EP 2831683 A1 20150204 - FAIL SAFE DISCOVERY AND ADDRESS ASSIGNMENT
Title (en)
FAIL SAFE DISCOVERY AND ADDRESS ASSIGNMENT
Title (de)
AUSFALLSICHERE ERKENNUNG UND ADRESSZUORDNUNG
Title (fr)
DÉCOUVERTE À SÉCURITÉ INTÉGRÉE ET ATTRIBUTION D'ADRESSE
Publication
Application
Priority
US 2012030541 W 20120326
Abstract (en)
[origin: WO2013147734A1] The disclosed embodiments relate to a programmable logic controller ("PLC") arrangement featuring a control device/module capable of being connected to one or more external devices/modules via a "daisy chain" topology where the control device and the one or more external devices are connected to each other in series, wherein communications from a transmitting device to a receiving device must past through, or otherwise be received and retransmitted by, each intervening device there between. In particular, the disclosed embodiments relate to a system and method by which the control device may be connected to an unknown number of external devices and wherein the control device may reliably discover and configure all of the external devices connected thereto, or otherwise detect errors thereby.
IPC 8 full level
G05B 19/05 (2006.01); H04L 29/12 (2006.01)
CPC (source: CN EP)
G05B 19/058 (2013.01 - CN EP); H04L 61/5038 (2022.05 - CN EP); G05B 2219/1113 (2013.01 - CN EP); G05B 2219/15072 (2013.01 - CN EP); H04L 61/5046 (2022.05 - CN EP)
Citation (search report)
See references of WO 2013147734A1
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2013147734 A1 20131003; CN 104285190 A 20150114; EP 2831683 A1 20150204
DOCDB simple family (application)
US 2012030541 W 20120326; CN 201280073165 A 20120326; EP 12712498 A 20120326