Abstract: A pipeline system includes a pipeline portion; at least one sensor on the pipeline portion for measuring a physical property of the pipeline portion or of a fluid inside the pipeline portion; and an electromagnetic field source distributed along the pipeline portion and creating an electromagnetic field around the pipeline portion, the at least one sensor including an accumulator for storing an electric charge induced in the accumulator when the sensor is subject to the electromagnetic field created by the electromagnetic field source, the accumulator being able to power the at least one sensor by way of the stored electric charge.

Abstract: A subsea communication adapter for providing communication between a first subsea unit including a communication interface operating according to a first communication method and a second subsea unit including a communication interface operating according to a second communication method is provided. The subsea communication adapter includes a first communication interface operating according to the first communication method and a second communication interface operating according to the second communication method. A conversion unit is configured to convert between the first communication method and the second communication method. The conversion includes at least a conversion between a first communication protocol of the first communication method and a second communication protocol of the second communication method.

Abstract: A network switch includes: a plurality of communication ports, each communication port of the plurality of communication ports having a first electrical output terminal and a second electrical output terminal configured for providing an electrical output signal between the first electrical output terminal and the second electrical output terminal. The network switch is configured to electrically switch off the electrical output signal of at least one communication port of the plurality of communication ports.

Abstract: A subsea data communication interface unit for enabling data communication over a subsea data transmission line is disclosed. The subsea data communication interface unit includes at least an electrical interface for providing an electrical connection to the subsea data transmission line and a transmitter adapted to generate a data signal corresponding to the data to be transmitted. To obtain stable, robust and reliable communication, it is proposed that the subsea data communication interface unit includes a first voltage amplifier connected between the transmitter and the electrical interface. The first voltage amplifier is configured to convert the data signal generated by the transmitter from a lower voltage signal to a higher voltage signal.

Abstract: A pipeline system includes a pipeline portion; at least one sensor on the pipeline portion for measuring a physical property of the pipeline portion or of a fluid inside the pipeline portion; and an electromagnetic field source distributed along the pipeline portion and creating an electromagnetic field around the pipeline portion, the at least one sensor including an accumulator for storing an electric charge induced in the accumulator when the sensor is subject to the electromagnetic field created by the electromagnetic field source, the accumulator being able to power the at least one sensor by way of the stored electric charge.

Abstract: A method for controlling a pipeline system is provided. The method includes powering on an electrical heating source for heating the pipeline system. The method further includes powering off the electrical heating source, powering at least a sensor along the pipeline system for measuring a physical property, and communicating the measured data to a remote communication destination.

Abstract: A subsea communication device is configured for data communication with a topside device over a first communication link. The subsea communication device includes a plurality of second interface units for data communication with plural subsea units over second communication links which are point-to-point communication links. A processing circuit of the subsea communication device is provided for signal and data conversion.

Abstract: A subsea communication adapter for providing communication between a first subsea unit including a communication interface operating according to a first communication method and a second subsea unit including a communication interface operating according to a second communication method is provided. The subsea communication adapter includes a first communication interface operating according to the first communication method and a second communication interface operating according to the second communication method. A conversion unit is configured to convert between the first communication method and the second communication method. The conversion includes at least a conversion between a first communication protocol of the first communication method and a second communication protocol of the second communication method.

Abstract: A subsea broadcast serial bus system includes a broadcast serial bus having a first signal line and a second signal line. One or more nodes are connected in parallel to the first signal line and the second signal line of the broadcast serial bus. Each node connects the first signal line to the second signal line via a node impedance. A subsea node connected to the broadcast serial bus includes an adjustable impedance that may be adjusted based on the number of nodes connected to the broadcast serial bus.

Abstract: A subsea communication system and its method of operating are provided. A subsea power distribution module of the subsea communication system may be adapted to be connected to a topside power supply of a topside installation and to distribute electric power received from topside power supply to subsea modules. A first communication connection to the subsea power distribution module may be adapted to provide a data communication with the topside installation. A second communication connection between the subsea power distribution module and a subsea module may be provided. The subsea power distribution module may forward data communications received on the first communication connection to the subsea module via the second communication connection.

