MOVIFIT变频器应用与调试

1、Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 12022-5-13MOVIFITField-Integrated TechnologyMOVIFIT 现场分散驱动技术Innovative, decentralized drive systems新一代的现场分散控制产品Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 22022-5-13Agenda议程MOV

2、IFIT Modular function concept 模块化功能设计 Housing technology 封装技术 Functions 功能Applications应用 Applications 应用 Advantages 优势 Additional information 其他信息 Powerful partner 强大的合作伙伴 Our credo 我们的理念 Market requirements市场需求SEW-EURODRIVEDriving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin

3、 Wagner 3SEW-EURODRIVE Powerful partner with global presenceSince nearly 80 yearsRepresentations in46 countries67 assembly plants12 production plantsOver 13,000employeesNearly 2 billion turnover 2008/20092022-5-13SEW-EURODRIVE国际化集团Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr /

4、 Martin Wagner 4High level of product and service quality 高水准的产品和服务质量Continuity and reliability 连续性和可靠性Consequent customer orientation 以客户为导向Long-term oriented business policy 长期合作及服务为导向的经营策略Progressive and innovative product philosophy 与时俱进，不断创新的产品理念Excellent consultation and project planning exper

5、tise专业的项目咨询和规划Manufacturer of innovative drive technology for the world market服务于全球市场的创新驱动技术制造商SEW-EURODRIVE CredoSEW-EURODRIVE理念2022-5-13Comprehensiveproduct portfolioGlobal serviceinfrastructureInnovativetechnological leaderMarket leader in drive technologyWorldwidecustomer proximityDriving the wo

6、rldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 5 Building materials Wood Cement 建材行业 木材 水泥 Logistics/transport Airports Consumer goods Transport 物流/输送 机场物流 货物运输 传送带Examples 应用行业Fields of applicationMOVIFIT concept target markets应用领域2022-5-13 Automobile Body frame Final assembl

7、y 汽车制造业 车身线 总装线 Food industry Beverages Pastries Meat, poultry 食品行业 饮料 糕点 肉类MOVIFIT drives are used in all industries.基本可适用于全行业Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 6 Increased productivity 提高生产效率 Increased system flexibility 增加了系统的灵活性Reduced investment

8、costs 降低投资成本Reduced maintenance and energy costs 降低了维护和能源成本Requirementson MOVIFIT MOVIFIT Market requirements 市场需求2022-5-13Intelligent decentralized technology reduces planning and operating costs.灵活的分散技术降低了项目设计和运营成本Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner

9、7 Functionality 功能Inverter, motor starter, controller 变频，软起，通讯网关 Function level 功能等级Classic, Technology 标准版/应用版 Fieldbus interfaces 标配现场总线接口 Housing technology 封装防护Standard, hybrid ABOX 标准版/插接头 Options and accessories 其他选件MOVIFIT Functional features功能特性MOVIFIT Modular function concept模块化概念2022-5-13M

10、OVIFIT is the result of many yearsof experience in decentralized technology.这款产品是SEW多年现场分散驱动技术的产物Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 82022-5-13MOVIFITModular function concept模块化概念MOVIFIT-FCInverter, parameterizable变频器型MOVIFIT-SCMotor starter, reversing

11、 or DUO starter电机软启动器单台双向或两台单向MOVIFIT-MCController for max.3 MOVIMOTDrives通讯网关可连接3台MovimotMOVIFIT combines the advantages of decentralized installation technology with modern drive functions. MOVIFIT产品集成了当今现场分散驱动的优势特点Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner

12、 9 Parameterizable inverter up to 4 KW, 2 sizes 变频器型，功率最大至4KW，分2个规格 Status/diagnostic LEDs 状态显示/诊断LED Fieldbus interface 现场总线接口 Digital I/Os 开关量输入输出 Energy distribution 动力分配 Optional maintenance switch 可选维修开关 Brake control for SEW or non-SEW brake 集成制动器控制（对SEW制动器或非SEW均可） Optional internal or externa

13、l braking resistor 可选内置制动电阻或外置制动电阻 Integrated functional safety 集成安全停止功能 Simple startup (EASY) 简易调试（EASY模式） Advanced parameters (EXPERT) 高级参数设定（EXPERT模式）Product features of MOVIFIT-FC FC系列产品特性MOVIFIT-FC inverter 变频器2022-5-13MOVIFIT-FC is the optimum solution for simple positioning tasks. FC产品是简单定位应用

