic Connections
Contemporary Controls EXP-FOG-ST Module ARCnet ST Fiber for MOD HUB
Contemporary Controls PC872600-00E ISA Arcnet (Coax Connector)
Contemporary Controls PCX20 ISA Arcnet (Coax Connector)
Contemporary Controls SB471160-10B Module ARCnet ST Fiber for MOD HUB
NETWORK INNOVATIONS PCARC ARCNET ISA ADAPTER 580-0001 WITH WARRANTY
ARCNET 120ST/SBT ISA ARCNET ADAPTER WITH WARRANTY
SMC PC130 750.111 Arcnet ISA Coax Adapter with Warranty
Noritsu PCB BOARD for QSS 3001/ 3011 Series RA Minilab ARCNET Curcuit Board
NEW CONTEMPORARY CONTROLS 02-797-712 ADAPTER ISA ARCNET CARD CCSI-PCA66
TELETROL INTEGRATOR HVAC AC CONTROLLER TNR NETWORK ROUTER ARCNET QP-5481-00
PUREDATA PDC508A-T ARCNET HUB 8 PORT TP 0900012700 NO AC ADAPTER WITH WARRANTY
PUREDATA PDC508A-T ARCNET ACTIVE HUB 8 PORT TP 0900012502 WITH WARRANTY
PUREDATA PDC508A ARCNET ACTIVE HUB 8 PORT COAX 0900012600 NO AC ADAPTER
PUREDATA PDC508 ARCNET HUB 8 PORT COAX 090000580300 PDC508A NO AC ADAPTER
Ziatech ZT 89CT90 PC Board, Rev A.2 ARCNET
SMC PC650FS ARCNET ISA ADAPTER 750.20402 ASSY NO. 720.20402 NEW OPEN BOX
SMC PC550WS ARCNET ISA ADAPTER ASSY NO. 710.14803 DRILL NO. 700.148 WITH WARRANT
SMC PC550WS ARCNET ISA ADAPTER ASSY NO 710.07703 DRILL NO 700.077 WITH WARRANTY
SMC PC550FS ARCNET ISA ADAPTER ASSY NO. 710.07702 DRILL NO. 700.077 WITH WARRANT
SMC PC500FS ISA ARCNET ADATPER ASSY NO. 710-077 DRILL NO. 700.077 WITH WARRANTY
SMC PC270E ISA ARCNET ADAPTER ASSY NO. 710.13201 DRILL NO. 700.132 WITH WARRANTY
SMC PC260 ARCNET ISA ADAPTER ASSY NO. 710.100 DRILL NO 700.076 WITH WARRANTY
SMC PC110 ARCNET ISA ADAPTER 710.051 ASSY NO 710.0 WITH WARRANTY
TIARA 15-00414-0000 LANCARD/A ARCNET ISA ADAPTER WITH WARRANTY
TIARA 15-00010 LANCARD/A ARCNET ISA ADAPTER WITH WARRANTY
SMC PS110 ARCNET MCA ADAPTER ASSY NO 710.078 DRILL NO 700.078A WITH WARRANTY
NOVELL 738-114-001 ARCNET ISA ADAPTER ASSY 810-114-001 WITH WARRANTY
CONTEMPORARY CONTROLS PCX20-CXB ARCNET ISA ADAPTER 872630-00C WITH WARRANTY
ACTIVE HUB AN-808T 8-PORT - ARCNET
资讯来源:漳州鼎晟达自动化设备有限公司
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