CN103210357A - 具有改进诊断的手持现场维护工具 - Google Patents
具有改进诊断的手持现场维护工具 Download PDFInfo
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- CN103210357A CN103210357A CN2011800016146A CN201180001614A CN103210357A CN 103210357 A CN103210357 A CN 103210357A CN 2011800016146 A CN2011800016146 A CN 2011800016146A CN 201180001614 A CN201180001614 A CN 201180001614A CN 103210357 A CN103210357 A CN 103210357A
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- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
本发明提供了一种具有改进诊断功能的手持现场维护工具(52,102)。所述工具(52,102)包括:过程通信模块(121,138),被配置为与现场设备(22,23,104)交互。控制器(130)耦合至过程通信模块(121,138)。所述控制器(130)被配置为执行与现场设备(22,23,104)相关的多个改进诊断功能。所述控制器(130)可以获得与当前现场维护操作相关的上下文信息(206),并预加载与下一现场操作步骤相关的至少一个资源(208)。所述控制器(130)可以通过无线通信模块(123)获得过程警报信息(254),通过过程通信模块(121,138)获得现场设备警告信息(254),并在显示器(120)上提供与过程警报信息和现场设备警告信息相关的指示。所述控制器(130)可以响应于来自用户输入设备(122)的信号,对现场设备执行现场设备维护操作序列。所述控制器(130)可以响应于来自用户输入设备(122)的信号,获得快照信息(304)。
Description
背景技术
手持现场维护工具是已知的。这种工具在过程控制和测量工业中高度有用,其用于允许操作者与在给定过程设施中的现场设备进行方便的通信和/或询问。这种过程设施的示例包括:石油、制药、化学、制浆、以及其他流体处理设施。在这种设施中,过程控制和测量网络可以包括几十或甚至上百个各种现场设备,这些现场设备周期性地要求维护,以确保这种设备正确工作和/或校准。此外,当检测到过程控制和测量设施中的一个或多个错误时,使用手持现场维护工具允许技术人员快速地在现场诊断这种错误。手持现场维护工具一般用于使用数字过程通信协议来配置、校准和诊断与智能现场设备相关的问题。
由于至少一些过程设施可以涉及高度挥发性、或甚至是爆炸性的环境,针对现场设备以及与这种现场设备一起使用的手持现场维护工具符合本质安全要求通常是有利的,或甚至是必须的。这些要求有助于确保符合要求的电子设备即使在故障条件下也不产生点燃源。在由Factory Mutual Research在1998年10月发布的APPROVALSTANDARD INTRINSICALLY SAFE APPARATUS ANDASSOCIATED APPARATUS FOR USE IN CLASS I,II AND III,DIVISION NUMBER 1 HAZARDOUS(CLASSIFIED)LOCATIONS,CLASS NUMBER 3610中阐述了本质安全要求的一个示例。符合本质安全要求的手持现场维护工具的示例包括由Austin,Texas的EmersonProcess Management出售的具有商业名称Model 475 FieldCommunicator的手持现场维护工具。
发明内容
本发明提供了一种具有改进诊断功能的手持现场维护工具。所述工具包括:过程通信模块,被配置为与现场设备交互。控制器耦合至过程通信模块。所述控制器被配置为执行与现场设备相关的多个改进诊断功能。所述控制器可以获得与当前现场维护操作相关的上下文信息,并预加载与下一现场操作步骤相关的至少一个资源。所述控制器可以通过无线通信模块获得过程警报信息,通过过程通信模块获得现场设备警告信息,并在显示器上提供与过程警报信息和现场设备警告信息相关的指示。所述控制器可以响应于来自用户输入设备的信号,对现场设备执行现场设备维护操作序列。所述控制器可以响应于来自用户输入设备的信号,获得快照信息。
