Abstract: For polling communication devices in a communication system including a host device and communication devices. The host device is connected to the communication devices via a clock line for transmitting a clock signal to the communication devices and via an arbitration line implemented with “AND” logic for receiving arbitration signal transmitted by the communication devices. Each communication device is associated with an address. Each communication device is configured to pull up or down the arbitration line for sending an arbitration signal according to the associated address when the communication device is ready to send data to the host device.

Abstract: For polling communication devices in a communication system including a host device and communication devices. The host device is connected to the communication devices via a clock line for transmitting a clock signal to the communication devices and via an arbitration line implemented with “OR” logic for receiving arbitration signal transmitted by the communication devices. Each communication device is configured to pull up or down the arbitration line for sending an arbitration signal when the communication device is ready to send data to the host device. Each communication device is configured to pull down the arbitration line for sending an arbitration signal when the communication device has no data to send to the host device.

Abstract: This invention relates to a treatment process for a material chosen from among a polyamide, a polyester and a poly(meth)acrylate. According to the invention, this process comprises a step in which contact is made between this material and a polar organic solvent in a supercritical fluid. This invention also relates to a process for manufacturing a part from a material chosen from among a polyamide, a polyester and a poly(meth)acrylate in a divided form. Finally, the invention relates to use of the material treated by the treatment process and to use of the part manufactured by the manufacturing process in the low voltage, medium voltage or high voltage electrical industry.

Abstract: A method for estimating the state of an electrical switching apparatus, the switching apparatus including separable electrical contacts configured to be coupled to an electrical conductor, and an electromagnetic actuator, controlled by a control circuit and including a movable core, coupled to the separable contacts, and a coil, which is passed through by a coil current. The method: includes measuring, by means of sensors associated with the coil, values of the coil current in a time interval, while the electromagnetic actuator is kept in a stable and in particular closed position, and computing, by means of an electronic control device of the switching apparatus, one or more values of a magnetic flux of the coil from the measured coil-current values, and using coil-voltage and coil-resistance values known beforehand.

Abstract: Embodiments of the present disclosure provide a control method and a control device for an electric switch, and an electric switch. The control method includes: obtaining a voltage signal representing a control voltage, the control voltage input to the electric switch and applied to an electromagnetic assembly of the electric switch via a regulation device of the electric switch; determining, based on the voltage signal obtained, a target control parameter for the electromagnetic assembly, the target control parameter comprising at least one of a target voltage and a target current; and generating, based on the target control parameter determined, a control signal for the regulation device, to cause the electromagnetic assembly to drive a movable contact of the electric switch to contact a static contact of the electric switch. The solution of the present disclosure can effectively reduce wear of contact points of contacts, to thus prolong the service life of the electric switch.

Abstract: Embodiments of system and methods for providing centralized management of a software defined automation (“SDA”) system are disclosed. The SDA system comprises of a collection of controller nodes and logically centralized and yet physically distributed collection of compute nodes by monitoring activities of the compute nodes. In accordance with some embodiments, one or more components of the system monitor execution, network and security environments of the system to detect an event in a first environment. In response to the detected event, at least one component in the first environment is remediated, the remediation of the first environment creating a trigger to cause remediation of at least one component in each of a second and third environments.

Abstract: A motor management device controls the supply of electrical power to a motor by controlling at least one switching member. To be more easily adaptable, the device includes a platform and a modular connector which is separate from the platform. The platform bears an electronic unit including a power supply module controlling the switching member, a monitoring module intended to detect a fault of the motor, a protection module that disconnects the power supply in the event of a fault and a control module that controls the power supply module. The modular connector includes interchangeable connection elements, and includes at least as many connection elements of control output type as the device controls switching members, each connection element connecting a switching member to the power supply module, as well as a connection element of state output type connected to the monitoring module and providing an item of fault information when the monitoring module detects a fault of the electric motor.

Abstract: A switching system for switching an electrical device, comprising: a vacuum interrupter including a fixed electrode, and a mobile electrode, the mobile electrode configured to move between a closed position and an open position. The switching system further comprising an elastic return means configured to apply a driving force to the mobile electrode, and a retaining member for retaining the elastic return means, the retaining member configured to move from a retention configuration, in which the elastic return means is immobilized, into a movement configuration, in which the elastic return means is released. The switching system is configured so that the mobile electrode moves from the closed position to the open position under the action of the elastic return means when the retaining member leaves its retention configuration.

