发明名称 |
Device for sensing a fault current in a field bus system |
摘要 |
The invention relates to an electric switching circuit for operating a bus of a field bus system comprising means for sensing a fault current. Said means comprise first means for determining a first current of a first bus line, second means for determining a second current of a second bus line and means for detecting a fault based on the first current and the second current.
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申请公布号 |
US2010033163(A1) |
申请公布日期 |
2010.02.11 |
申请号 |
US20070311638 |
申请日期 |
2007.08.04 |
申请人 |
AHRENS OLAF;BODE JUERGEN;FRUEHAUF JENS;GOERS ANDREAS |
发明人 |
AHRENS OLAF;BODE JUERGEN;FRUEHAUF JENS;GOERS ANDREAS |
分类号 |
G01R19/00 |
主分类号 |
G01R19/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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