WO2013183140A1 - モーションコントローラ装置と同装置における通信方法 - Google Patents
モーションコントローラ装置と同装置における通信方法 Download PDFInfo
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- WO2013183140A1 WO2013183140A1 PCT/JP2012/064653 JP2012064653W WO2013183140A1 WO 2013183140 A1 WO2013183140 A1 WO 2013183140A1 JP 2012064653 W JP2012064653 W JP 2012064653W WO 2013183140 A1 WO2013183140 A1 WO 2013183140A1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33136—Com: communication, inter processor communication, either local or network
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/34—Director, elements to supervisory
- G05B2219/34208—Motion controller
Definitions
- the present invention relates to, for example, a motion controller apparatus incorporated in an industrial machine or the like to control a control target apparatus connected by a network, and a method of communicating information in the same apparatus.
- the motion controller is composed of a central communication device that controls the entire controller and a plurality of terminal communication devices that directly drive control target devices such as sensors and actuators, and these central communication devices and a plurality of terminal communication devices are connected by communication lines. It connects by the form of multi-drop, daisy chain, etc., and is used by constructing a network.
- the motion controller executes control by the central communication device and the terminal communication device transmitting and receiving device control information and sensor input information via the network.
- the motion controller network can be configured to be branch-connectable by a connection form such as point-to-point.
- a connection form such as point-to-point.
- a plurality of communication paths may be configured for one terminal communication apparatus.
- a technology Japanese Patent Application Laid-Open No. 2001-147118
- a communication line connection method As well as making the system more difficult, it takes a lot of man-hours to adjust the communication configuration and the connection configuration to satisfy the response performance required for each control target device.
- the present invention has been made in view of the problems of the conventional system described above, and the main object of the present invention is to connect communication lines between communication ports in the construction of a branchable network by point-to-point. It is an object of the present invention to provide a motion controller device which eliminates the restriction of the above and reduces the number of man-hours when the controller is applied, and a method of communicating information in the same device. That is, each control target device is requested by configuring a network having a plurality of communication paths for one terminal communication device and dynamically changing the communication paths according to the communication data amount of the communication line. A motion controller device that guarantees response performance and a communication method therefor.
- one or more terminal communication devices that execute input / output operations or control processing to a control target device are connected to the terminal communication device using a network.
- a motion controller unit comprising a central communication unit, and a transmission path is provided between at least one communication port of the central communication unit and any one communication port of the terminal communication unit.
- a transmission path is provided between at least one communication port of the terminal communication device and any one communication port of the central communication device or any one communication port of another terminal communication device,
- a motion controller device is provided, which configures a network, and the terminal communication device can connect a plurality of transmission paths of the network.
- a communication port comprising one or more communication channels for full duplex transmission, and, for each communication port, the same communication channel as the communication port
- a communication signal transmitting / receiving unit comprising a combination of a communication signal receiving unit performing reception processing of the communication signal of the network and a communication signal transmitting unit performing the transmission processing of the communication signal of the network
- an identification number setting unit for setting the identification number, and control of a control target device based on a control command transferred from the central communication device via the network, or the central communication device
- a device control unit for operating input / output information transmitted and received via a network, and one communication port for transferring communication data when performing communication with the central communication apparatus via the network
- the central communication device further stores a communication cost which is information representing a delay time of communication for communication with a terminal communication device connected to a network.
- a central communication cost storage unit a communication path control setting information storage unit for storing communication path control information which is information indicating a changing method when each terminal communication apparatus changes the communication path of the network;
- a communication state information storage unit for storing communication state information on a network, a communication path information storage unit for storing communication path information that is information representing a network path to each terminal communication device, and a terminal communication device
- a communication data amount setting information storage unit for storing communication data amount setting information, which is setting information of a communication data communication data limit amount.