附图说明
图1A和1B是手持现场维护工具的概略图,本发明的实施例对该手持现场维护工具特别有用。
图2是示出了手持现场维护工具的概略图,本发明的实施例对该手持现场维护工具特别有用。
图3是根据本发明的实施例的手持现场维护工具的框图。
图4是根据本发明实施例利用手持现场维护工具以便于现场维护的方法的概略图。
图5是根据本发明实施例在手持现场维护工具上提供设备警告和过程警报条件的方法的框图。
图6是根据本发明实施例简单地使用手持现场维护工具来执行复杂的、设备专用的诊断的方法的流程图。
图7是根据本发明实施例使用手持现场维护工具向远程方提供诊断信息的方法的流程图。
图8是根据本发明实施例使用手持现场维护工具来接收远程支持的方法的流程图。
具体实施方式
图1A和1B是耦合到现场设备20、23的手持现场维护工具22的概略图。如图1A所示,手持现场维护工具22包括分别耦合到测试导线30、32的一对端子25、27,然后测试导线30、32耦合到现场设备20的端子24。端子24可以是用于允许这种手持现场维护工具耦合到设备20并与设备20交互的专用端子。使用端子25、27耦合到现场设备说明了在手持现场维护工具22和现场设备20之间的有线连接的示例。
图1B示出了备选布置,其中,手持现场维护工具22直接耦合到现场设备23所耦合的过程控制环路34。在任一情况中,手持现场维护工具和现场设备之间的有线连接允许手持现场维护工具与所需现场设备20、23交互。
图2是与无线现场设备104交互的手持现场维护工具102的概略图。系统100包括与现场设备104通信的手持现场维护工具102。手持现场维护工具102经由通信链路114通信耦合到现场设备104。通信链路114可以采用任何合适的形式,包括如图1A和1B所示的有线连接,以及当前使用或正在开发的无线通信技术。手持现场维护工具102允许技术人员与现场设备104交互,以使用数字过程通信协议(比如FOUNDATIONTM Fieldbus和/或协议)来配置、校准、和/或诊断与现场设备104相关的问题。手持现场维护工具(比如工具102)可以用于保存来自现场设备(比如,现场设备104)的配置数据。
现场设备104可以是感测过程中的变量(比如压力或温度)并通过过程通信环路发送与该变量相关的信息的任何设备。现场设备104还可以是从过程通信环路接收信息并基于该信息设置物理参数(比如阀门闭合度)的设备。现场设备104被描述为工业过程流体压力变送器,耦合有压力歧管106以及电子装置外壳108。提供现场设备104仅用于说明性的目的。在实际中,现场设备104可以是任何工业设备,比如过程流体温度变送器、过程流体水平变送器、过程流体流量变送器、阀门控制器、或在工业过程的测量和/或控制中有用的任何其他设备。
手持现场维护工具102一般包括用户接口,该用户接口包括显示器120以及多个用户输入按钮122。显示器120可以是任何合适的显示器,比如有源矩阵液晶显示器、或能够提供有用信息的任何其他合适的显示器。按钮122可以包括与任意数目的功能相关的任何合适的按钮布置,可以将手持现场维护工具用于这些任意数目的功能。按钮122可以包括数字键区、字母数字键区、任何合适数目的定制功能、和/或导航按钮、或它们的任意组合。
图3是根据本发明的实施例的手持现场维护工具的系统概略图。工具52优选地符合至少一种本质安全规范,比如上面列出的本质安全规范,以帮助确保在可能爆炸的环境中的安全性。手持现场维护工具52优选地包括至少一个无线过程通信模块121。无线过程通信模块121的合适示例包括根据已知的无线通信协议(比如,已知的WirelessHART协议(IEC 62591))产生和/或接收正确信号的模块。在ISA100.11a中阐述了另一无线过程通信协议。尽管图3示出了单一无线过程通信模块121,显然可以预期使用任何合适数目的无线过程通信模块来根据当前已有的或稍后开发的各种无线过程通信协议来进行通信。
