The present disclosure discloses a control method, a control device and a lighting system. The method includes: sequentially scanning short addresses of all slave devices accessing the master device; allocating a short address to a slave device that does not have a short address; and reallocating a duplicate short address determined in a process of sequentially scanning the short addresses of all the slave devices accessing the master device.

A controller for a wireless digital addressable lighting interface (DALI) compatible system comprises physical layer circuitry configured to communicate information wirelessly with one or more secondary devices of the DALI system, and processing circuitry operatively coupled to the physical layer circuitry. The processing circuitry is configured to encode a forward packet to be sent to a secondary device of the one or more secondary devices. The forward packet includes an extended address that includes an address of the secondary device and an address of a DALI luminary device of the DALI system connected to the secondary device.

An extension module for function extension of a network assembly is provided, wherein the network assembly has a communication bus for providing communication between a logic unit of a base module of the network assembly and one or more extension modules, in particular one or more function devices and/or communication modules, and wherein the extension module is designed to be connected to the communication bus of the network assembly for function extension or function provision of the network assembly in order to provide at least one additional function of an electrical load connected to the network assembly.

A system for providing power over Ethernet illuminated signage is provided. The system includes receiving lighting instructions via an Ethernet compatible communications protocol, translating those instructions to a lower bandwidth, slower protocol while passing through DC power. Illumination fixtures are powered by the passed-through power and operated in accordance with the translated instructions.

A method for configuring a luminaire system comprising a first device and a second device, and a control line between said first device and said second device, wherein said second device is configurable to send and/or receive signals through the control line to/from the first device using any one of a plurality of different protocols, and wherein said first device is configured to use one of the plurality of different protocols, the method comprising: measuring at least one value representative for an impedance of the first device as seen from the control line, such as a voltage and/or current at the control line; based on the at least one measured value, selecting a corresponding protocol of said plurality of protocols; and configuring the second device to use the selected corresponding protocol.

The invention relates to a building technology device (100), for example an LED driver (200), comprising: a first control unit (101) and a second control unit (103), wherein the first control unit (101) is configured to execute a software, and wherein the second control unit (103) is configured to execute a further software, in particular an embedded software of the building technology device (100); an interface unit (105) arranged between the first control unit (101) and the second control unit (103); wherein the interface unit (105) comprises at least one external interface (107, 113) which is connectable to an external device (301); and wherein the at least one external interface (107, 113) is adapted to facilitate a selective communication between the external device (301) and the first control unit (101) and independently between the external device (301) and the second control unit (103).

The system includes at least one light projector designed for focused projection of the image onto the surface of the road crossing. The light projector is connected with the control unit and is designed for projection of various images onto the persons and road in the place of crossing. The image from the light projector includes circles, polygons, strips, squares, rectangles, and combinations thereof, which are separated by surfaces of different color or different level of illumination. There are sharp, contrasting boundaries between individual, usually repeating elements of the image. In the preferable arrangement the system includes at least one sensor of the physical values of the environment connected to the control unit and eventually a camera and/or vehicle speed sensor and/or sensor of physiological values of the persons in the vicinity of the road crossing, too. The system can include a speaker connected to the control unit.

A driver for a lighting device includes a light emitting diode (LED) driver circuit utilizing interface elements for supporting multiple control connectivity options, the LED driver circuit utilizing a processor having a physical layer interfaces coupled to the interface elements and configured to operatively support a plurality of network protocols, the processor being configured to perform a plurality of functions, including a function of providing a bridge or gateway between network protocols of the plurality of network protocols, the processor being configured to: detect available network protocols of the plurality of network protocols; select, for a physical layer interface, a mode of operation (from modes of operation including, for example: an inactive mode, a monitoring mode, a gateway mode, and a primary mode) appropriate to ensure interoperability and backward compatibility for the available network protocols; and assign one or more of the available network protocols to the physical layer interface(s).

A driver for a lighting device includes a light emitting diode (LED) driver circuit utilizing interface elements for supporting multiple control connectivity options, the LED driver circuit utilizing a processor having a physical layer interfaces coupled to the interface elements and configured to operatively support a plurality of network protocols, the processor being configured to perform a plurality of functions, including a function of providing a bridge or gateway between network protocols of the plurality of network protocols, the processor being configured to: detect available network protocols of the plurality of network protocols; select, for a physical layer interface, a mode of operation (from modes of operation including, for example: an inactive mode, a monitoring mode, a gateway mode, and a primary mode) appropriate to ensure interoperability and backward compatibility for the available network protocols; and assign one or more of the available network protocols to the physical layer interface(s).

A driver for a lighting device includes a light emitting diode (LED) driver circuit utilizing interface elements for supporting multiple control connectivity options, the LED driver circuit utilizing a processor having a physical layer interfaces coupled to the interface elements and configured to operatively support a plurality of network protocols, the processor being configured to perform a plurality of functions, including a function of providing a bridge or gateway between network protocols of the plurality of network protocols, the processor being configured to: detect available network protocols of the plurality of network protocols; select, for a physical layer interface, a mode of operation (from modes of operation including, for example: an inactive mode, a monitoring mode, a gateway mode, and a primary mode) appropriate to ensure interoperability and backward compatibility for the available network protocols; and assign one or more of the available network protocols to the physical layer interface(s).