- the terminal communication apparatus further includes: a communication data amount storage unit for storing a communication data limit amount of the communication line connected to the terminal communication apparatus; and information indicating a change method when changing the communication path of the network It is preferable that the communication path control information setting unit set the communication path control information.
- the communication method in the motion controller device described above wherein the terminal communication device is controlled by the transmission / reception switching control unit of the communication signal control unit.
- the transmission operation and the reception operation of the communication signal transmission and reception unit are determined so that the communication signal transmission and reception unit of the communication signal transmission and reception unit is switched such that the communication signal of full duplex is normally transmitted in all the transmission paths.
- the central communication device transmits communication data including a communication port number which is an individual number set to each communication port from all communication ports of its own, and the terminal communication device is transmitted from the central communication device
- a communication port is a communication port which is an individual number set in the communication port, with the communication port received first as the upstream port among all the communication ports of its own.
- Port number and the communication port number included in the communication data received at this time are stored in the upstream port number storage unit, and thereafter, the central communication device is the communication port number of its own communication port to which communication data is transmitted. And communication data including an identification number set in the terminal communication apparatus to the terminal communication apparatus via the communication port of the terminal communication apparatus, the terminal communication apparatus being connected from the upstream port specified by the upstream port number storage unit If the communication data from the central communication device is received and the identification number of the communication data matches the identification number set for itself, the communication data is taken into itself, and the identification number for the communication data is set for itself. If it does not match the identification number, the communication data is transmitted from all the other communication ports, and the communication data received from the other communication ports is transmitted.
- the communication data is transmitted from the upstream communication port, and when it does not match, When discarding the communication data and the terminal communication device transmits communication data to the central communication device from itself, the communication port number of the central communication device stored in the upstream port number storage unit, and the device A communication method in a motion controller device is provided, which transmits communication data including an identification number set to itself to the central communication device via an upstream port.
- the central communication device further includes information representing a delay time of communication for communication with a terminal communication device connected to a network.
- a central communication cost storage unit for storing a certain communication cost; and a communication route control setting information storage unit for storing communication route control information which is information indicating a changing method when each terminal communication apparatus changes the communication route of the network;
- a communication state information storage unit for storing communication state information on the network of each terminal communication apparatus, a communication path information storage unit for storing communication path information that is information indicating a path of the network to each terminal communication apparatus, and a terminal Communication data amount setting information for storing communication data amount setting information, which is setting information of communication data limit amount of communication line set in the communication device
- the terminal communication device further includes a communication data amount storage unit for storing a limited amount of communication data of a communication line connected to the terminal communication device, and when changing a communication path of a network And a communication path control information setting unit for setting communication path control
- FIG. 1 is a block diagram of a motion controller according to an embodiment of the present invention.
- the plurality of terminal communication devices 120 is representatively enlarged by a broken line, and the detailed configuration is shown.
- the motion controller in the present embodiment is a control system constituted by a central communication device 110, one or more terminal communication devices 120, and a network connecting them, as is apparent from the figure, and
- the control target devices for example, sensors, motors, etc. are connected to these terminal communication devices 120 and controlled.
- the central communication device 110 executes a control command to the control target device and sets the communication control method, and a control information storage unit that stores the control command to the control target device and input / output information.
- a communication central communication cost storage unit 114 for storing communication costs, which is information representing, and communication route control for storing communication route control information which is information indicating a changing method when each terminal communication unit 120 changes the communication route of the network
- a communication data amount setting information storage unit 118 storing data amount setting
- the communication port 140 of the central communication device 110 and the communication port 140 of the terminal communication device 120 are connected by the communication line 150.
- Communication in each communication line 150 is established by determining a transmission channel and a reception channel such that a full-duplex communication signal is normally transmitted between the two communication ports at the communication port 140 of the terminal communication device 120.
- the communication signal transmission / reception unit 131 of the communication signal control unit 130 connected to the communication port 140 of the terminal communication apparatus 120 executes the transmission operation and stops the reception operation under the control of the transmission / reception switching control unit 132.