14、的最优选择Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 10 Electronic motor starter 电机电子启动器 Reversing starter up to 3 kW 单电机可至3KW DUO starter up to 2 x 1.5 kW 双电机可2 x 1.5 kW Status/diagnostic LEDs 状态/诊断 LED Fieldbus interfaceDigital I/Os 现场总线接口/开关量输入输出 Energy distrib

15、ution 动力分配 Optional maintenance switch 可选维修开关 Brake control for SEW and non-SEW brake 集成制动器控制（对SEW制动器或非SEW均可） Simple startup (EASY) 简易调试（EASY模式） Advanced parameters (EXPERT) 高级参数设定（EXPERT模式）Product features of MOVIFIT-SC SC系列产品特性MOVIFIT-SC motor starter 软启动器2022-5-13MOVIFIT-SC is the optimum solutio

16、n for simple conveyor tasks.SC产品是简单的输送带应用的最优选择Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 11 For controlling up to 3 MOVIMOT 可连接3台Movimot Status/diagnostic LEDs 状态/诊断LED Fieldbus interface 现场总线接口 Digital I/Os 开关量输入输出 Energy distribution 动力分配 Maintenance switch

17、 with line protection 可选带进线保护的维修开关 Integrated functional safety 集成安全停止功能Product features of MOVIFIT-MC MC系列产品特性MOVIFIT-MC controller 控制器2022-5-13MOVIFIT-MC is the optimum solution for controlling several drives.MC产品是控制多台驱动的最优选择Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Mar

18、tin Wagner 12 Solid aluminum die cast housing 铸铝外壳 Separation of electronics and connection unit 可分离的电子元件单元和连接单元 EBOX: Encapsulated electronics unit电子单元 ABOX: Connection unit 连接单元 Closing mechanism with only one screw 仅一颗螺丝安装上下两单元 Quick installation / electronics can be replaced quickly 快速安装/快速更换电子单

19、元 LED indicator for unit state and I/Os 状态显示/输入输出显示 LED ABOX types with different connection technology 连接单元有各种连接形式可选 Degree of protection IP65 to IP69K 默认防护等级为IP65，最高可选IP69KMOVIFIT housing 封装外壳MOVIFIThousing technology 封装技术2022-5-13MOVIFIT housing technology Flexible concept for high demands 灵活形式满足

20、高要求Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 13型号描述：型号描述：EBOXDriving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 14Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 15型号描述：型号描述：ABOXDriving the

21、 worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 16Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 17Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 18 Motor / drive:Terminals 400 V (in/out):Terminals 24

22、V (in/out):Terminals I/Os:Terminals I/Os, option: Terminals Diagnostics:RJ10, internal Bus DeviceNet: Terminals PROFIBUS: Terminals Ethernet:RJ45, internalStandard ABOX MTA11A-503-S0.-.-00 connectionsStandard ABOXwith terminals and cable openings带有端子和线缆接口的标准ABOX2022-5-13Standard ABOX is an inexpensi

23、ve solution标准的ABOX是一个经济的方案Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 19 Motor / drive:Terminals 400 V (in/out):Terminals 24 V (in/out):Terminals I/Os:8 x M12, 2 I/Os each I/Os, option: Terminals Diagnostics:RJ10, internal Bus DeviceNet: PROFIBUS: Terminals Et

24、hernet:RJ45, internalHybrid ABOX MTA11A-503-S4.-.-00 connectionsHybrid ABOX with M12 for I/Os I/O点为M12接口的ABOX2022-5-13Fast connection of sensors and actuators为传感器或执行器提供快插接口Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 20 Motor / drive:Terminals 400 V (in/out):Te

25、rminals 24 V (in/out):Terminals I/Os:8 x M12, 2 I/Os each I/Os, option: Terminals Diagnostics:RJ10, internal Bus DeviceNet: 1 X M12 micro style PROFIBUS: 2 x M12 Ethernet:2 x M12 Hybrid ABOX MTA11A-503-S5.-.-00 connectionsHybrid ABOXwith M12 for I/Os and bus I/O点和总线接口为M12的ABOX5/13/2022Fast connectio

