Method for Secure Servicing of a Field Device
    1.
    发明申请
    Method for Secure Servicing of a Field Device 审中-公开
    现场设备安全维护方法

    公开(公告)号:US20150244697A1

    公开(公告)日:2015-08-27

    申请号:US14427120

    申请日:2013-08-28

    Abstract: A method for secure servicing of a field device (FD) of process automation technology. The field device (FD) has a web server (WS), via which the field device (FD) can be serviced, wherein the field device (FD) has a function (CAPTCHA) for distinguishing computers from humans, wherein, upon an accessing of the field device (FD) via the web server (WS), the function (CAPTCHA) for distinguishing computers from humans is executed, in order to assure that the accessing of the field device (FD) is being done by a human user.

    Abstract translation: 一种用于安全维护过程自动化技术的现场设备(FD)的方法。 现场设备(FD)具有网络服务器(WS),通过该网络服务器可以对现场设备(FD)进行维护,其中现场设备(FD)具有用于区分计算机与人的功能(CAPTCHA),其中,在访问 通过网络服务器(WS)的现场设备(FD)的功能(CAPTCHA)被执行,以便确定现场设备(FD)的访问是由人类用户完成的。

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