Abstract: A valve, with a valve housing, through which process medium can flow and in which a valve seat which surrounds a throughflow opening is arranged, to which valve seat a valve element which is arranged on a spindle is assigned in a manner such that the valve element by way of an actuation travel of the spindle is movable between a shut-off position, in which the valve element sealingly bears on the valve seat in a process-medium-tight manner, and an open position, in which the valve element is lifted from the valve seat, and with a fluid-actuated valve drive which includes a drive housing and a drive wall which together with the spindle forms a drive unit and which separates two working spaces from one another, of which working spaces at least one can be subjected to pressure, and with a travel limitation device which for limiting the opening travel of the spindle includes a stop element which is fastened to the drive housing and which with an end section which includes a stop surface projects into a travel lim

Abstract: A linear guide device includes at least one linear guide unit which has a guide housing, in which two annularly closed circulating channels are formed in each of which a multitude of roller bearing elements is received. The guide housing has a single-piece housing intermediate element which contributes to the formation of the circulating channels and through which passes at least one lubrication channel which communicates with the circulating channels. The lubrication channel passes through the single-piece housing intermediate element and extends partly also in an integral pipe-stub-like lubrication appendix of the single-piece housing intermediate element, wherein the lubrication appendix includes a lubrication opening which is accessible from outside the guide housing for bringing in lubricant.

Abstract: A trajectory planning unit for providing a trajectory as a command variable for a control unit for position control of an actuator member of an actuator, wherein the trajectory planning unit is adapted to provide the trajectory on the basis of a target position curve and to limit the trajectory according to at least one limit value comprising a velocity limit value, an acceleration limit value, a braking acceleration limit value and/or a jerk limit value. The trajectory planning unit is adapted to provide the trajectory according to at least one specification value which can be specified, the specification value including an initial velocity value, a final velocity value, an initial acceleration value and/or a final acceleration value.

Abstract: A system, including: a fluidic actuator which can be acted upon by a pressurized fluid and has an actuator member, a pressurized fluid provision device which is adapted to carry out a position control of the actuator member and, within the position control, to act upon the fluidic actuator with the pressurized fluid in order to move the actuator member into a prescribed position, and a hose arrangement, including at least one hose via which the fluidic actuator is fluidically connected to the pressurized fluid provision device, wherein the pressurized fluid provision device is adapted to carry out the position control taking into account a system model describing the hose arrangement, the actuator and/or the pressurized fluid provision device.

Abstract: A valve device including an outlet port, a first valve unit with a first valve element for setting a first throttle opening for influencing a first airflow of pressurised air which is to be output at the outlet port or is to be released via the outlet port, a first throttle control loop for the closed-loop control of the first throttle opening according to a first setpoint, a pressure control loop for the closed-loop pressure control of an outlet pressure present at the outlet port to a pressure setpoint amid the use of a first throttle control loop as a subordinate control loop, wherein on closed-loop pressure control the pressure control loop specifies a first throttle setpoint to the first throttle control loop as the first setpoint, wherein the valve device is further configured to provide a throttle setting function and, within the throttle setting function, to limit the first throttle opening to a first limitation value and/or within the throttle setting function to specify a first direct setpoint which

Abstract: A system including a pneumatic actuator with an actuator member and a compressed air supply device which is configured to apply compressed air to the pneumatic actuator in order to set the actuator member in an actuator member movement towards an end position of the pneumatic actuator, wherein the compressed air supply device is further configured to provide an end position damping for the actuator member movement and, during the end position damping, to adjust a conductance value of a discharge valve, via which the compressed air supply device discharges compressed air from a pressure chamber of the pneumatic actuator which pressure chamber counteracts the actuator member movement, in accordance with a conductance characteristic in dependence of a driving force acting on the actuator member.

Abstract: A diagnostic module for technical diagnosis of field devices operated in an automation plant, a diagnostic system, a method, and a computer program are provided. The diagnostic module includes a local control device which has a field bus interface and is not web-enabled, a field device, which has a web-based interface, from a number of field devices, and a coupling module with a web interface for data communication with a cloud-based server and in particular for reception of an analysis message from the cloud-based server and with a conversion module for generation of a field bus message from the received analysis message and for transmission of the field bus message to the control device. The diagnostic module further includes a field bus for internal communication between the devices of the automation plant and for forwarding the generated field bus message to the control device for control of the automation plant.

Abstract: A system (100), including: a fluidic actuator (2) which can be acted upon by a pressurized fluid and has an actuator member (3), a pressurized fluid provision device (4) which is adapted to carry out a position control of the actuator member (3) and, within the position control, to apply the pressurized fluid to the fluidic actuator (2) in order to move the actuator (3) into a prescribed position, the pressurized fluid provision device (4) being adapted to carry out the position control taking into account at least one system parameter, which describes a physical property of the system and/or a requirement parameter which defines a requirement for the positioning of the actuator (3), wherein the pressurized fluid provision device (4) is further adapted to perform an assistance procedure and to determine and/or verify, within the assistance procedure, the system parameter and/or the requirement parameter on the basis of a movement of the actuator (3) and/or a consideration of physical limits.

