Abstract: The invention relates to a method for authorized updating of first operating software of a field device which is used in an automation technology installation, wherein an authentication test of second operating software for the field device is performed, which second operating software is signed by means of a first private key associated with the installation, wherein, within the scope of the authentication test, the signature, generated by the first private key, of the second operating software is authenticated by means of a first public key associated with the installation, and wherein, in the event that the authentication test has been performed successfully, the first operating software located on the field device is at least partially replaced by the second operating software.

Abstract: The disclosure relates to a method for operating a field device of automation technology, comprising: establishing a wireless and/or wired communications link between the field device and an operating unit; establishing a communications link between an authentication card and the field device, using the operating unit, wherein at least the field device and the authentication card contain symmetric or asymmetric key information; and carrying out an at least unilateral authentication of the authentication card on the field device, as well as an operating unit for carrying out the method according to the invention.

Abstract: The present disclosure includes a method for authenticating a field device of automation technology with respect to a destination device. A telegram is created by the field device, which telegram includes a first data field and at least a second data field. The first data field includes information on the status of the field device and/or of the device components of the field device and/or information on the device parameterization/configuration, and a sequence counter or a time stamp. Security data are generated from the first data field via a cryptographic method, which security data are stored in the second data field. The telegram is transmitted from the field device to the destination device, wherein the destination device verifies the second data field as to authenticity or integrity upon receipt of the telegram, and wherein a first alarm is generated if the authenticity or the integrity of the second data field is not successfully verified.

Abstract: A method for operating a specific field device from a first group and a second group of field devices, wherein the first group exchanges data in an IP-based network, and the second group communicates at least via a non-IP-based connection, the method includes the following: transmitting multicast messages having an item of connection information via at least one portion of the field devices of the first group; integrating the operator device into the IP-based network; initiating a connection establishment with a field device of the second group; receiving the transmitted multicast messages by the operator unit so that the connection information is made available to the operator unit; generating a list of all field devices of the first group and the second group; selecting the specific field device using generated list; initiating a specific connection establishment with the specific selected field device; and operating of the specific selected field device with the mobile operator unit.

Abstract: A method for providing static data and dynamic data of a service/display menu for a mobile device from a field device containing identification data and a total amount of static data and dynamic data. Upon query of the mobile device, dynamic data and/or static data are transmitted from the field device to the mobile device via a wireless interface. Static data required for an application for representation and/or changing of transmitted dynamic data are transmitted from the field device to the mobile device. These static data are stored in a memory in the mobile device. Further disclosed is a computer program for performing the method and an arrangement comprising a field device and a mobile device for performing the method.

Abstract: The present disclosure relates to a process automation field device having a housing and a printed circuit board, wherein the printed circuit board and housing have at least one common fixation region by which a relative movement of the printed circuit board within the housing is prevented, characterized in that the printed circuit board has at least one opening to compensate for diverging changes in length between the printed circuit board and housing.

Abstract: The present disclosure relates to a method for updating a firmware component of a measurement and control technology device. The method includes: a segment-by-segment reception of a first firmware image; an authentication of the first firmware image based upon a first encryption method; a creation of a second authentication datum for the first firmware image via an algorithm that differs from the first encryption method; a re-transmission of the data used for updating the firmware component as a second firmware image; an authentication of the second-firmware image based upon the second authentication datum; and in the case of a successful authentication of the second firmware image, enabling and execution of the firmware program code.

Abstract: The present disclosure relates to a measurement arrangement including: a first process automation technology field device, wherein the first field device includes a first inductive interface and a data processing unit, and wherein a second process automation technology field device can be connected to the first interface; and a data transfer device having a second inductive interface that is designed to complement the first interface, wherein the data transfer device can be connected via this to the first field device, wherein the data transfer device includes a data transfer module with which digital data can be transferred from a source to the data processing unit of the first field device via the data transfer device and the first or second inductive interface. The present disclosure likewise relates to a method for temporarily transmitting digital data from a source to a field device.

Abstract: The present disclosure relates to a wireless dongle for the wireless transmission of data from a computer to at least one field device of a process automation system. The dongle includes a connection interface for connecting the dongle to a computer, a wireless interface for transmitting the data from the dongle to a field device, a memory, an arithmetic unit configured to generate and test signatures and release codes, as well as to perform encryption, and a housing, wherein the wireless interface, the memory, the arithmetic unit, and the connection interface are arranged in the housing, wherein only the part of the connection interface relevant for the connection to the computer is omitted from the housing. The present disclosure further relates to a method for wirelessly transmitting data from a computer to a field device.

Abstract: A position-finding apparatus, particularly a handheld position-finding appliance, having a position-finding unit, is provided for the purpose of using a measurement signal to detect the presence of an article arranged in an examination object and which has a sensor unit, a computation unit, and a display unit. The computation unit associates differing sensor elements of the sensor unit with differing display points of the display unit in at least one dimension.

