Abstract: An apparatus for processing signals transmitted between a controller and one field device or multiple field devices includes: a carrier having a control interface, a field interface, and one slot or multiple slots, the control interface being for connection of one electrical line channel or multiple electrical line channels of the controller, the field interface being for connection of input and/or output signal lines, I/O signal lines, of the one field device or the multiple field devices, and the one slot is, or each of the multiple slots are, for the releasable mechanical connection of a module in a plug-in direction and, in the mechanically connected state, for the electrical connection of the respective module to the line channel or one of the line channels and to the I/O signal lines of the field device or one of the field devices; and at least one module.

Abstract: A multiple relay arrangement having a plurality of relay sockets which are arranged next to each other and a plurality of relays. The relay sockets contain additional plug connections with which the relays are controlled by the system cabling. The system cabling contains a distribution section having cable sections and plug connectors and allows the plurality of relays to be controlled.

Abstract: The invention relates to a device for removably fixing a conductor (10) to a current transformer housing (12), comprising a fixing element (18) which runs through a retaining element (16) lying on the current transformer housing (12) and which sits at least partly against the surface of the conductor (10) when the conductor (10) is fixed on the current transformer housing (12). The invention is characterized in that the fixing element (18) runs around the circumferential surface of the conductor (10) in a looped manner when fixed.

Abstract: A current measuring transducer for measuring the current flowing through an electrical cable, with a ring probe, a sensor and an evaluation device for recording the current value obtained by the ring probe and the sensor, wherein the ring probe has an annular core, wherein the ring probe is divided into a basic ring section and at least one movable ring section, wherein the movable ring section defines an open and a closed state, wherein in the open state, a radial cable insert opening is opened, and wherein a circularly closed arrangement is created in the closed state of the movable ring section in which the annular core surrounds the cable, wherein the radial insertion of a cable extending axially relative to the current measuring transducer into the inside area of the ring probe transfers the ring section from one to the other state, and measurement of the current in the cable inserted into the inside area is made possible in the closed state.

Abstract: A multiple relay arrangement having a plurality of relay sockets which are arranged next to each other and a plurality of relays. The relay sockets contain additional plug connections with which the relays are controlled by the system cabling. The system cabling contains a distribution section having cable sections and plug connectors and allows the plurality of relays to be controlled.

Abstract: Systems and methods for detachable attachment of an electrical conductor to current transformer housing are disclosed. An illustrative device may [comprise] includes a current transformer housing, a holding element which is passed through the current transformer housing, and an attachment element which passes through the holding element, with the attachment element and/or the holding element resting at least partially on the surface of the electrical conductor when the electrical conductor is attached to the apparatus, the attachment element being rotatable about its longitudinal axis for attaching or releasing the electrical conductor. Moreover, the holding element may be rotatable about its longitudinal axis such that, in a first position, the holding element can be moved along its longitudinal axis for attaching or releasing the electrical conductor and, in a second position, the holding element cannot be moved along its longitudinal axis.

Abstract: A device for detachably fastening a current conductor to a current transformer housing includes the current transformer housing, a retaining element that is guided through the current transformer housing, a fastening element that is guided through the retaining element, and a clamping element. The fastening element and/or the retaining element are seated against at least some regions of the surface of the current conductor when the current conductor is fastened to the current transformer housing. The fastening element can be rotated about the longitudinal axis thereof so as to fasten and/or detach the current conductor. The clamping element is arranged movably on the current transformer housing so that, in a first position, it allows a translatory displacement of the retaining element along the longitudinal axis. In a second position, the clamping element prevents the transtatory displacement of the retaining element along the longitudinal axis thereof.

Abstract: The invention relates to a device for detachably fastening a current conductor (10) to a current transformer housing (12) comprising a fastening element (16, 32), wherein the fastening element (16, 32) can be guided such that the fastening element (16, 32) at least partially contacts the surface of the current conductor (10) in a fastening state of the current conductor (10) on the current transformer housing (12). The invention is characterized in that the fastening element (16, 32) is implemented such that it performs a translatory displacement in the direction of the current conductor (10) when transitioning from an unfastened state to the fastened state of the current conductor (10) to the current transformer housing (12).

Abstract: An electronic expansion module which has at least one circuit board, that has a contact region with contacts for mechanical and electrical contact-making with mating contacts connected to the circuit board of the expansion module and a circuit board recess formed such that, with the expansion module inserted into an opening formed on a side of the housing of an electrical field device for use in industrial control, the circuit board of the expansion module does not have any conductive connection to the electrical field device except in the contact region so that reliable electrical isolation between the interior of the device and the user is ensured.

Abstract: A current measuring transducer for measuring the current flowing through an electrical cable, with a ring probe, a sensor and an evaluation device for recording the current value obtained by the ring probe and the sensor, wherein the ring probe has an annular core, wherein the ring probe is divided into a basic ring section and at least one movable ring section, wherein the movable ring section defines an open and a closed state, wherein in the open state, a radial cable insert opening is opened, and wherein a circularly closed arrangement is created in the closed state of the movable ring section in which the annular core surrounds the cable, wherein the radial insertion of a cable extending axially relative to the current measuring transducer into the inside area of the ring probe transfers the ring section from one to the other state, and measurement of the current in the cable inserted into the inside area is made possible in the closed state.