26、n of sensors, actuators, and fieldbus为传感器执行器和现场总线提供快插接口Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 21Hybrid ABOXwith M12 for I/Os and RJ45 for busI/O点为M12接口，总线为RJ45接口的ABOX5/13/2022Fast connection of sensors, actuators, and Ethernet bus 为传感器执行器和以太网提供快插接口 Motor

27、/ drive:Terminals 400 V (in/out):Terminals 24 V (in/out):Terminals I/Os:8 x M12, 2 I/Os each I/Os, option: Terminals Diagnostics:RJ10, internal Bus DeviceNet: PROFIBUS: Ethernet:2 x RJ45 push pull Hybrid ABOX MTA11A-503-S6.-.-00 connectionsDriving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrge

28、n Schwr / Martin Wagner 22 Motor / drive:圆形插播接头 400 V (in/out):Terminals 24 V (in/out):Terminals I/Os:8 x M12, 2 I/Os each I/Os, option: Terminals Diagnostics:RJ10, internal Bus DeviceNet: 1 X M12 micro style PROFIBUS: -2 x M12 Ethernet:-2 x M12 Hybrid ABOX MTA.-I55.-.-00 / MTA.-G55.-.-00 connection

29、sHybrid ABOXI/O点为M12接口，总线为M12接口电机为圆形插头的ABOX5/13/2022为传感器执行器,以太网和电机提供快插接口Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 23 Motor / drive:圆形插播接头 400 V (in/out):Terminals 24 V (in/out):Terminals I/Os:8 x M12, 2 I/Os each I/Os, option: Terminals Diagnostics:RJ10, int

30、ernal Bus DeviceNet: PROFIBUS: - Ethernet:-2 x RJ45 push pull Hybrid ABOX MTA.-I65.-.-00 / MTA.-G65.-.-00 connectionsHybrid ABOXI/O点为M12接口，总线为RJ45接口电机为圆形插头的ABOX5/13/2022为传感器执行器,以太网和电机提供快插接口Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 24 Degree of protection IP6

31、9K 防护等级至IP69K Easy to clean 简易清洁 Self draining system 自导流设计 Anti-stick properties 不粘特性 Meets EN 1672-2 and EN 14159 Compatible with cleaning agents,alkaline, acidic, and disinfectant 耐酸碱化学腐蚀 Highly impact-resistant surface 高强度抗冲击表面 Resistant to temperature fluctuations 可耐变温环境 Condensation 浓缩 Suction

32、 effect 抽真空Product features of HygienicPlus 超洁净版产品特性MOVIFITHygienicPlus version 超洁净版MOVIFIT2022-5-13HygienicPlus optimized for applications in the food and beverage industry超洁净版是食品饮料行业的最优选择Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 25Design details of Hygieni

33、cPlus 超洁净版设计细节MOVIFITHygienicPlus2022-5-13HygienicPlus optimized for applications in the food and beverage industry 食品饮料行业的最佳解决方案Closing mechanism with only one screw 只有一个螺丝的连接方式Hygienic self draining housing design自导流外壳设计PTFE surface treatment: suitable for the food industry 适用于食品行业的聚四氟乙烯处理Double-c

34、hamber design: internal seal protects electronics from humidity双室设计：内部密封保护电子设备免受潮湿Electrical connections at the bottom 底部电气连接Cable glands made of stainless steel不锈钢线缆连接头Electronics in the ABOX ABOX电气连接Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 26 Three functi

35、on levels 二种功能等级 Fieldbus systems 现场总线系统 Digital inputs / outputs 二进制输入/输出 Master/slave 主/从功能 2-motor operation 驱动两台电机 Functional safety 安全功能 Further options and accessories 更多的选件Functionality 功能MOVIFIT functionality 功能2022-5-13MOVIFIT offers many application-specific options. 提供更多的应用和特殊选件Driving th

36、e worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 272022-5-13MOVIFIT Three function levels 两种功能等级Function levelClassic 基本型Function levelTechnology 技术型 Simplefunctions 简单功能 Control as fieldbus gateway 通过现场总线控制 Free programmingaccording to IEC 61131 using MOVI-PLC 使用MOVI-PLC,依据