Abstract: A subsea data communication interface unit for enabling data communication over a subsea data transmission line is disclosed. The subsea data communication interface unit includes at least an electrical interface for providing an electrical connection to the subsea data transmission line and a transmitter adapted to generate a data signal corresponding to the data to be transmitted. To obtain stable, robust and reliable communication, it is proposed that the subsea data communication interface unit includes a first voltage amplifier connected between the transmitter and the electrical interface. The first voltage amplifier is configured to convert the data signal generated by the transmitter from a lower voltage signal to a higher voltage signal.

Abstract: A canister is disclosed for housing an electronic component. The canister includes a wall section with an inner wall surface directed to an inner volume of the canister. The inner wall surface includes a guiding structure with at least one guiding channel for guiding a medium inside the inner volume along the inner wall surface.

Abstract: A method for controlling a pipeline system is provided. The method includes powering on an electrical heating source for heating the pipeline system. The method further includes powering off the electrical heating source, powering at least a sensor along the pipeline system for measuring a physical property, and communicating the measured data to a remote communication destination.

Abstract: A network switch includes: a plurality of communication ports, each communication port of the plurality of communication ports having a first electrical output terminal and a second electrical output terminal configured for providing an electrical output signal between the first electrical output terminal and the second electrical output terminal. The network switch is configured to electrically switch off the electrical output signal of at least one communication port of the plurality of communication ports.

Abstract: A method for configuring a device to receive an electrical input signal includes: generating the electrical input signal in compliance with a predetermined communication technology; performing a measurement of the electrical input signal; selecting, based on a result of the measurement, the predetermined communication technology for receiving the electrical input signal at the device from a plurality of available communication technologies supported by the device; and actuating the device to receive the electrical input signal according to the predetermined communication technology.

Abstract: A subsea control system may include a computer unit including a printed circuit board that contains a central processing unit, and a socket for holding at least one memory card, whereby the computer unit has a screw hole, a wedged plate is fixed above at least a part of the socket by a screw which is screwed into the screw hole for fixing the at least one memory card placed in the socket.

Abstract: A subsea data communication system and a method of performing a data communication between a topside control system and a subsea installation are provided. The topside control system includes a topside low frequency modem adapted to perform a data communication in a first frequency range, and the subsea installation includes a subsea low frequency modem adapted to perform a data communication in the first frequency range. The topside low frequency modem is coupled to a subsea low frequency modem by a data transmission line of an umbilical that connects the topside control system to the subsea installation.

Abstract: An electrical subsea node for communicating data between at least one sensor at a sea bottom and a topside unit above the sea surface may include: a water tight container; a first electronic module extending in a first area of a first area size in a plane of a maximal spatial extent of the first electronic module; and at least one second electronic module extending in a second area of a second area size in a plane of a maximal spatial extent of the second electronic module, wherein the first and second electronic modules are coupled for data communication and arranged inside the container to form a module arrangement extending in an arrangement area of an arrangement area size in a plane of a maximal spatial extent of the module arrangement, wherein the arrangement area size is smaller than a sum of the first and second area sizes.

Abstract: A subsea data communication system and a method of performing a data communication between a topside control system and a subsea installation are provided. The topside control system includes a topside low frequency modem adapted to perform a data communication in a first frequency range, and the subsea installation includes a subsea low frequency modem adapted to perform a data communication in the first frequency range. The topside low frequency modem is coupled to a subsea low frequency modem by a data transmission line of an umbilical that connects the topside control system to the subsea installation.

Abstract: A subsea communication system and its method of operating are provided. A subsea power distribution module of the subsea communication system may be adapted to be connected to a topside power supply of a topside installation and to distribute electric power received from topside power supply to subsea modules. A first communication connection to the subsea power distribution module may be adapted to provide a data communication with the topside installation. A second communication connection between the subsea power distribution module and a subsea module may be provided. The subsea power distribution module may forward data communications received on the first communication connection to the subsea module via the second communication connection.