Global Patent Index - EP 1109177 B1

EP 1109177 B1 20040428 - Method for switching a load

Title (en)

Method for switching a load

Title (de)

Verfahren zum Schalten einer Last

Title (fr)

Procédé pour commuter une charge

Publication

EP 1109177 B1 20040428 (DE)

Application

EP 00127552 A 20001215

Priority

  • DE 19961029 A 19991216
  • DE 10013928 A 20000321

Abstract (en)

[origin: EP1109177A2] The method involves switching a switching voltage suddenly to a first predetermined voltage corresponding to the rated load voltage, detecting the load current in a first time interval, holding the voltage constant until a switch-off time if the load current falls or remains the same during the time interval, and performing sudden or timed reduction of the switching voltage to a maximum value if the load current increases during the time interval. Independent claims are also included for the following: a circuit for implementing the method and a digital output unit for a speech programmable controller.

IPC 1-7

H01F 7/18

IPC 8 full level

H01F 7/18 (2006.01); H01H 47/00 (2006.01)

CPC (source: EP)

H01F 7/1844 (2013.01); H01H 47/002 (2013.01); H01H 2047/008 (2013.01); H01H 2047/046 (2013.01)

Designated contracting state (EPC)

AT CH DE ES FR GB LI

DOCDB simple family (publication)

EP 1109177 A2 20010620; EP 1109177 A3 20020417; EP 1109177 B1 20040428; AT E265738 T1 20040515; DE 50006237 D1 20040603; ES 2219253 T3 20041201

DOCDB simple family (application)

EP 00127552 A 20001215; AT 00127552 T 20001215; DE 50006237 T 20001215; ES 00127552 T 20001215