发明名称 |
Signal relay device, communication network system and operation system |
摘要 |
A signal relay device, a communication network system and an operation system include: a standardized logic interface conversion unit for judging a control system type or a device type and converting a signal to a signal appropriate for a communication network; or a device side logic interface conversion unit for converting a signal from the communication network to a signal appropriate for the control system type or the device type. An operation monitoring station includes a an advanced control block for the control system or the device and transmits a control signal to the communication network.
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申请公布号 |
US7999661(B2) |
申请公布日期 |
2011.08.16 |
申请号 |
US20050631268 |
申请日期 |
2005.06.23 |
申请人 |
YOKOGAWA ELECTRIC CORPORATION |
发明人 |
UCHIDA ISAO;NOGUCHI MASANORI;TOMITA TOSHIRO;HOSHI TETSUO;DEMACHI KOJI;OGAWA TOSHIKI;SAITO YOJI;TAKAHASHI HIROFUMI |
分类号 |
H04B3/36;H04B3/58 |
主分类号 |
H04B3/36 |
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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