Abstract: An execution environment for executing an event-oriented control program of a programmable logic controller, wherein the control program comprises a plurality of functional modules to be successively executed, is configured to execute the functional modules in an event-controlled manner on the occurrence of activation events that are each associated with the individual functional modules. In this respect, the individual activation events of the functional modules to be successively executed form an event chain. The execution environment comprises a monitoring module for monitoring an execution duration of the functional modules of the event chain, wherein the monitoring module is configured to check the execution duration for an exceeding of a predefined time duration.

Abstract: A system for time synchronization between multiple operating systems is provided, the system includes a Field Programmable Gate Array (FPGA) configured to obtain and maintain absolute time; and multiple operating systems (OS) that obtain the absolute time from the FPGA and perform time synchronization based on the obtained absolute time. According to the embodiments of the present disclosure, the system can solve the high accuracy time synchronization problem in a protection relay device with multiple operating systems.

Abstract: For sharing process data from a first controller to a least a second controller, the first controller and the second controller including respectively a first runtime environment and a second runtime environment to execute at least a distributed automation application and including respectively a first process data manager and a second process data manager to manage respectively a first process image and a second process image, the first process data manager and the second process data manager being linked respectively to a first set of communication devices and to a second set of communication devices via a first communication line and being linked between them via a second communication line, a system includes: the first controller retrieving process data from the distributed automation application or from a communication device of the first set of communication devices the first controller updating the first process image with the retrieved process data, the first controller sending the process data on

Abstract: An apparatus including: a host computing unit for operating the apparatus with operation functions, a control computing unit for operating the apparatus with critical control functions, a touchscreen system, comprising including; a touchscreen configured for receiving touch inputs to the touchscreen; a touchscreen controller communicatively coupled with the host computing unit and control computing unit and configured to detect a location of the touch inputs to the touchscreen; a display for presenting control widget relating to critical control functions in a critical control zone and graphical indicia relating to operation functions in a visualization zone, a mixer module communicatively coupled with the control computing unit and the host computing unit for mixing data flow coming from the control computing unit and the host computing unit with priority to the critical control module, the mixer module providing data flow coming from the control computing unit to the control zone of the display and pr

Abstract: A charging device, including a housing, a power module, a temperature sensor, a humidity sensor and a controller; the temperature sensor and the humidity sensor are respectively configured to collect a real-time temperature and a real-time relative humidity in an interior of the housing and provide the real-time temperature and real-time relative humidity to the controller; the controller compares the real-time temperature with a threshold temperature and the controller compares the real-time relative humidity with a threshold humidity; upon one of following conditions being met, the controller sets the power module to a heating dew-removal mode, the conditions includes: the real-time temperature is less than or equal to the threshold temperature and greater than 0 degree; the real-time relative humidity is greater than or equal to the threshold humidity; in the heating dew-removal mode. The present disclosure also relates to a method for preventing dew condensation of a charging device.

Abstract: A switching device includes a header, first and second magnets, first and second inductors, and a first magnetic sensing element aligned with the first magnet and the first inductor and a second magnetic sensing element aligned with the second magnet and the second inductor. The switching device further includes a printed circuit board (PCB) including an upper face on which are mounted the first and second magnetic sensing elements and a lower face on which are mounted the first and second inductors. When the switching device is operated, the header is pressed towards the PCB, the first and second magnets get closer respectively to the first and second magnetic sensing elements, which increases the magnetic flux through the magnetic sensing elements and changes the status of the switching device when a threshold is reached. The PCB further includes first and second microcontrollers configured to determine a state of the switching device.

Abstract: A method of controlling a drive, in particular an electric drive, of an industrial machine, in which method a drive control controls a drive motor and the drive motor drives a mechanical system having one or more coupled components. The drive control carries out a simulation of the mechanical system of the machine with a simulation model and performs a feedforward control of the drive motor based on the simulation.