Busschnittstelle und ein Verfahren zur Verhinderung einer Verriegelungssituation

Details

Veröffentlichungs-Nr.

EP3651553

Aktenzeichen

EP18204500

Anmeldetag

6. November 2018

Veröffentlichung

8. September 2021

Erteilung

8. September 2021

Rechtsraum

EP

IPC

H05B47/18

Abstract

The present invention relates to a module for providing a powered interface, comprising at least one terminal configured to connect a bus having a non-zero DC voltage level in the quiet state; an internal power supply configured to supply a connected bus with DC power, wherein the internal power supply is designed such that it can be switched off; and a control circuitry configured to control the internal power supply, and communicate by receiving and/or sending signals over the bus. The control circuitry of the driver circuit is further configured to carry out the following steps upon receipt of an internal power supply switch-off command: switching off the internal power supply and detecting the bus voltage level at a predetermined time after switching off the internal power supply; and continuing the switched-off state of the internal power supply, when it is determined that the detected bus voltage level is above a threshold value; and switching on again the internal power supply and/or sending out a message over the bus, when it is determined that the detected bus voltage level at the predetermined time after switching off drops to or below the threshold value.

Anmelder

Firma

Tridonic GmbH & Co. KG

Land

🇦🇹 Österreich

Fachgebiete