The invention relates to a method for monitoring a field device which is linked with a control unit via a data bus. According to the inventive method, said control device requests an individual identification key of the field device at a time interval and compares said identification key with a stored identification key.
申请公布号
WO2004109411(A3)
申请公布日期
2005.05.06
申请号
WO2004EP06216
申请日期
2004.06.09
申请人
ENDRESS + HAUSER PROCESS SOLUTIONS AG;DE GROOT, VINCENT;ZUMOBERHAUS, PHILIPP
