公开(公告)号：US20060282506A1

公开(公告)日：2006-12-14

申请号：US11446590

申请日：2006-06-05

申请人： Norio Furuishi ,  Masanori Fujikawa

发明人： Norio Furuishi ,  Masanori Fujikawa

IPC分类号： G06F15/16

CPC分类号： H04L12/403 ,  G05B19/052 ,  G05B2219/1208 ,  G05B2219/1215

摘要： The present invention provides a communication master station startup period control method of being able to securely prevent malfunction of a PLC system, even if at least two communication master stations are connected to the PLC system which permits only one communication master station on the network. After the startup, when it is determined that the communication master stations exist redundantly by a master plurality determination process performed in advance of a link establishment process, the transition to a predetermined master plurality avoidance process is made without making the transition to the link establishment process. Further, when it is determined that the communication master stations exist redundantly by the master plurality determination process performed in parallel with the link establishment process, the transition to the predetermined master plurality avoidance process is made without making the transition to an operation state.

摘要翻译： 本发明提供一种能够可靠地防止PLC系统的故障的通信主站启动时段控制方法，即使至少两个通信主站连接到仅允许网络上的一个通信主站的PLC系统。 在启动之后，当通过在链路建立处理之前执行的主多重确定处理来确定通信主站冗余地存在时，进行到预定的主多重回避处理的过渡而不转变到链路建立进程 。 此外，当通过与链路建立处理并行执行的主多重确定处理确定通信主站冗余存在时，进行到预定的主多重回避处理的过渡而不转换到操作状态。

公开(公告)号：US08392634B2

公开(公告)日：2013-03-05

申请号：US12036934

申请日：2008-02-25

申请人： Tomohisa Ishino ,  Norio Furuishi

发明人： Tomohisa Ishino ,  Norio Furuishi

IPC分类号： G06F3/00 ,  G06F5/00

CPC分类号： G05B19/054 ,  G05B2219/15077 ,  G05B2219/25035 ,  H05K7/1484

摘要： A PLC of building block type includes a switch module incorporating a switch part having N-to-N switch function between serial communication lines with a plurality of lines and a plurality of device modules individually incorporating device systems with various advanced-function device module characteristics. A CPU system having CPU functions of the PLC may be incorporated in the switch module, the switch module incorporating the CPU system and the plurality of device modules being connected together into a single body in a building block structure through module-connecting mechanisms. Dedicated serial communication lines each with a single line or a plurality of lines connect between the switch module incorporating the CPU system and each of the plurality of device modules such that a star-shaped serial communication network is formed with the switch module incorporating the CPU system as a central node and each of the plurality of device modules as a peripheral node.

摘要翻译： 构成块型PLC包括：具有在具有多条线路的串行通信线路之间具有N-N开关功能的开关部件的开关模块以及分别结合具有各种先进功能器件模块特性的器件系统的多个器件模块。 具有PLC的CPU功能的CPU系统可以并入到开关模块中，通过模块连接机构将包含CPU系统的开关模块和多个设备模块通过模块连接机构连接在一起构成单元体。 专用串行通信线路各自具有单条线路或多条线路，在包含CPU系统的开关模块和多个设备模块中的每一个之间连接，使得形成星形串行通信网络，其中结合有CPU系统的开关模块 作为中央节点，并且多个设备模块中的每一个作为外围节点。

公开(公告)号：US20080222325A1

公开(公告)日：2008-09-11

申请号：US12036934

申请日：2008-02-25

申请人： Tomohisa Ishino ,  Norio Furuishi

发明人： Tomohisa Ishino ,  Norio Furuishi

IPC分类号： G06F3/00 ,  G06F13/00

CPC分类号： G05B19/054 ,  G05B2219/15077 ,  G05B2219/25035 ,  H05K7/1484

摘要： A PLC of building block type includes a switch module incorporating a switch part having N-to-N switch function between serial communication lines with a plurality of lines and a plurality of device modules individually incorporating device systems with various advanced-function device module characteristics. A CPU system having CPU functions of the PLC may be incorporated in the switch module, the switch module incorporating the CPU system and the plurality of device modules being connected together into a single body in a building block structure through module-connecting mechanisms. Dedicated serial communication lines each with a single line or a plurality of lines connect between the switch module incorporating the CPU system and each of the plurality of device modules such that a star-shaped serial communication network is formed with the switch module incorporating the CPU system as a central node and each of the plurality of device modules as a peripheral node.

摘要翻译： 构成块型PLC包括：具有在具有多条线路的串行通信线路之间具有N-N开关功能的开关部件的开关模块以及分别结合具有各种先进功能器件模块特性的器件系统的多个器件模块。 具有PLC的CPU功能的CPU系统可以并入到开关模块中，通过模块连接机构将包含CPU系统的开关模块和多个设备模块通过模块连接机构连接在一起构成单元体。 专用串行通信线路各自具有单条线路或多条线路，在包含CPU系统的开关模块和多个设备模块中的每一个之间连接，使得形成星形串行通信网络，其中结合有CPU系统的开关模块 作为中央节点，并且多个设备模块中的每一个作为外围节点。

公开(公告)号：US07852790B2

公开(公告)日：2010-12-14

申请号：US11446590

申请日：2006-06-05

申请人： Norio Furuishi ,  Masanori Fujikawa

发明人： Norio Furuishi ,  Masanori Fujikawa

IPC分类号： G06F13/40

CPC分类号： H04L12/403 ,  G05B19/052 ,  G05B2219/1208 ,  G05B2219/1215

摘要： The present invention provides a communication master station startup period control method of being able to securely prevent malfunction of a PLC system, even if at least two communication master stations are connected to the PLC system which permits only one communication master station on the network. After the startup, when it is determined that the communication master stations exist redundantly by a master plurality determination process performed in advance of a link establishment process, the transition to a predetermined master plurality avoidance process is made without making the transition to the link establishment process. Further, when it is determined that the communication master stations exist redundantly by the master plurality determination process performed in parallel with the link establishment process, the transition to the predetermined master plurality avoidance process is made without making the transition to an operation state.

摘要翻译： 本发明提供一种能够可靠地防止PLC系统的故障的通信主站启动时段控制方法，即使至少两个通信主站连接到仅允许网络上的一个通信主站的PLC系统。 在启动之后，当通过在链路建立处理之前执行的主多重确定处理来确定通信主站冗余地存在时，进行到预定的主多重回避处理的过渡而不转变到链路建立进程 。 此外，当通过与链路建立处理并行执行的主多重确定处理确定通信主站冗余存在时，进行到预定的主多重回避处理的过渡而不转换到操作状态。