- FIG. 2 is a flowchart showing processing executed by the communication signal control unit 130 for establishing communication of each communication line 150 in the motion controller of FIG. 1 described above.
- the identification number of the terminal communication device 120 is set in advance by the identification number setting unit 122.
- one of the two communication signal transmitting / receiving units 131 and 131 included in the communication signal control unit 130 of the terminal communication apparatus 120 transmits a communication signal and the other receives a communication signal.
- the wait time common to the terminal communication device 120 is T wait [seconds], Identification number set in the terminal communication device 120, N id , I assume.
- FIG. 3 shows an example of the communication state of the communication line 150 when the processing of the communication signal control unit 130 for establishing the communication of the communication line 150 shown in FIG. 2 is executed. It is.
- the communication signal of the communication line is It will be in a state of collision and no signal, so that communication can not be established.
- FIG. 4 shows a so-called packet, which is a format of communication data used when the central communication device 110 and the terminal communication device 120 communicate with each other in the motion controller network of FIG.
- the packet includes a data unit 400 for storing data to be communicated, such as control commands and input / output information, a packet type unit 401 for storing information indicating the type of packet, and a communication destination. And a central communication port number unit 402 for storing the communication port number of the central communication unit 110 of the communication source, and an identification number unit 403 for storing the identification numbers of the terminal communication apparatus 120 of the communication destination and the communication source. Be done.
- the packet transmitted from the central communication device 110 and used to establish the communication function of the network is a so-called communication initial setting packet, and the packet initial value packet in the communication initial setting packet It is assumed that the individual numbers are stored, and the central communication port number unit 402 stores the port number of the communication port 140 for transmission from the central communication device 110, however, the other parts are not stored.
- a packet transmitted from the central communication device 110 and used to transfer control information and input / output information to the control target device connected to the terminal communication device 120 is a control information packet, and in the control information packet,
- the communication port 140 stores control information and input / output information in the data unit 400, stores the individual number of the packet in the packet type unit 401, and transmits data from the central communication device 110 to the central communication port number unit 402. And the identification number set in the terminal communication apparatus 120 in the identification number section 403.
- a packet transmitted from the terminal communication device 120 and used to transfer the communication status of the terminal communication device 120, error information and the like is taken as a terminal information packet, and the terminal information packet is transmitted to the data section 400.
- the communication status and error information of the apparatus 120 are stored, the individual number of this packet is stored in the packet classification section 401, and the port number of the communication port 140 of the central communication apparatus 110 of the transmission destination is stored in the central communication port number section 402. And the identification number set in the terminal communication apparatus 120 in the identification number portion 403.
- the central communication device 110 After communication of all the communication lines 150 is established, the central communication device 110 transmits the above-described communication initialization packet from all of the communication ports 140 of itself.
- FIG. 5 is a flowchart showing processing executed by the terminal communication control unit 121 in order to establish the communication function of the network in the motion controller of FIG.
- the terminal communication device 120 receives the communication initial setting packet from any of the plurality of communication ports 140, 140...
- the communication initial setting packet has already been received from any of the plurality of communication ports 140, 140. If the communication initialization packet has already been received in the past (“Yes” in the figure), the received communication initialization packet is discarded (Operation 500). Process 500), end the process.
- the upstream communication port number storage unit 124 stores the received port number (process 502). And the other communication port 140 except for the communication port 140 which has received the communication initialization packet transmits the received communication initialization packet (processing 503).
- the terminal information packet is transmitted from the communication port 140 which has received the communication initial setting packet, and the terminal information packet is periodically transmitted thereafter (processing 504).
- FIG. 6 illustrates the result when the process of the terminal communication control unit 121 shown in FIG. 5 is executed in the motion controller shown in FIG.
- the numbers in the communication port 140 of the central communication device 110 and the terminal communication device 120 indicate port numbers set in the communication ports 141.
