发明名称 |
Control apparatus having remote PLC device and control method for same |
摘要 |
In a control apparatus including a main control section and a plurality of remote PLC devices each connected to the main control section, the main control section has a PLC computing unit controlling the entire system and a remote PLC communication control section executing data transaction via a communication line with the plurality of remote PLC devices, and each remote PLC device including a communication control section executing data transaction via a communication line with the main control section, a memory section for storing therein a sequence program transmitted through the communication line and specified to the remote PLC device, a machine input/output I/F section for executing data transaction with external machine controlled by the remote PLC device, and a PLC computing section for executing PLC processing according to a sequence program and based at least on data transmitted from the main control section and data obtained from the machine input/output I/F section.
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申请公布号 |
US5963444(A) |
申请公布日期 |
1999.10.05 |
申请号 |
US19970819766 |
申请日期 |
1997.03.18 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
SHIDARA, TATSUYA;YAMASHITA, AKIHIRO |
分类号 |
G05B19/05;G05B19/418;(IPC1-7):G06F19/00 |
主分类号 |
G05B19/05 |
代理机构 |
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地址 |
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