手持现场维护工具52还包括至少一个辅助无线通信协议模块123。无线通信协议模块123可以根据图3中虚线框所示的一个或多个选项来进行通信。具体地,无线通信协议模块123可以根据蓝牙Bluetooth规范124(比如Bluetooth规范2.1,额定功率类别2)、Wi-Fi规范126(比如IEEE 802.11a/b/g/n)、已知的RFID规范128、蜂窝通信技术130(比如GSM/CDMA)、WiMAX(IEEE 802.16m)、和/或卫星通信132来通信。这些通信技术和方法允许手持现场维护工具52经由直接无线通信或使用互联网与无线网关或其他合适的设备直接通信。尽管图3中示出了一个无线通信协议模块123,可以使用任何合适数目的无线通信协议模块123。将无线过程通信协议模块121和无线通信协议模块123中的每一个耦合到控制器130,控制器130也耦合到有线过程通信模块138。
本发明的实施例总体上利用手持现场维护工具的无线通信能力来创建与过程设施网络或云的永久、实时的数据通信路径或信道。这种访问可以使用对过程设施网络的直接无线连接来实现,或者通过穿过过程设施网络防火墙进入过程设施网络的虚拟专用网(VPN)来实现。这提供了手持现场维护工具与过程设施数据网络内的系统自动交互和/或同步的能力,所述系统如资产管理系统、计算机化维护管理系统(CMMS)、分布式控制系统(DCS)等等。在一些过程设施中,由于干扰或者由于在手持现场维护工具的范围内缺少无线接入点,因而不能进行无线通信。在这种情况下,手持现场维护工具的控制器优选地被配置为存储要同步的各种数据,使得在找到无线连接可用的“热点”时,手持现场维护工具可以连接并与合适服务器或其他远程设备同步。
控制器130优选地是微处理器,其执行其中存储的或在耦合到控制器130的存储器中存储的指令序列,以执行手持现场维护任务。有线过程通信模块138允许手持现场维护工具52经由端子142、144处的有线连接物理耦合到现场设备。合适的有线过程通信的示例包括高速可寻址远程传感器协议、FOUNDATIONTM Fieldbus协议、Profibus及其他。
手持现场维护工具52包括用于使用显示器120和按键122产生用户接口的用户接口模块156。模块156可以包括合适的显示器驱动器电路158和/或存储器,以与显示器120交互。模块156还包括输入电路160,其被配置为与按钮122交互,以接收用户输入。附加地,在显示器120包括触摸屏的实施例中,模块160可以包括用于基于触摸屏接收到的用户触摸和/或手势来产生对控制器130的用户输入数据的电路。
手持现场维护工具52可以包括方便附加功能的多个附加项。具体地,工具52可以包括位置检测模块,比如GPS模块150。GPS模块150可以被配置为附加地使用用于增强准确性的广域增量系统(WideArea Augmentation System)(WAAS),和/或可以被配置为适当使用差分GPS技术来进行操作。模块150耦合到控制器130以向控制器130提供对工具52的地理位置的指示。尽管位置检测模块150优选地是工具52的内部组件,其可以是外部的且使用合适的无线或有线通信协议(比如Bluetooth 124、RFID 128等等)通信耦合到工具52的组件。此外,尽管位置检测模块150一般被描述为GPS模块150,可以使用基于与具有已知固定位置的无线接收机的无线通信的相对强度对手持现场维护工具的位置进行三角测量的其他技术。这种无线三角测量技术的示例包括基于与三个或更多固定位置的WiFi通信点或接入点的通信,对手持现场维护工具52的位置进行三角测量。此外,如上所述,本发明的实施例可以包括使用一个或多个无线过程通信协议模块(比如模块121)的能力。如果可以实现与固定位置的无线现场设备的合适数目的无线交互,则也可以使用这种三角测量技术。最后,尽管上面描述了用于获得手持现场维护工具52的位置所提供的各种方法,它们还可以彼此结合以提供附加准确性和/或冗余性。附加地,工具52还优选地包括耦合到控制器130的罗盘模块152,使得工具52可以指示其正在指向的罗盘方向。最后,工具52还可以包括耦合到控制器130的倾斜模块154,以向控制器130提供关于工具52相对于重力的倾角的指示。然而,附加的感测轴也是可预期的。
当一个或多个现场设备不正确工作时,整个过程设施可能受影响。因此,尽可能快地标识并补救这种设备的问题是非常重要的。此外,由于现代小型现场设备变得更加复杂,找到特定问题的根源正在变得更加复杂。