- the central communication device 110 transmits communication initial setting packets from all communication ports 140 of its own after communication of all communication lines 150 is established, the upstream communication port storage 124 in each terminal communication device 120 Contents shown in FIG. 6 are stored.
- the terminal communication device 120 when the terminal communication device 120 is set in the upstream communication port number storage unit 124, the communication port 140 designated by the upstream communication port number storage unit 124 thereafter (hereinafter referred to as “upstream communication port”) (hereinafter referred to as “upstream communication port”) When a packet other than the communication initialization packet is received, the packet is transmitted from all communication ports 140 except the upstream communication port.
- the central communication port number portion 402 of the packet is referred to, and as a result, the upstream communication port storage unit 124 If it matches the port number of the central communication device 110 to be stored, the packet is transmitted to the upstream communication port, and if it does not match, the packet is discarded.
- the central communication device 110 can receive the terminal information packet transmitted from each terminal communication device 120, and the identification number part 403 of the terminal information packet.
- the identification number and the port number of the communication port 140 of the central communication device 110 that has received are stored in the identification number storage unit 113.
- the central communication device 110 refers to the identification number storage unit 113, and transmits a packet to the terminal communication device 120 from the communication port 140 corresponding to the port number stored in the identification number storage unit 113.
- the route of the network on which the communication is actually executed is formed by the communication line 150 indicated by a thick line in FIG.
- the communication cost required to switch the communication path of the network by the terminal communication device 120 (that is, the number of other terminal communication devices 120 passed when performing communication from the terminal communication device 120 to the central communication device 110) Is calculated.
- the packet transmitted from the central communication device 110 and used to calculate the communication cost of the communication path of the network connected to the terminal communication device 120 is a so-called communication cost calculation packet, and the communication cost
- the data unit 400 stores the communication cost in which the initial value is set to “1” and the value is increased for each reception from the terminal communication apparatus 120
- the packet type unit 401 stores the packet.
- the central communication port number unit 402 stores the port number of the communication port 140 when transmission is performed from the central communication device 110.
- the identification number unit 403 is set to the terminal communication device 120. Stores the identification number of
- FIG. 7 shows an example of the data configuration of the terminal communication cost storage unit 117 that stores the communication cost required when changing the communication route by the operation of the terminal communication device 120 in the motion controller shown in FIG.
- FIG. 7A shows terminal communication for storing the communication costs from the communication ports 140 of all the central communication devices 110 to all the communication ports 140 of the terminal communication device 120, so-called terminal communication costs.
- 17 shows an example of the data configuration of the cost storage unit 117.
- FIG. 8 is a flowchart showing processing in the terminal communication unit 121 for calculating the communication cost required to change the communication route by the operation of the terminal communication apparatus 120 in the motion controller of FIG. It is.
- FIG. 9 shows an example of the data configuration of the communication data amount storage unit 125 of the terminal communication device 120 in the motion controller shown in FIG.
- the communication data amount storage unit 125 stores the communication data amount for switching the communication, and the terminal communication control unit 121 confirms the communication data amount stored here at a constant cycle.
- the terminal communication device 120 switches the communication path.
- the central communication control unit 111 transmits to the terminal communication device 120 the communication data amount setting information stored in the communication data amount setting information storage unit 118 of the central communication device 110 to the communication data amount storage unit 125. Stores the value of the communication data amount.
- FIG. 10 shows an example of the data configuration of the communication path control method storage unit 127 of the terminal communication device 120 in the motion controller shown in FIG.
- the communication path control information stored in the communication path control method storage unit 127 is information indicating which one of the two switching methods is to be applied when switching the communication path by the terminal communication device 120. .
- “R” of the communication path information is determined (processing 1102), and as a result of the process, if the information of the communication path control method (“R” of the communication path information) is “1”, Check the presence or absence of reception (processing 1103), and if it is not re-reception (“No” in the figure), reference is made to the information with the lowest cost among the information stored in the terminal communication cost storage unit 125. Then, the reception flag and the identification number (ID) are added to the packet (processing 1105), and the packet is transmitted to complete the processing.
