发明名称 |
COMMUNICATION SYSTEM |
摘要 |
<p>A communication system comprising a programmable logic controller and a plurality of controlled devices connected to the programmable logic controller, wherein respective addresses have been assigned to the plurality of controlled devices in accordance with a predetermined rule and wherein when the programmable logic controller multicasts a request directed to the controlled devices, the plurality of controlled devices having received the request multicast respective responses to the request in an order determined on the basis of a predetermined rule.</p> |
申请公布号 |
EP2677693(A1) |
申请公布日期 |
2013.12.25 |
申请号 |
EP20110858984 |
申请日期 |
2011.12.14 |
申请人 |
HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD. |
发明人 |
MOCHIZUKI YOSHINORI;KOIZUMI MINORU;TAKAHASHI ICHIRO |
分类号 |
H04L12/40;G05B19/05;H04L29/12;(IPC1-7):H04L12/56 |
主分类号 |
H04L12/40 |
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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