<p>An abnormal signal propagation preventing device is arranged in a field bus having a trunk line and a plurality of branch lines connecting a plurality of process devices to the trunk line. The abnormal signal propagation preventing device detects an abnormal signal propagating from a branch line to the trunk line and disconnects the abnormal branch line which has outputted the abnormal signal.</p>
申请公布号
WO2009066455(A1)
申请公布日期
2009.05.28
申请号
WO2008JP03407
申请日期
2008.11.20
申请人
AKABANE, KUNIHARU;YOKOGAWA ELECTRIC CORPORATION;HAYASHI, SHUNSUKE;HABAGUCHI, KENJI