根据本发明实施例,手持现场维护工具为现场技术人员提供了先进的诊断和检修功能。此外,尽管使用手持现场维护工具执行实际诊断变得更加复杂或先进,优选地使用简化的用户接口技术来提供这种先进功能,使得对于现场技术人员而言总体诊断任务得以简化。
简化现场维护的一种方式是通过提供支持工作流的手持现场维护工具。优选地,利用与现场技术人员所使用的工作流相符的逻辑配置中的应用和其他信息来对现场维护任务进行分组。在处于“工作流”模式时,手持现场维护工具感测、测量或获得关于技术人员当前正在做什么以及技术人员可能采取的下一步骤的信息。利用这种信息,手持现场维护工具可以使得相关信息和应用能够被技术人员容易地访问。这种可以通知手持现场维护工具技术人员当前正在做什么的上下文信息的示例包括但不限于:与所连接的现场设备的数字交互;现场设备提供的错误或其他诊断信息;现场设备状态信息;现场设备的审查跟踪信息(优选地从资产管理系统以无线方式实时获得);资产历史信息(本地存储在手持现场维护工具中,或从远程主机无线获得);与过程设施相关的过程参数,由一个或多个其他现场设备或过程控制器来提供;现场设备警告信息(从所连接的现场设备或另一现场设备可用);过程警报条件;本地环境条件(如周围温度、大气压力、湿度等等);使用手持现场维护工具内的任一无线通信模块对电磁干扰的测量;振动测量;一天中的时间;与技术人员相关的信息(如技术人员姓名或ID、技术人员安全许可等等)。任何这些参数,不论单独或与其他参数组合,可以通知手持现场维护工具技术人员当前正在做什么。尽管分析这种信息的结果优选地指示可以提供下一步骤、信息和/或应用的特定任务,但是容易想到,可以利用对结果进行排序的统计权重来确定多个可行的结果。不仅可以针对最高结果,而是甚至可以针对最高的多个结果来提供下一步骤信息、应用等等。此外,尽管优选地由手持现场维护工具对这种多样的信息进行自动分析以协助技术人员进行他或她的现场维护中的下一逻辑步骤,但是还可以想到,所有这种信息也可以对技术人员可用。
图4是根据本发明实施例利用手持现场维护工具以便于现场维护的方法的概略图。方法200始于框202,其中,手持现场维护工具通信耦合至现场设备。这种通信耦合可以是有线耦合(直接耦合至现场设备或通过过程通信环路或段耦合至现场设备)或无线耦合。接下来,在框204,手持现场维护工具用于执行与现场设备相关的至少一个现场维护功能。在框206,手持现场维护工具获取与当前现场维护活动相关的上下文信息。该步骤优选地自动执行而无需技术人员输入。基于在步骤206获得的信息,手持现场维护工具52的控制器130确定技术人员当前正在执行何种活动。基于当前技术人员活动,控制器130确定一个或多个下一步骤,并确定所述一个或多个下一步骤所需的资源。在框208加载资源,使得在技术人员完成当前活动时,可能的下一步骤所需的资源已经可用。在框210,通过显示器120向用户指示最可能的下一步骤。技术人员可以选择所指示的步骤,或者可以指示不接受所提议的下一步骤。在这种情况下,方法200可以向技术人员提供次最可能的下一步骤,或者简单地允许技术人员结束对上下文敏感的资源预加载。
本发明的实施例还可以用于便于技术人员执行的维护步骤的文档处理。例如,在每个步骤执行完成时,可以将该步骤的结果存储在手持现场维护工具、资产管理系统、CMMS系统等等中,以维护在特定现场设备上执行的工作的历史记录。这种信息可以包括:已完成工作的描述、工作是否成功、通过/失败评价、注释等等。手持现场维护工具优选地自动获取这种信息,但是本发明的实施例还包括:在手持现场维护工具上,从技术人员接收与以上所列的任一信息相关的手动数据输入。各个维护步骤的结果优选地聚合以产生关于整个过程的汇总信息。该汇总评价/信息可以包括:用于完成的检查标记或其他合适标志,通过/失败评价、数据、注释等等。这些结果优选地存储在手持现场维护工具上,并上载至资产管理系统或更高级信息系统等等,用于分析和/或归档。然后,维护管理者可以使用这些结果来确保工作已经如期完成。
