13results about "PLC for automation/industrial process control" patented technology

A housing assembly for a measuring device comprises a housing part (GT) having a planar viewing pane (SS); a connecting element (VE) which is arranged on the housing part (GT); a printed circuit board (LP) which is arranged on the connecting element (VE) and has a surface which is substantially parallel to the viewing pane (SS); wherein a first distance (A1) is defined between the viewing pane (SS) and the surface of the printed circuit board (LP); an HMI module (HMI) having display and operating functions and a planar module surface (MOF) facing the viewing pane (SS) and parallel thereto, the HMI module (HMI) being mechanically connected to the printed circuit board (LP), wherein a second distance (A2) is defined between the module surface (MOF) and the printed circuit board (LP); wherein a distance (A) between the viewing pane (SS) and the module surface (MOF) is defined by the first distance (A1) and the second distance (A2), wherein an intermediate space which is free of mechanical components is formed between the viewing pane (SS) and the module surface (MOF).

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.

A modular field device which, in spite of a plastic housing, fulfills EMC requirements and is easy to manufacture includes a sensor module for determining a process variable. For the purpose of EMC-protection, a conductive enclosure is secured in an inner space of the housing and surrounds a first inner region. A first end region of the enclosure is oriented toward a passageway of the housing. An opposite, second end region of the enclosure is closed by a circuit board such that the inner region is electromagnetically shielded. Accordingly, also the evaluation module connected with the sensor module and serving for communication is EMC protected since it is arranged in the protected inner region on a surface of the circuit board facing the inner region.

The invention relates to an automation field device (1), having: - a housing (2) which encloses an interior (3); - a sensor and / or actuator element (4) arranged on or in the housing (2); - an electronic circuit (5) arranged in the housing (2) for operating the sensor and / or actuator element (4), wherein the electronic circuit (5) has at least one printed circuit board (5.1), wherein the at least one printed circuit board has at least two spring arms formed from the printed circuit board, wherein at least two of the spring arms are formed in a plane of the printed circuit board such that the two spring arms extend outwards at mutually opposite printed circuit board edges of the printed circuit board, and wherein the two opposite spring arms are designed and matched to the interior such that the spring arms generate a clamping force for the printed circuit board introduced into the interior and hold the printed circuit board in the interior, wherein at least one of the spring arms has an electrically conductive coating in order to achieve an electrically conductive connection between the printed circuit board and the housing.

A housing assembly for a measuring instrument comprises a housing part (GT) with a planar viewing window (SS); a connecting element (VE) arranged on the housing part (GT); a printed circuit board (LP) arranged on the connecting element (VE) and having a surface substantially parallel to the viewing window (SS); wherein a first distance (A1) is defined between the viewing window (SS) and the surface of the printed circuit board (LP); a human-machine interface (HMI) module with display and operating functions and a planar module surface (MOF) facing the viewing window (SS) and parallel to the printed circuit board (LP), wherein the HMI module (HMI) is mechanically connected to the printed circuit board (LP), and wherein a second distance (A2) is defined between the module surface (MOF) and the printed circuit board (LP);wherein a distance (A) between viewing window (SS) and module surface (MOF) is defined by the first distance (A1) and the second distance (A2), wherein a space is formed between viewing window (SS) and the module surface (MOF) which is free of mechanical components.

A measurement transducer for a field device used in metrology and automation for processing a measurement signal from a sensor and for providing measurement values of at least one process variable comprises a housing having a housing body that has in the housing interior thereof at least one housing chamber that is enclosed by a housing wall, an electronics unit having at least one electronics module that has in each case a module holder and at least one electronics component arranged in the module holder, characterized in that the module holder has an electrically conductive module holder body and is designed to shield the at least one electronics component from undesired electrical or electromagnetic effects.

The field device I / O connector (100) includes a base (10) and an I / O module (14) removably mounted on the base for transmitting I / O signals along an I / O channel. An assembly of electrical connectors (12) mounted on the base connects the base to the field device (D). The electrical connectors, the base, and the I / O module mounted on the base cooperate to define the I / O channel. The I / O channel includes conversion circuitry for converting I / O signals between a digital data format output from the field device I / O connector. The base and the I / O module also cooperate to define diagnostic circuitry connected to a portion of the I / O channel extending through the I / O module. The diagnostic circuitry extends to diagnostic logic circuitry, which may be included on the base, in the I / O module, or remotely from the field device I / O connector.

A gas valve cabinet and an electrical control box. The gas valve cabinet includes an electrical control box and a gas valve box. The electrical control box includes a first box unit, a plurality of control units, a plurality of substrate units and a wireless communication unit. The wireless communication unit is disposed on the first box unit and connected to the control unit. The gas valve box includes a second box unit, a plurality of pipe units and a plurality of sensing units. The sensing units are disposed on the pipe units and connected to at least one control unit for detecting the flow rate or pressure of the gas transmitted by one of the pipe units to generate at least one sensing signal. The at least one wireless communication unit is configured to transmit at least one sensing signal to at least one external device.

Field device of automation technology (1), comprising: - a housing (2) which encloses an interior space (3); - a sensor and / or actuator element (4) arranged on or in the housing (2); - an electronic circuit (5) arranged in the housing (2) for operating the sensor and / or actuator element (4), wherein the electronic circuit (5) comprises at least one printed circuit board (5.1), wherein the at least one printed circuit board has at least two spring arms formed from the printed circuit board, wherein at least two of the spring arms are formed in a plane of the printed circuit board such that the two spring arms extend outwards along opposite edges of the printed circuit board and wherein the two opposite spring arms are designed and adapted to the interior such that the spring arms generate a clamping force for the printed circuit board placed in the interior and hold the printed circuit board in the interior, wherein at least one of the spring arms has an electrically conductive coating to achieve an electrically conductive connection between the printed circuit board and the housing.

The invention relates to a housing. A viewing pane (2) rests on a base (10) of the cover (1) having a recess (11). A peripheral groove (13) in an inner wall (12) of a cover (1) is delimited by a peripheral edge (14) which has an opening (15). The clamping ring (3) is arranged partially in the groove (13) and projects partially therefrom. The viewing pane (2) is in direct contact with the clamping ring (3) and is under axial preload. The clamping ring (3) comprises a ring structure (30) and, on a radial outer side (31), a tensioning element (32). The tensioning element (32) or the ring structure (30) is elastically resilient, or the tensioning element (32) is elastically resiliently connected to the ring structure (30). The tensioning element (32) projects beyond a plane in which the ring structure (30) is located, specifically towards a side facing away from the base (10).

The invention relates to a field device (1) of process and automation technology for determining and / or monitoring a process variable. A housing (2) comprises two chambers (3), which are separated from one another by a partition (4) and in each of which an associated electronic unit (5) is disposed. The partition (4) has a through-hole (40) having a constant inside diameter, through which a contact component (6) for contacting the electronic units (5) extends. The contact component (6) has a sealing element (61), which is pressed into the through-hole (40) in such a way that the sealing element is under a mechanical preload in the through-hole (40) and seals the through-hole (40).

The invention relates to a housing. A cover (1) has a base (10) with a cutout (11), a viewing panel (2) lies on the base (10), and a pre-tensioning element (3) is partly mounted in a circumferential groove (13) in an inner wall (11) of the cover (1) and partly protrudes therefrom. The viewing panel (2) is in direct contact with the pre-tensioning element (3) and is under axial pre-tension. The invention further relates to a field device.