Abstract: An automation field device includes: a field device housing; arranged in the field device housing, a field device electronics unit having at least one circuit board; arranged in the housing, a circuit board holder for holding the circuit board, wherein the circuit board holder has an engagement mechanism for resistant fastening of the circuit board, wherein the circuit board has a counter-engagement mechanism corresponding to the engagement mechanism, wherein the engagement mechanism has a recess in a subregion of the outer contour of the circuit board holder, and the counter-engagement mechanism of the at least one circuit board has at least one engagement nose, wherein the recess and the engagement nose are fitted to one another such that the engagement nose can engage in the recess, wherein the engagement and counter-engagement mechanisms are located above a potting compound height such that the engagement and counter-engagement mechanisms are not potted.

Abstract: A field device of automation technology includes: a field device housing; a field device electronics unit having at least one circuit board; a circuit board holder arranged in the housing for holding the circuit board, wherein the circuit board holder has an engagement mechanism for resistance fastening of the circuit board, wherein the circuit board has at least one counter-engagement mechanism corresponding to the engagement mechanism, wherein the engagement mechanism is a latch formed from the wall or provided in the wall, wherein the latch is flexibly embodied such that, in a non-engaged state, the latch extends out from the outer contour of the wall of the circuit board holder, and, in an engaged state, the latch has moved in the direction of the at least one circuit board as to be engaged with the counter-engagement mechanism.

Abstract: Disclosed is an IPx9-compatible automation field device at least comprising: a preferably metallic field device housing that encloses an interior and includes an integrated recess for accommodating a front film; a control and/or display element arranged in the area of the recess in the interior of the field device housing; a front film applied to the field device housing, said front film being introduced into the recess integrated into the field device housing.

Abstract: An automation field device includes a metallic field device housing enclosing an interior; a sensor element and/or actuator element placed on one side on the field device housing, —for actuating and/or acquiring a process variable; an electronic circuit that is arranged in the interior of the field device housing and is configured to provide and/or process a sensor and/or actuator signal for and/or from the sensor element and/or actuator element, the electronic circuit furthermore having at least one field contact plug for transmitting data and/or energy, the field contact plug being guided outward through an opening in the field device housing, a custom-fit plug sleeve being plugged over the field contact plug, said plug sleeve being welded onto the field device housing and being fastened to a retaining means arranged in the interior.

Abstract: A device for receiving a display, and for introduction into a display holder, for a field device of automation technology includes an essentially planar, rectangular, device body having a receiving area formed on a first side of the device body for receiving a display. At least one spring element is arranged on a second side of the device body and formed in such a manner that in a restrained state, in which the device is secured on a support plate, the spring element exerts a spring force on the support plate in such a manner that the device presses the display arranged in the receiving area in the direction of a normal vector of the receiving area.

Abstract: The disclosure relates to a method of installing a first connector for mounting along a longitudinal axis of a housing, in a field device housing, in which the connector is not installed along a longitudinal axis of the field device housing, but parallel to a transverse axis of the field device housing. The method comprises the following steps: providing a first circuit board; providing the field device housing; radially introducing the second circuit board into the field device housing through the housing opening; positioning the first connector of the first circuit board in or at the housing opening; inserting the second rigid connector of the first circuit board into the rigid counterpart connector of the second circuit board; introducing a connector sleeve which precisely fits the first connector into the housing opening and pushing the connector sleeve over the first connector; and welding the connector to the field device housing.

Abstract: The present disclosure relates to a field device of automation technology, comprising a housing and a sensor unit sensitive for a process variable of a medium. The housing has a passageway to accommodate the sensor unit and the sensor unit protrudes from the housing through a terminal opening of the passageway. A clamping angle and a screw are introduced into the housing in a region of the housing adjoining the opening of the passageway. By means of the screw the clamping angle is shiftable in the housing a predeterminable distance in the direction of the sensor unit, and the clamping angle shifted in the direction of the sensor unit is embodied to press with a first clamping angle section of the clamping angle radially on a clamping region of the sensor unit arranged in the housing and facing the opening of the passageway.

Abstract: The present disclosure relates to a cover-securing mechanism for a transmitter housing closed by a screwed-on cover. The cover-securing mechanism includes a securement pin with a screw arranged at a first end region of the securement pin. A passageway, which is embodied to accommodate the securement pin, is integrated in the cover. A groove includes a circularly shaped section and is introduced into a cover facing region of the transmitter housing. The securement pin is securable at a transmitter housing far end of the cover in the passageway such that in a secured state a second end region of the securement pin protrudes inwardly into the groove and, as such, a twisting of the cover screwed onto the transmitter housing is constrained relative to the transmitter housing.

Abstract: The present disclosure relates to a field device of automation technology, comprising a housing and a sensor unit sensitive for a process variable of a medium. The housing has a passageway to accommodate the sensor unit and the sensor unit protrudes from the housing through a terminal opening of the passageway. A clamping angle and a screw are introduced into the housing in a region of the housing adjoining the opening of the passageway. By means of the screw the clamping angle is shiftable in the housing a predeterminable distance in the direction of the sensor unit, and the clamping angle shifted in the direction of the sensor unit is embodied to press with a first clamping angle section of the clamping angle radially on a clamping region of the sensor unit arranged in the housing and facing the opening of the passageway.