37、IEC61131标准进行自由编程 MOVITOOLS MotionStudio 软件 Engineering plug-ins 调试插件 Function blocks 功能块 Motion libraries 运动库MOVIFIT is the result of many years of experience in decentralized technology.MOVIFIT是多年现场分散技术应用经验的产物Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 282022

38、-5-13MOVIFIT fieldbus systems 现场总线MOVIFIT speaks the language of industry. 这个产品几乎可适配所有的主流工业通讯Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 292022-5-13MOVIFIT Digital inputs / outputs 二进制输入/输出 MOVIFIT-FC / MOVIFIT-SC PROFIBUS and DeviceNET Function level Classic:

39、 6 DI + 2 DIO Function level Technology or System: 12 DI + 4 DIO PROFINET: All function levels: 12 DI + 4 DIO MOVIFIT-MC:All fieldbuses and function levels: 12 DI + 4 DIOMOVIFIT speaks the language of industry. 这个产品几乎可适配所有的主流工业通讯Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / M

40、artin Wagner 30 Master主机: Standard MTM / MTS / MTF with technology or system function level 技术型或系统型的MTM / MTS / MTF Slave从机: Only MTS / MTF with SBus connection 只有MTS/MTF带有SBus连接 1 to 6 slave(s) possible for only one bus address 一个总线地址可以对应1至6台从机 Local control possible in master 主机可以实现本地控制Product fea

41、tures 产品特性 Master/slave 主/从功能MOVIFITMaster / slave 2022-5-13Master / slave, cost-optimized solution with slave units without fieldbus connection 主/从控制，从机无需现场总线连接，使得成本得以优化降低Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 31 Sequential operation of 2 motors on one M

42、OVIFIT inverter 顺序控制的2台电机由1个MOVIFIT来驱动 Lower installation costs 降低安装成本 Fewer fieldbus nodes required 减少总线节点 Switchover motor connector and brake 可切换电机和制动器 2 separate parameter sets for 2 motors 2套独立的电机参数 Not permitted for hoists 但不允许应用于提升Product features ofMOVIFIT 2-motor operation FC产品的2电机驱动MOVIFIT

43、-FC 2-motor operation2022-5-132-motor operation, inexpensive solution for sequentially operating drives2台电机顺序控制驱动的最优选择 Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 32 Safe stop function due to external disconnection of 24 VStop category 0 or 1 according to EN 6

44、0204-1 orSTO or SS1 according to EN 61800-5-2 Category 3 according to EN 954-1 and performance level d according to EN ISO 13849-12022-5-13MOVIFIT-FC / MCMOVIFITFunctional safety 安全功能MOVIFIT-FC / MC with option S11 Safe stop function due to internal disconnection of 24 VStop category 0 or 1 accordin

45、g to EN 60204-1 orSTO or SS1 according to EN 61800-5-2 Category 3 according to EN 954-1 and performance level d according to EN ISO 13849-1 Safety bus PROFIsafe Safe I/Os (4 FDI, 2 FDO)Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 33 Load disconnector 负载分离 Motor

46、 protection switch 电机保护Maintenance switch types 维修开关MOVIFIT Further options and accessories 其他选件2022-5-13 2 types 100 1800 W (according to CE)External braking resistor 外置制动电阻 NV26 proximity sensor NV26传感器 ES16 incremental encoder ES16增量编码器 El7 incremental encoder EI7 增量编码器Encoder systems 编码器Driving

47、the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 34MOVIFIT Application solutions examples 应用举例2022-5-13MOVIFIT drives are used in all industriesMOVIFIT 它几乎无处不在Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 35Application solutionRoller c

48、onveyor in the beverage industry饮料行业辊道输送应用2022-5-13MOVIFIT-FCMOVIFIT-MCMOVIFIT-SCDriving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 36Application solutionRoller conveyor topology辊道输送机的拓扑结构应用解决方案2022-5-13MOVIFIT-FCMOVIFIT-MCMOVIFIT-SC Greater power 更大的功率 More function

49、s 更多的功能 Local control 本地控制 Group drive is possible可实现成组驱动Saving of: 1 MOVIFIT unit 1个MOVIFIT单元 1 bus interface 1个总线接口 Installation costs 安装成本Saving of: 2 MOVIFIT units 2个MOVIFIT单元 2 bus interfaces 2个总线接口 Installation costs 安装成本MOVIFIT SC and MC reduce investment and installation costs MOVIFIT SC和MC降