尽管本发明的实施例一般获得和处理大量诊断和/或上下文信息,但是优选地,本发明的至少一些实施例向技术人员提供将这种数据进行组合的简化显示。这种简化指示可以在显示器120上自动提供,或者可以由技术人员来选择或调用。例如,一个这种简化诊断指示是简单的好/坏指示符,提供对现场设备健康的总体指示。它可以与好/坏标志或图标一样简单,或者可以指示好与坏之间的连续状态。此外,还可以根据需要向技术人员提供设备专用的帮助信息。例如,技术人员可以选择“帮助”功能或按键,手持现场维护工具自动产生对远程主机或系统的查询,所述查询与手持现场维护工具通信耦合至的特定现场设备相关。无线接收查询结果并向技术人员显示。优选地,基于当前现场设备上下文信息来分析帮助结果,基于上下文信息来向技术人员提供更多特定项目的帮助信息。帮助结果可以包括有助于技术人员的、从任何源(本地或远程)提取的任何信息。帮助结果的示例包括:来自现场设备手册的帮助信息、基于状态执行的认为列表(具有至DD任务的链接)、以及用于“修理”现场设备的一个或多个资源。帮助结果还可以包括至视频的链接,其中视频向技术人员示出如何诊断/检修/修理现场设备。在手持现场维护工具具有充足的存储器容量的实施例中,实际上可以本地存储所有设备专用帮助信息。然而,在这种实施例中,仍然优选地,基于上下文信息来排序或组织帮助查询结果。因此,如果技术人员正在对特定现场设备执行特定校准操作并且按下帮助按钮,则结果将是设备专用的帮助信息,并且排序最高的结果将涉及技术人员当前正在执行的校准操作。
技术人员在运行的过程中调查、检修和诊断问题时面对的一个困难在于不能同时看到现场设备警告和过程警报条件。为了诊断问题,一般地,技术人员必须不断联系控制室内正在查看操作员屏幕上的警报标语的另一工作人员。
图5是根据本发明实施例在手持现场维护工具上提供设备警告和过程警报条件的方法的框图。方法250始于框252,其中,手持现场维护工具通信耦合至现场设备。优选地,只要手持现场维护工具通信耦合至现场设备,该工具就自动标识现场设备并加载或获得所连接的现场设备的设备描述。在框254,询问现场设备,并从现场设备获得一个或多个设备警告。这种警告可以指示发生指定事件或条件(已经发生或正在发生)。在框256,手持现场维护工具与当前正在运行过程的控制室主机或系统通信。这种通信优选地是无线通信。控制室主机或系统向手持现场维护工具提供与一个或多个过程警报相关的信息。过程警报是关于指定警报条件已经满足并且尚未解决的指示。过程警报可以与多个过程条件相关。例如,过程警报可以与过程变量(如过程压力)、相处设备故障或恶化、过程通信困难等等相关。在框258,手持现场维护工具在显示器120上产生指示,该指示同时示出设备警告和过程警报。这向现场技术人员提供了过程操作员看到的过程警报条件的显示以及所检测到的现场设备警告的汇总。使用这两个显示,现场技术人员可以快速查明问题的源并得出诊断解决方案。尽管以上描述是关于过程警报和设备警告来提供的,但是可以提供来自过程控制系统的任何相关过程信息。示例包括过程变量、模拟输出值、设定点等等。
图6是根据本发明实施例简单地使用手持现场维护工具来执行复杂的设备专用诊断的流程图。方法270始于框272,其中,手持现场维护工具通信耦合至现场设备。在框274,手持现场维护工具接收选择自动诊断功能的技术人员输入。该选择可以以任何合适方式产生,然而,优选地,能够利用单一按键操作来选择自动诊断功能。例如,在按钮122中可以包括功能专用的物理按钮。此外,一旦手持现场维护工具通信耦合至现场设备,则可以有软键可用,该软键允许利用单一按键操作来调用自动诊断功能。该软键可以是显示器120附近的物理按钮122,使得显示器120可以指示软键附近的标签,该标签指示软键功能。
在框276,手持现场维护工具获得其在框272通信耦合至的特定现场设备的测试方案。获得测试方案可以以任何合适的方式进行,但是优选地,如虚线框所指示的方式进行。具体地,手持现场维护工具首先标识其耦合至的现场设备。该标识包括获得设备标签信息或某种其他标识符。现场设备还可以提供型号、制造商、设备修改编号以及设备描述修改编号的指示,在现场设备不能提供这种信息的情况下,手持现场维护工具可以优选地使用其无线通信来与资产管理系统进行交互,以基于设备标签的查找来获得这种信息。在任何情况下,在框280,手持现场维护工具访问电子设备描述(EDD)文件,EDD文件与在框278获得的精确的现场设备制造商、信号和修改编号相对应。可以使用无线通信来执行这种访问,和/或可以使用本地数据库查找(在手持现场维护工具存储一个或多个EDD文件的实施例中)来执行这种访问。电子设备描述符(EDD)是使用电子设备描述语言(EDDL)来编写的,包括特定现场设备需要通过从而被认为是无差错和无缺陷的所有测试的穷尽列表。现场设备包括或具有该信息,但是技术人员不容易使用该信息。因此,在框282,手持现场维护工具促使控制器解析或者处理EDD文件,以产生包括测试方案的一个或多个自动化测试脚本,如框284所示。尽管以上提供的描述具体涉及EDD文件,但是根据本发明的实施例,可以使用提供相关联现场设备的描述的任何计算机可读介质。合适的示例包括:根据由FDT GroupAISBL管理的FDT规范的现场设备工具/设备类型管理器(FDT/DTM)、现场设备集成(FDI)等等。