Abstract: A locating device, in particular a handheld locating device, includes a locating unit configured to detect the presence of an item arranged in an examination object using an examination signal. The locating device further includes a motion sensor unit configured to detect at least one motion parameter along at least one direction of motion. In addition, the locating device includes an evaluation unit configured to evaluate the motion parameter and at least one locating parameter of the locating unit together.

Abstract: An optical receiver lens has a three-dimensional lens surface, for receiving the laser radiation of a laser distance measuring device, said laser radiation being reflected at an object, wherein the receiver lens can be described in a three-dimensional coordinate system having three axes x, y, z arranged at right angles with respect to one another and wherein the z-axis coincides with the optical axis of the receiver lens. At least one non-spherical area section of the lens surface can be described by addition of a first area, the flexure of which along the z-axis is a first function (f1) of x and y, in particular of (I) and a second area, the flexure of which along the z-axis is a second function (f2) of x and not of y. A distance measuring device is also described.

Abstract: A measuring device, in particular a handheld measuring device, for the localization of objects enclosed in a medium, including at least one photometric sensor that obtains by way of the at least one photometric sensor a first measurement signal of the object to be examined, so that by evaluation of that measurement signal, information about an object enclosed in the medium is obtained, and at least one further sensor, for generating at least one further second measurement signal for obtaining information about the object enclosed in the medium. A method for the localization, by way of a photometric sensor, of objects enclosed in a medium.

Abstract: The invention relates to a device for optical distance measurement, particularly to a handheld device, comprising a transmission unit (12) with a light source (17, 18) for emitting optical measurement radiation (13, 20, 22) onto a target object (15), and comprising a receiving unit (14) arranged at a distance from the optical axis (38) of the transmission unit (12) and equipped with at least one optical detector (54) for receiving optical radiation (16, 49, 50) reflected from the target object (15). According to the invention, the detector (54) of the receiving unit (14) comprises a detection surface (66), the optical surface of which has varying optical sensitivity.

Abstract: The invention relates to a distance measuring unit (10) for contactless distance measurement, in particular a handheld unit, with a housing (12, 40), which has a housing front side (14), which points in the measurement direction (32), and a housing rear side (16), which faces away therefrom, wherein the housing rear side (16) forms a first reference plane (AA) for the distance measurement, and with at least one measurement stop (5) of a measurement stop element (4), which can be moved out of the housing (12). The invention proposes that the measurement stop element (46) is mounted in the housing (12, 40) in such a way that it moves automatically out of the housing (12, 40) once a locking apparatus (62, 63, 65) has been released and is optionally moved at least into a first (1) or into a second (1) measurement position.

Abstract: The invention relates to a measuring instrument, particularly a hand-held instrument (10) for measuring distances, comprising at least one transmission branch (28) for a test signal and adjustable switching means (36) for deflecting the test signal. The switching means (36) reflect at least a portion of the test signal in a first switched position (42) while unblocking the transmission branch (28) for the measuring radiation in a second switched position (42?). According to the invention, the switching means (36) reflect the measuring radiation in a diffuse manner in the first switched position (42). Also disclosed is a method for producing such a measuring instrument.

Abstract: An optical receiver lens has a three-dimensional lens surface, for receiving the laser radiation of a laser distance measuring device, said laser radiation being reflected at an object, wherein the receiver lens can be described in a three-dimensional coordinate system having three axes x, y, z arranged at right angles with respect to one another and wherein the z-axis coincides with the optical axis of the receiver lens. At least one non-spherical area section of the lens surface can be described by addition of a first area, the flexure of which along the z-axis is a first function (f1) of x and y, in particular of (I) and a second area, the flexure of which along the z-axis is a second function (f2) of x and not of y. A distance measuring device is also described.

Abstract: The invention relates to a locating device, particularly a handheld locating device, comprising a locating unit (12) that is provided to detect the presence of an item (16) arranged in an examination object (14) by means of an examination signal (18), and a motion sensor unit (20) that is provided to detect at least one motion parameter (BKi) along at least one direction of motion (22, 24, 26). It is proposed that the locating device comprise an evaluation unit (28), which is provided to evaluate the motion parameter (BKi) and at least one locating parameter (OKi) of the locating unit (12) together.

Abstract: A locating device, in particular a handheld locating device, for detecting objects enclosed in a medium, includes a first device for detecting objects enclosed in a medium, and having a control and evaluation unit for measurement signals of the locating device. The device has a second detection device that makes it possible to detect a predeterminable distance d of the locating device from a surface of a medium. In addition, a method for calibrating a measurement device, in particular for calibrating a handheld locating device for detecting objects enclosed in a medium, a reference measurement for calibrating the measurement device is carried out only after at least one measurement has been carried out of a distance d of the measurement device from a surface of a medium.

Abstract: The invention is based on a distance-measuring device having a transmission unit (20) for generating a transmission signal (42) having at least one measurement frequency (f1, f2) which is desired for detecting distance information. It is proposed that the transmission unit (20) comprises a means (60) for generating an evaluation signal (62) having an evaluation frequency (fA) which is desired for evaluating the distance information.