Abstract: The object of the invention is a power supply device (12) having a control and/or regulating unit (22), a reference potential connection (26), at least one voltage potential connection (28), and a ground connection (30) for grounding the power supply device (12). It is provided that the power supply device has a permanent or switchable device internal short-circuit current path (40) between the reference potential connection (26) and the ground connection (30), a detection device (44) for the continuous or quasi-continuous detection of a current flowing through the short-circuit current path (46), which connects the detection device (44) with the control and/or regulating unit (22) in a signal technical manner. The invention further relates to a respective power supply system (10).

Abstract: Systems and methods for detachable attachment of an electrical conductor to a current transformer housing are disclosed. An illustrative device may comprise a current transformer housing, a holding element which is passed through the current transformer housing, and an attachment element which passes through the holding element, with the attachment element and/or the holding element resting at least partially on the surface of the electrical conductor when the electrical conductor is attached to the apparatus, the attachment element being rotatable about its longitudinal axis for attaching or releasing the electrical conductor. Moreover, the holding element may be rotatable about its longitudinal axis such that, in a first position, the holding element can be moved along its longitudinal axis for attaching or releasing the electrical conductor and, in a second position, the holding element cannot be moved along its longitudinal axis.

Abstract: A device for detachably fastening a current conductor to a current transformer housing, comprising the current transformer housing, a retaining element that is guided through the current transformer housing, a fastening element that is guided through the retaining element, and a clamping element (5). The fastening element and/or the retaining element are seated against at least some regions of the surface of the current conductor when the current conductor is fastened to the current transformer housing. The fastening element can be rotated about the longitudinal axis thereof so as to fasten and/or detach the current conductor. The clamping element is arranged movably on the current transformer housing so that, in a first position it allows a translatory displacement of the retaining element along the longitudinal axis. In a second position, the clamping element prevents the translatory displacement of the retaining element along the longitudinal axis thereof.

Abstract: The object of the invention is a power supply device (12) having a control and/or regulating unit (22), a reference potential connection (26), at least one voltage potential connection (28), and a ground connection (30) for grounding the power supply device (12). It is provided that the power supply device has a permanent or switchable device internal short-circuit current path (40) between the reference potential connection (26) and the ground connection (30), a detection device (44) for the continuous or quasi-continuous detection of a current flowing through the short-circuit current path (46), which connects the detection device (44) with the control and/or regulating unit (22) in a signal technical manner. The invention further relates to a respective power supply system (10).

Abstract: The invention relates to a device for detachably fastening a current conductor (10) to a current transformer housing (12) comprising a fastening element (16, 32), wherein the fastening element (16, 32) can be guided such that the fastening element (16, 32) at least partially contacts the surface of the current conductor (10) in a fastening state of the current conductor (10) on the current transformer housing (12). The invention is characterized in that the fastening element (16, 32) is implemented such that it performs a translatory displacement in the direction of the current conductor (10) when transitioning from an unfastened state to the fastened state of the current conductor (10) to the current transformer housing (12).

Abstract: The invention relates to a device for removably fixing a conductor (10) to a current transformer housing (12), comprising a fixing element (18) which runs through a retaining element (16) lying on the current transformer housing (12) and which sits at least partly against the surface of the conductor (10) when the conductor (10) is fixed on the current transformer housing (12). The invention is characterized in that the fixing element (18) runs around the circumferential surface of the conductor (10) in a looped manner when fixed.

Abstract: The invention relates to a device for removably fixing a conductor (10) to a current transformer housing (12), comprising a fixing element (16) which runs through a retaining element (14) lying on the current transformer housing (12) and which at least partly sits against the surface of the conductor (10) when the conductor (10) is fixed on the current transformer housing (12). According to the invention, the fixing element (16) is designed such that when the conductor (10) is brought from an unfixed state and fixed on the current transformer housing (12), the fixing element (16) carries out a translational movement within the retaining element (14) along the longitudinal axis (54) of said fixing element in the direction of the conductor (10) and subsequently a rotational movement about the longitudinal axis (54) of said fixing element.

Abstract: An electronic expansion module which has at least one circuit board, that has a contact region with contacts for mechanical and electrical contact-making with mating contacts connected to the circuit board of the expansion module and a circuit board recess formed such that, with the expansion module inserted into an opening formed on a side of the housing of an electrical field device for use in industrial control, the circuit board of the expansion module does not have any conductive connection to the electrical field device except in the contact region so that reliable electrical isolation between the interior of the device and the user is ensured.

Abstract: An electrical field device for use in industrial control with a housing, with at least one input, at least one output and an electronic circuit with a microcontroller, a memory and a circuit board. The electrical field device is easily adapted to different functions and conditions of use in that an opening is formed on one side of the housing for insertion of an electronic expansion module which has at least one circuit board, and in that the circuit board has a contact region with contacts for mechanical and electrical contact-making with mating contacts connected to the circuit board of the expansion, module and a circuit board recess formed such that an inserted expansion module does not have any conductive connection to the field device except in the contact region so that reliable electrical isolation between the interior of the device and the user is ensured.

Abstract: An electrical field device for use in industrial control with a housing, with at least one input, at least one output and an electronic circuit with a microcontroller, a memory and a circuit board. The electrical field device is easily adapted to different functions and conditions of use in that an opening is formed on one side of the housing for insertion of an electronic expansion module which has at least one circuit board, and in that the circuit board has a contact region with contacts for mechanical and electrical contact-making with mating contacts connected to the circuit board of the expansion, module and a circuit board recess formed such that an inserted expansion module does not have any conductive connection to the field device except in the contact region so that reliable electrical isolation between the interior of the device and the user is ensured.