EP 2586051 B1 20190109 - SAFETY CIRCUIT ARRANGEMENT FOR THE FAIL-SAFE CONNECTION OR DISCONNECTION OF A HAZARDOUS INSTALLATION
Title (en)
SAFETY CIRCUIT ARRANGEMENT FOR THE FAIL-SAFE CONNECTION OR DISCONNECTION OF A HAZARDOUS INSTALLATION
Title (de)
SICHERHEITSSCHALTUNGSANORDNUNG ZUM FEHLERSICHEREN EIN- ODER AUSSCHALTEN EINER GEFÄHRLICHEN ANLAGE
Title (fr)
MONTAGE DE SÉCURITÉ PERMETTANT DE METTRE SOUS OU HORS TENSION UNE INSTALLATION DANGEREUSE EN TOUTE SÉCURITÉ
Publication
Application
Priority
- DE 102010025675 A 20100625
- EP 2011060444 W 20110622
Abstract (en)
[origin: WO2011161158A1] A safety circuit arrangement for the fail-safe connection or disconnection of a hazardous installation (24) has a control device (12) which is designed to connect or interrupt, in failsafe fashion, a power supply path (20) to the installation (24). The safety circuit arrangement also has a signalling device (14) which is connected to the control device (12) via a number of lines (50, 52). The signalling device (14) has an actuator (40) which can change between a defined first state and a second state (40'). A pulse generator (42) in the signalling device (14) is designed to generate a defined pulsed signal (44) with a large number of signal pulses (46) on the lines (50, 52) when the actuator (40) is in the defined first state. According to one aspect of the invention, the signalling device (14) is connected to the control device (12) via a two-wire line (54) with a first and a second core (50, 52). A predominantly constant voltage is present between the two cores (50, 52) when the actuator (40) is in the second state. The pulse generator (42) is designed to bring about a voltage dip between the first core (50) and the second core (52) in order to generate the large number of signal pulses (46).
IPC 8 full level
H01H 47/00 (2006.01)
CPC (source: EP US)
H01H 47/005 (2013.01 - EP US)
Citation (examination)
DE 102004020997 A1 20051103 - PILZ GMBH & CO KG [DE]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
DE 102010025675 B3 20111110; CN 103081052 A 20130501; CN 103081052 B 20160608; EP 2586051 A1 20130501; EP 2586051 B1 20190109; JP 2013529832 A 20130722; JP 5778268 B2 20150916; US 2013113304 A1 20130509; US 9293285 B2 20160322; WO 2011161158 A1 20111229
DOCDB simple family (application)
DE 102010025675 A 20100625; CN 201180041121 A 20110622; EP 11726815 A 20110622; EP 2011060444 W 20110622; JP 2013515882 A 20110622; US 201213721620 A 20121220