50、低了投资和安装成本Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 37Application solutionTurntable in the automobile industry汽车工业转台应用2022-5-13MOVIFIT-FCMOVIFIT-MCMOVIFIT-SCDriving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 38Application solu

51、tionTurntable topology 转台应用的拓扑结构2022-5-13MOVIFIT-FCMOVIFIT-MCMOVIFIT-SC Greater power 更大的功率 More functions 更多的功能 Local control 本地控制 Group drive is possible可实现成组驱动Saving of: 节约 1 MOVIFIT unit 1个MOVIFIT单元 1 bus interface 1个总线接口 Installation costs 安装成本Saving of: 节约 1 MOVIFIT units 1个MOVIFIT单元 2 bus int

52、erfaces 2个总线接口 Installation costs 安装成本MOVIFIT SC and MC reduce investment and installation costs MOVIFIT SC和MC降低了投资和安装成本Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 39More application solutions 更多的解决方案2022-5-13Innovative solutions from one supplier创新的解决方案Chain

53、conveyor链板输送Corner transfer conveyor转角输送Bottle transport瓶输送Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 40Identifying and implementing customer requirements 确定和实现客户的要求2022-5-13 Increase in productivity 提高生产能力 Increased system flexibility 提高系统灵活性 Reduced investm

54、ent costs 降低投资成本 Reduced maintenance and energy costs 减小维护费用及能源成本Overview of the advantages of MOVIFIT systems MOVIFIT系统优势概览Technical and economical optimization of applications 应用过程中，优化了解决方案并降低了成本Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 41 Robust housing t

55、echnology 外壳坚固耐用 High degree of reliability 可靠的高防护等级 Long service life 使用寿命长 Separation of electronics and connection unit 独立的连接单元和电子单元 High system availability 系统可用性较高 Quick unit replacement 快速的单元更换 Industry-oriented solutions 专业的解决方案e.g. HygienicPlus 例如超洁净版Advantagesof MOVIFIT 产品优势Increasedproduct

56、ivity 提高生产效率2022-5-13MOVIFIT Reliable and robust 非常高的可靠性能Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 42 One system with different function levels一个系统具有不同的功能等级 Can be easily adapted to new requirements 可以简单方便的适用于新的需求 Decentralized modular installation topology

57、分散模块安装拓扑结构 System can be easily changed 系统可以简单方便的进行更换 System can be easily expanded 系统可以简单方便的进行扩展 All common fieldbuses are supported 支持所有通用的现场总线 Integrated functional safety 集成安全功能Advantagesof MOVIFIT MOVIFIT产品优势Increasedsystem flexibility 增强的系统灵活性2022-5-13MOVIFIT Flexible and modular 模块化设计理念使产品更加灵

58、活Driving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 43 Scalable system 可扩展的系统 Inverter, motor starter, or controller 变频器、电机启动器或者控制器 Flexible connection technology 灵活的连接技术 Up to 12 DI and 4 DI/O are integratedNo additional I/O modules 无需附加的I/O模块，最多可达12个DI和4个DI/0 Decen

59、tralized modular installation topology 分散模块安装拓扑结构 Less space required in the control cabinet 减小控制柜空间 Reduced wiring effort 减小布线工作量 PLC functionality with MOVI-PLC (option)Saving of local PLC costs 带有MOVI-PLC(选件)功能，减小PLC成本 High degree of protection up to IP 69 KNo additional protective measures 高防护等级

60、可达IP69K,无需额外的防护措施Advantages of MOVIFITMOVIFIT产品的优势Reducedinvestment costs 较少投资成本2022-5-13MOVIFIT Scalable and compactDriving the worldSEW-EURODRIVE GmbH & Co KG / MED / Jrgen Schwr / Martin Wagner 44 Startup in EASY mode (DIP switch): EASY模式下只通过DIP拨码开关调试即可Easy and quick replacement of electronics 快速更换电子元件 Efficient engineering tools in EXPERT mode:Quick diagnostics and correction of faults EXPERT模式下可通过软件快速诊断 Separation of electronics and connection unit Reduction in s