EP 2080334 A1 20090722 - DEVICE FOR SENSING A FAULT CURRENT IN A FIELD BUS SYSTEM
Title (en)
DEVICE FOR SENSING A FAULT CURRENT IN A FIELD BUS SYSTEM
Title (de)
VORRICHTUNG ZUM SENSIEREN EINES FEHLERSTROMES IN EINEM FELDBUSSYSTEM
Title (fr)
DISPOSITIF POUR DÉTECTER UN COURANT DE DÉFAUT DANS UN SYSTÈME À BUS DE TERRAIN
Publication
Application
Priority
- EP 2007006907 W 20070804
- DE 102006048073 A 20061011
Abstract (en)
[origin: WO2008043404A1] The invention relates to an electric switching circuit for operating a bus of a field bus system comprising means for sensing a fault current. Said means comprise first means for determining a first current of a first bus line, second means for determining a second current of a second bus line and means for detecting a fault based on the first current and the second current.
IPC 8 full level
H04L 25/08 (2006.01); H04L 69/40 (2022.01)
CPC (source: EP US)
H04L 25/08 (2013.01 - EP US)
Citation (search report)
See references of WO 2008043404A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DE 102006048073 A1 20080417; CN 101523835 A 20090902; CN 101523835 B 20151021; EP 2080334 A1 20090722; US 2010033163 A1 20100211; US 8294474 B2 20121023; WO 2008043404 A1 20080417
DOCDB simple family (application)
DE 102006048073 A 20061011; CN 200780037708 A 20070804; EP 07786562 A 20070804; EP 2007006907 W 20070804; US 31163807 A 20070804