- ID identification number
- the communication cost of the terminal communication cost storage unit 125 is minimized, and the communication destination is specified by the upstream port number storage unit.
- the communication port 140 of the communication device 110 is referred to from the terminal communication cost storage unit 125, and a packet is transmitted to the other communication port of the central communication device (transmission of central communication port number) (processing 1106). finish.
- the central communication device transmits communication data including a communication port number which is an individual number set to each communication port from all communication ports of itself.
- the terminal communication apparatus is a communication in which the communication data transmitted from the central communication apparatus is an individual number set in the communication port with the communication port received first among all the communication ports of itself as the upstream port.
- the port number and the communication port number included in the communication data received at this time are stored in the upstream port number storage unit, and thereafter, the central communication apparatus communicates with the communication port number of its own communication port to which communication data is transmitted.
- the communication data is transmitted from the upstream communication port when the communication port number of the central communication device to be transmitted matches the communication port number of the central communication device stored in the upstream port number storage unit, and when the communication data do not match, the communication data When sending out communication data to the central communication device from itself, the communication port of the central communication device stored in the upstream port number storage unit And number, the communication data including the identification number set for itself through the upstream port in communication control method to be transmitted to the central communication device.
- the terminal communication apparatus is a communication that is a communication data amount storage unit for storing a limited amount of communication data of a communication line connected to the terminal communication apparatus, and communication that is information representing a change method when changing a communication path of a network. And a communication path control information setting unit configured to set the path control information.
- the central communication apparatus stores the communication path control setting information storage section and the communication data amount setting information by using the control software execution section, the communication path control information and the communication data amount setting information to be set to each terminal communication apparatus.
- the central communication control unit stores the communication path control information stored in the communication path control setting information storage unit and the communication data setting information stored in the communication data amount setting information storage unit through the network via the network.
- the terminal communication device transmits to the device, the communication path control information transmitted from the central communication device is stored in the communication path control information storage unit, and the communication data amount setting information transmitted from the central communication device is the communication data amount.
- the terminal communication apparatus constantly stores the communication data amount of the upstream port specified by the upstream port number storage unit, and stores the communication data amount.
- the upstream port number storage unit is specified by the upstream port number storage unit from its own communication port other than the upstream port based on the communication route control information stored in the communication route control information storage unit. Transmit to the communication port of the central communication device other than the communication port of the central communication device, or transmit from the communication port other than the upstream communication port to the communication port of the central communication device specified by the upstream port number storage unit It is preferable to execute any of communication control of transmitting from the upstream communication port.
- control software execution means of the central communication apparatus sets the communication cycle and response time required for the terminal communication apparatus, and communication path control information and communication based on the set communication cycle and response time.
- the data amount setting information may be generated, and may be provided with functions for storing the communication path control setting information storage unit of the central communication apparatus and the communication data amount setting information storage unit.
- the control software execution means of the central communication device is equipped with a function of presenting the network connection configuration, communication path, and communication state with reference to the communication state information storage means of the central communication device and the communication path information storage means. May be Furthermore, it is preferable that the setting function of the control software execution means of the central communication device and the display function of the communication state of the network be implemented by a GUI (Graphical User Interface).
- GUI Graphic User Interface
- connection method of the communication ports it is not necessary to consider the connection method of the communication ports at the time of network construction, and it is possible to reduce the number of steps when the controller is applied.
- it is not necessary to consider the connection method of the communication ports when constructing the network and it is possible to easily configure a complex network having a plurality of communication paths.
- the response performance required for each control target device can be guaranteed by dynamically changing the communication path, so adjustment of the connection configuration in such a complex network is required. It is possible to save man-hours.