Abstract: The present invention relates to a gripping apparatus (100) for gripping objects, comprising a sleeve-like main body (200), a permanent magnet (210) accommodated in the main body (200), and an armature element (220) which is arranged coaxially with the permanent magnet (210) and is designed to be movable between a first position close to the permanent magnet and a second position remote from the permanent magnet, wherein: the sleeve-like main body (200) comprises at least two gripping fingers (230) which are each designed to be connected to the armature element (220) by means of an actuating bar (240), and the gripping fingers (230) are moved towards one another when the armature element (220) is moved into the first position, and moved away from each other to a release position when the armature element (220) is moved into the second position; and the gripping apparatus (100) comprises a switchable coil (300) which, when in the switched state, is designed to generate a magnetic field that opposes the permane

Abstract: A field device coupling apparatus for coupling a field device to a higher-level controller, including a current interface with a first interface connection point and a second interface connection point, with which interface connection points the field device coupling apparatus can be connected to the higher-level controller in order to receive an interface current, further including a load circuit connected between the first interface connection point and the second interface connection point, the load circuit including a controllable load and being adapted to provide a supply voltage for the field device using the controllable load based on the interface current, wherein the load circuit includes an AC negative feedback path, which runs from an output branch of the load circuit to an input terminal of the controllable load and serves to increase the AC impedance between the first interface connection point and the second interface connection point.

Abstract: A diaphragm valve includes a valve housing in which a switching rocker, which is pivotable about a pivot axis and which interacts with a control diaphragm for opening and closing at least one valve channel, is arranged. The pivot axis is defined by a mounting web, on which the switching rocker bears in a pivotably movable manner. The mounting web is an integral constituent of a mounting unit, said mounting unit being fastened to the valve housing in a drive chamber by way of fastening measures. Without the fastening measures, the mounting unit can be displaced in order to adjust a desired height distance of the mounting web.

Abstract: Dosing unit for dosing liquids, having a fluid unit for selectively providing an overpressure and a negative pressure on a working gas, which is accommodated in a fluid channel which is connected at a first end region to the fluid unit and which includes a second end region, having a first valve unit and having a second valve unit, which are arranged spaced apart from one another along the fluid channel and are each designed for selectively blocking or releasing the fluid channel in order to form in the fluid channel a fluid reservoir which is delimited by the two valve units and is provided for storing working gas, having a control unit for controlling the valve units, the fluid reservoir being assigned a pressure sensor which is designed to provide a pressure signal as a function of a working gas pressure and is electrically connected to the control unit.

Abstract: An error detection and localisation in a pneumatic system and in particular an error detection module includes a read-in interface for reading-in digital signals from the automation plant, a first processor unit designed to execute a detection algorithm for calculating an anomaly score for the automation plant on the basis of the set of read-in signals, a second processor unit which is designed—in the event that the anomaly score calculated with the first processor unit indicates an anomaly—to perform a machine localisation method for localising the error, wherein the machine localisation method has been trained in a training phase in order to calculate and as a result provide, on the basis of a detected circuit diagram of the automation plant with respect to the calculated anomaly score, probabilities of possible causes of error in relation to individual components of the automation plant.

Abstract: An electropneumatic controller has an electropneumatic control unit on which is provided an expansion interface, on which an expansion module arrangement is fitted. In the expansion module arrangement there extends at least one expansion working channel which is connected to a main working output and which is fluidically connected to the control unit at the expansion interface for connection to control valve means. The control unit further contains control electronics for electrically controlling the control valve means. Also proposed is a process control device equipped with a controller of this type.

Abstract: An electronic valve controller for an open-loop and closed-loop control of a valve island includes four or eight valve disks having pneumatic valves configured to perform a motion task. Applications for the open-loop and closed-loop control of the valve island can be loaded onto the electronic valve controller. The invention further relates to a valve assembly, which is controlled in an open-loop and closed-loop manner by an electronic valve controller, to a corresponding method, and to a system.

Abstract: A pneumatic control device includes a functional assembly that has an interruption valve device for the selective opening or interruption of at least one main working channel used for the pneumatic control of a pneumatic actuator. The functional assembly also contains a manually actuatable valve device that is connected to the interruption valve device by means of at least one auxiliary working channel and which enables manual pneumatic control of the connected actuator, if the at least one main working channel is interrupted by the interruption valve device at the same time. A process control device can also be equipped with a control device of this type.

Abstract: A diagnostic apparatus for a fluidic actuator, in particular a fluidic valve drive, which has an actuator element displaceable into different positions (x1, x2, xp1, xp2), wherein the diagnostic apparatus is configured to provide a first break-away pressure measured value (pi1) for a first position of the actuator element. The diagnostic apparatus is further configured to determine, based on the first break-away pressure measured value (pi1) and break-away pressure reference information (pri) stored in the diagnostic apparatus, a first break-away pressure prediction value (pp1) for a first prediction position (xp1) of the actuator element, the first prediction position being different from the first position (x1).

Abstract: A communication unit (S1, S2) for industrial automation for use in a communication system (10) of series-connected communication units (M, S1, S2). The communication unit includes a first input (E1), a first output (A1), and an internal clock generator (TG) which is adapted to provide an internal clock signal as system clock for clocking the communication unit (S1, S2), and wherein the communication unit (S1, S2) is configured to receive, via the input (E1), a serial input data stream with payload data. The communication unit (S1, S2) has a timer (ZG) for providing a time value, the timer (ZG) being adapted to provide the time value based on an input symbol clock included in the input data stream.

Abstract: A supply module includes an electrical control input and an electrical supply input as well as an electrical control output and an electrical supply output, as well as a control line arranged between the control input and the control output, which is designed for the transmission of control information, wherein at least one supply line group is assigned to the electrical supply input, which group includes a supply feed line and a supply outlet line, which are each extended between the electrical supply input and the electrical supply output, and which includes a switching module which is coupled to the control line and which has a feed switch arranged in the supply feed line, wherein a consumer output is formed for an electrical supply of an external consumer and is connected via an output feed line to the supply feed line and via an output drain line to the supply outlet line, the output feed line being connected between feed switch and the electrical supply output.