Abstract: The present disclosure relates to a cover-securing mechanism for a transmitter housing closed by a screwed-on cover. The cover-securing mechanism includes a securement pin with a screw arranged at a first end region of the securement pin. A passageway, which is embodied to accommodate the securement pin, is integrated in the cover. A groove includes a circularly shaped section and is introduced into a cover facing region of the transmitter housing. The securement pin is securable at a transmitter housing far end of the cover in the passageway such that in a secured state a second end region of the securement pin protrudes inwardly into the groove and, as such, a twisting of the cover screwed onto the transmitter housing is constrained relative to the transmitter housing.

Abstract: A field device for use in hygienic applications in process and automation technology is disclosed, including a sensor element, an electrical circuit, a heating element, a housing, having an outside and an inside in which the sensor element, the electrical circuit and the heating element are arranged and mounted, and an external energy supply unit, wherein the field device possesses two connection pins, to which the sensor element and the electrical circuit are connected and enabling an electrical connection with the external electrical current supply, whereby forming a first electrical current loop, and wherein a second electrical current loop is arranged such that the heating element is in electrical contact with the external energy unit via one of the two connection pins and a third connection pin, whereby the second electrical current loop forms a parallel circuit with the first electrical current loop.

Abstract: A measuring transducer for metrological registering of a pressure to be measured as relative pressure referenced to a reference pressure reigning in the environment of the measuring transducer, comprising: a housing; a relative pressure sensor arranged in the housing; a pressure supply, via which the pressure to be measured is fed to the relative pressure sensor, and a reference pressure supply, via which the reference pressure is fed to the relative pressure sensor. An entrance of and to the reference pressure supply communicates with an opening in a housing outer wall, on whose exterior the reference pressure acts, characterized in that a pressure equalizing element is applied in the entrance of the reference pressure supply, and the pressure equalizing element has a securement element, a filter element and a protective cap.

Abstract: A relative pressure sensor (1) includes a pressure measuring cell (10) having a measuring diaphragm (12), a main body (14) which is connected to said measuring diaphragm, and a the measuring chamber between the measuring diaphragm and main body, a reference pressure being applied to the measuring chamber by a reference pressure channel (18) which runs from a rear face (16) of the main body (14) through the main body (14); a clamping ring (38); and a housing (40) which has at least one housing body (42) with a measuring cell chamber (46), wherein the pressure measuring cell (10) is clamped in the measuring cell chamber (46) by the clamping ring (38).

Abstract: A field device for use in hygienic applications in process and automation technology is disclosed, including a sensor element, an electrical circuit, a heating element, a housing, having an outside and an inside in which the sensor element, the electrical circuit and the heating element are arranged and mounted, and an external energy supply unit, wherein the field device possesses two connection pins, to which the sensor element and the electrical circuit are connected and enabling an electrical connection with the external electrical current supply, whereby forming a first electrical current loop, and wherein a second electrical current loop is arranged such that the heating element is in electrical contact with the external energy unit via one of the two connection pins and a third connection pin, whereby the second electrical current loop forms a parallel circuit with the first electrical current loop.

Abstract: The invention relates to a measuring transducer (1) for metrological registering of a pressure to be measured (p) as relative pressure (pR) referenced to a reference pressure (pref) reigning in the environment of the measuring transducer (1), comprising a housing (2), a relative pressure sensor (3) arranged in the housing (2), a pressure supply, via which the pressure to be measured (p) is fed to the relative pressure sensor (3), and a reference pressure supply (5), via which the reference pressure (pref) is fed to the relative pressure sensor (3), wherein an entrance of and to the reference pressure supply (5) communicates with an opening in a housing outer wall (2a), on whose exterior the reference pressure (pref) acts, characterized in that a pressure equalizing element (6) is applied in the entrance of the reference pressure supply (5), and the pressure equalizing element (6) has a securement element (7), a filter element (8) and a protective cap (9).

Abstract: A relative pressure sensor (1) comprises: a pressure measuring cell (10) having a measuring diaphragm (12), a main body (14) which is connected to said measuring diaphragm, and a measuring chamber between said measuring diaphragm and main body, a reference pressure being applied to said measuring chamber by means of a reference pressure channel (18) which runs from a rear face (16) of the main body (14) through the main body (14); a clamping ring (38); and a housing (40) which has at least one housing body (42) with a measuring cell chamber (46), wherein the pressure measuring cell (10) is clamped in the measuring cell chamber (46) by the clamping ring (38), wherein the housing has a reference air opening (48) which communicates with the reference pressure channel (18) by means of a reference air path which has a path volume which is separate from the volume of the measuring cell chamber, wherein the reference air path has a section which runs along the rear face of the main body, wherein the section is bound