- 100 control software execution unit, 101: display / input unit, 110: central communication apparatus, 111: central communication control unit, 112: device control information storage unit, 113: identification number storage unit, 114: central communication cost storage unit, 115: communication route control setting information storage unit 116: communication state information storage unit 117: communication route information storage unit 118: communication data setting information storage unit 120: terminal communication device 121: terminal communication control unit 122: Identification number setting unit 123 Device control unit 124 Upstream port number storage unit 125 Terminal communication cost storage unit 126 Communication data amount storage unit 127 Communication path control information storage unit 130 Communication signal control unit 131: communication signal transmission / reception unit, 131-1 communication signal reception unit, 131-2 communication signal transmission unit, 133: transmission / reception switching unit, 140: communication Port 150 communication line 400 data portion 401 packet type portion 402 central communication port number portion 403 identification number portion 1200 control support software 1201 communication performance setting portion 1202 network display portion , 1203 ...
- process display unit 1210 ... identification number display unit, 1211 ... communication cycle setting unit, 1212 ... communication response time setting unit, 1220 ... central communication means symbol, 1221 ... terminal communication means symbol, 1222 ... connection state symbol, 1223 ... Communication port symbol
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Abstract
Description
の通信経路を構成する場合がある。例えば、上位のコントローラに汎用性を保ちながらシングル構成と二重化構成のバスが定義されたフィールドバスを接続する技術(特許文献1)があるが、しかし、このようなネットワークでは、通信回線の接続方法をより複雑化させ、システムの構築が難しくなるだけでなく、通信の設定や、各制御対象機器に要求される応答性能を満足するような接続構成の調整に多くの工数がかかる。
さらに、
端末通信装置120に共通の待ち時間を Twait[秒]、
端末通信装置120に設定された識別番号、Nid 、
とする。
Claims (8)
- 制御対象機器に対する入出力操作、または、制御処理を実行する、1つ以上の端末通信装置と、前記端末通信装置とネットワークを用いて接続される中央通信装置とから構成されるモーションコントローラ装置であって、
前記中央通信装置の少なくとも1つの通信ポートと、前記端末通信装置のいずれかの1つの通信ポートとの間には、伝送路を備え、
前記端末通信装置の少なくとも1つの通信ポートと、前記中央通信装置のいずれか1つの通信ポート、又は、他の端末通信装置のいずれか1つの通信ポートとの間に伝送路を備えており、
これにより、ネットワークを構成し、