在框286,手持现场维护工具开始自动执行测试方案。优选地,无需任何技术人员干预来执行测试方案。然而,可以想到,如果特定测试或脚本需要物理动作(如将参考电阻连接至一对现场设备传感器端子)。即使利用技术人员干预,优选地仍自动执行各个测试脚本的序列以及与现场设备的通信。一旦方案中的所有测试脚本已经运行,手持现场维护工具优选地向技术人员提供结果的汇总,如框290所示。该汇总优选地列出每个测试脚本以及每个脚本的结果。结果可以包括现场设备是否通过测试、测试失败或者结果是否不确定的指示。此外,结果汇总还可以包括警告条件和/或所发现的问题。优选地,自动诊断还将包括在运行测试方案之前记录的校准前数据。此外,如果现场设备确实具有问题或故障,则最终汇总或报告可以提供对与所遇到的特定问题和/或技术人员用于校正或进一步调查问题的步骤相关的设备专用帮助的单击访问。此外,手持现场维护工具还可以访问与特定问题相关的修复手册,使得可以在手持现场维护工具上直接参考该手册。典型地,现场设备手册以标准格式(如已知的.pdf格式)在线可用。在框292,还可以根据需要传送结果。传送可以包括打印硬拷贝(例如通过蓝牙打印机打印),或者通过电子邮件将结果发送至技术人员指定的地址。
上述实施例总体上帮助技术人员执行多个任务或操作以确定现场设备中的问题的原因。然而,有时,在所有测试已经运行,并且已经研究了信息之后,仍未标识出问题。在这种情况下,本发明的实施例还便于与第三方支持实体交互,如现场设备的制造商的客户支持组。
图7是根据本发明实施例使用手持现场维护工具来向远程实体提供诊断信息的方法的流程图。方法300始于框302,其中技术人员提供输入,该输入指示针对远程支持的请求。该用户输入还指示多个提供商中的一个特定远程支持提供商。例如,一个提供商可以是位于过程设施处的专家组,而另一提供商可以是制造商的客户支持组。对于每个这种提供商,手持现场维护工具优选地包括或获得指针或指示符。这种指示符的一个示例是电子邮件地址。然而,指针或指示符还可以是安全FTP服务器的统一资源定位符(URL),该服务器被配置为从手持现场维护工具接收诊断信息。此外,本发明的实施例还想到技术人员选择多个提供商的能力。
在框304,手持现场维护工具收集快照信息。这里使用的快照信息包括与现场设备相关、与现场设备交互的任何信息和/或上下文信息。快照信息可以包括操作或在现场中的现场设备的实际照片、视频和/或音频,如框306所示。快照信息还可以包括所获得或确定的与现场设备相关的指定电测量,如框310所示。快照信息还可以包括手持现场维护工具与现场设备之间的任何或所有通信的拷贝,如框312所示。快照信息还可以包括跟踪日志,以跟踪技术人员进行的步骤,如框314所示。快照信息还可以包括任何合适的设备信息,如设备标签、信号、修改编号、序列号、批次码等等。另外,快照信息可以包括以上关于基于技术人员当前正在做什么来预加载资源的实施例而列出的任何上下文信息。尽管方法300的描述在框304之前提供了框302的描述,但是实际上该顺序可以反转。因此,技术人员可以在请求远程支持之前收集快照信息。对快照信息的获取可以自动进行,其中系统简单地收集数据以预期远程支持请求,或者它可以是由技术人员调用的。
在框318,将快照信息发送至远程支持提供商。在手持现场维护工具具有实时无线通信的实施例中,可以在手持现场维护工具仍通信耦合至现场设备时执行发送。此外,或备选地,可以存储该发送,直到手持现场维护工具具有无线或有线连接。此外,还可以将快照信息发送至资产管理系统,以关于远程设备进行归档。
图8是根据本发明实施例使用手持现场维护工具接收远程支持的方法的流程图。方法320优选地在上述方法300之后执行。然而,这不总是必需的。尽管对于提供远程支持的方法,快照信息可能是信息量非常丰富的,但是可以实现本发明的实施例,其中技术人员简单地选择与特定现场设备相关的远程支持,并从远程支持提供商接收一个或多个测试脚本或资源。在框322,手持现场维护工具与所选远程支持提供商建立通信连接。在框324,手持现场维护工具接收测试脚本326和/或修复脚本328。如上所述,从远程支持提供商接收的脚本优选地响应于将快照提交至远程支持提供商,或在将快照提交至远程支持提供商之后,如关于图7所述。接下来,在框330,手持现场维护工具对现场设备自动执行从远程支持提供商接收的一个或多个测试/修复脚本。在框340,手持现场维护工具确定远程脚本执行的结果。这些结果可以在手持现场维护工具的显示器120上本地提供342,和/或远程提供344至远程支持提供商。在向远程支持提供商提供结果之后,可以接收一个或多个附加测试或修复脚本,从而经由线346将控制返回框324。
Claims (21)
1.一种手持现场维护工具,包括:
过程通信模块,被配置为与现场设备进行交互;以及
控制器,耦合至过程通信模块,所述控制器被配置为获得与当前现场维护操作相关的上下文信息,并预加载与下一现场操作步骤相关的至少一个资源。
2.根据权利要求1所述的手持现场维护工具,其中,所述手持现场维护工具是本质安全的。
3.根据权利要求1所述的手持现场维护工具,还包括:无线通信模块,耦合至控制器,其中,通过无线通信模块从远程设备获得至少一些上下文信息。
4.根据权利要求1所述的手持现场维护工具,其中,所述控制器还被配置为提供与现场设备相关的帮助信息。
5.根据权利要求1所述的手持现场维护工具,还包括:显示器,耦合至控制器,其中,所述控制器被配置为在显示器上提供总体现场设备健康的指示。
6.一种手持现场维护工具,包括:
过程通信模块,被配置为与现场设备进行交互;
显示器;
无线通信模块;以及
控制器,耦合至过程通信模块、显示器和无线通信模块,所述控制器被配置为通过无线通信模块获得过程警报信息,通过过程通信模块获得现场设备警告信息,并在显示器上提供与过程警报信息和现场设备警告信息相关的指示。
7.根据权利要求6所述的手持现场维护工具,其中,所述显示器被配置为同时提供过程警报信息和现场设备警告信息。
8.根据权利要求6所述的手持现场维护工具,其中,所述过程警报信息是通过与位于远离现场设备的过程控制器系统进行通信来获得的。
9.一种手持现场维护工具,包括:
过程通信模块,被配置为与现场设备进行交互;
至少一个用户输入设备;以及
控制器,耦合至过程通信模块和用户输入设备,所述控制器被配置为响应于来自用户输入设备的信号,对现场设备执行现场设备维护操作序列。
10.根据权利要求9所述的手持现场维护工具,其中,所述现场设备维护操作序列包括多个测试脚本。
11.根据权利要求9所述的手持现场维护工具,其中,所述控制器被配置为解析与现场设备相关的EDD文件,以自动获得所述现场设备维护操作序列。
12.根据权利要求11所述的手持现场维护工具,其中,所述EDD文件本地存储在所述手持现场维护工具上。
13.根据权利要求11所述的手持现场维护工具,其中,所述控制器还被配置为获得现场设备标识信息,并使用现场设备标识信息来查询远程系统,以获得EDD文件。
14.根据权利要求9所述的手持现场维护工具,其中,所述信号是在单一按键操作之后产生的。
15.根据权利要求9所述的手持现场维护工具,其中,所述至少一个用户输入设备包括功能专用按钮。
16.所述手持现场维护工具,还包括:显示器,耦合至控制器,所述显示器被配置为提供现场操作序列的结果的指示。
17.一种手持现场维护工具,包括:
过程通信模块,被配置为与现场设备进行交互;
至少一个用户输入设备;以及
控制器,耦合至过程通信模块和用户输入设备,所述控制器被配置为响应于来自用户输入设备的信号,获得快照信息。
18.根据权利要求17所述的手持现场维护工具,还包括:无线通信模块,耦合至控制器,所述无线通信模块被配置为向远程支持实体发送所述快照信息。
19.根据权利要求18所述的手持现场维护工具,其中,所述控制器被配置为响应于所述快照信息来接收脚本,并执行与现场设备相关的脚本。
20.根据权利要求19所述的手持现场维护工具,其中,所述脚本是测试脚本。
21.根据权利要求19所述的手持现场维护工具,其中,所述脚本是修复脚本。
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