前記端末通信装置は、前記ネットワークの伝送路を複数接続可能とすることを特徴とするモーションコントローラ装置。 - 前記請求項1に記載されたモーションコントローラ装置において、前記中央通信装置は、さらに、
制御対象機器への制御指令の実行、及び/又は、通信制御方法の設定を行う制御ソフトウェア実行部と、
前記制御対象機器への制御指令、及び/又は、入出力情報を格納する制御情報格納部と、
前記ネットワークに接続される前記端末通信装置を個体認識するための識別番号を格納する識別番号格納部と、
前記ネットワークを介して、前記端末通信装置との間の通信制御を行う中央通信制御部と、
1つ以上の、前記ネットワークの通信信号における送信信号、及び/又は、受信信号を全二重で伝送する通信チャネルを1つ以上備える通信ポートと、そして、
前記通信ポート1つあたりに、前記通信ポートの通信チャネルと同じ数の、前記ネットワークの通信信号の受信処理を行う通信信号受信部と前記ネットワークの通信信号の送信処理を行う通信信号送信部の組からなる通信信号送受信部を備えており、かつ、
前記端末通信装置は、さらに、
前記識別番号を設定するための識別番号設定部と、
前記中央通信装置より、ネットワークを介して転送される制御指令に基づき制御対象機器の制御を行う、又は、前記中央通信装置とネットワーク介して送受信される入出力情報の操作を行うデバイス制御部と、
前記ネットワークを介して、前記中央通信装置との通信を行う際に、通信データを転送する自身の1つの通信ポートを指定するための上流ポート番号格納部と、
前記ネットワークを介して、前記中央通信装置との間の通信制御を行う端末通信制御部と、
2つ以上の通信ポートとを備えており、各通信ポートは、それぞれ、前記通信ポートの1つの通信チャネルに対する2つの通信信号送受信部と当該通信信号送受信部の送信動作、受信動作の実行、及び/又は、停止の切り替えを行う送受信切替制御部とを備えていることを特徴とするモーションコントローラ装置。 - 前記請求項2に記載されたモーションコントローラ装置において、前記中央通信装置は、さらに、
ネットワークに接続される端末通信装置との通信にかかる通信の遅延時間を表す情報である通信コストを格納する中央通信コスト格納部と、
各端末通信装置がネットワークの通信経路を変更する際の変更方法を表す情報である通信経路制御情報を格納する通信経路制御設定情報格納部と、
各端末通信装置のネットワーク上の通信状態の情報を格納する通信状態情報格納部と、
各端末通信装置までのネットワークの経路を表す情報である通信経路情報を格納する通信経路情報格納部と、
端末通信装置に設定する通信回線の通信データの制限量の設定情報である、通信データ量設定情報を格納する通信データ量設定情報格納部とを備えており、
前記端末通信装置は、さらに、
前記端末通信装置に接続される通信回線の通信データの制限量を格納する通信データ量格納部と、
ネットワークの通信経路を変更する際の変更方法を表す情報である通信経路制御情報を設定する通信経路制御情報設定部とを備えていることを特徴とするモーションコントローラ装置。 - 前記請求項2に記載されたモーションコントローラ装置であって、
前記中央通信装置の制御ソフトウェア実行部には、前記端末通信装置に必要とされる通信周期と応答時間を設定すると共に、当該設定された通信周期、応答時間を基に、通信経路制御情報と通信データ量設定情報を生成し、それぞれ、中央通信装置の通信経路制御設定情報格納部と、通信データ量設定情報格納部に格納する機能を搭載することを特徴とするモーションコントローラ装置。 - 前記請求項2に記載されたモーションコントローラ装置であって、
前記中央通信装置の制御ソフトウェア実行部には、中央通信装置の通信状態情報格納部と、通信経路情報格納部を参照し、ネットワークの接続構成、通信経路、通信状態を提示する機能とを搭載することを特徴とするモーションコントローラ装置。 - 前記請求項2に記載されたモーションコントローラ装置において、
前記中央通信装置の制御ソフトウェア実行部が有する設定機能とネットワークの通信状態の表示機能とを、グラフィカル・ユーザー・インターフェースにより実装したことを特徴とするモーションコントローラ装置。 - 前記請求項1に記載されたモーションコントローラ装置における通信方法であって、
前記端末通信装置は、前記通信信号制御部の送受信切替制御部により、通信信号送受信部の送信動作、受信動作を切り替え、前記伝送路の全てにおいて、全二重の通信信号が正常に伝達されるように、通信信号送受信部の送信動作、受信動作を決定し、
前記中央通信装置は、自身の全ての通信ポートより、その各通信ポートに設定される個別の番号である通信ポート番号を含む通信データを送信し、
前記端末通信装置は、中央通信装置より送信される通信データを、自身の全ての通信ポートのうち、最初に受信した通信ポートを上流ポートとして、その通信ポートに設定される個別の番号である通信ポート番号と、このとき受信した通信データに含まれる通信ポート番号を、上流ポート番号格納部に格納し、
以降、前記中央通信装置は、通信データの送信が行われる自身の通信ポートの通信ポート番号と、端末通信装置に設定される識別番号を含む通信データを、自身の通信ポートを介して、端末通信装置に送信し、
前記端末通信装置は、上流ポート番号格納部により指定される上流ポートより、中央通信装置からの通信データを受信し、その通信データの識別番号が自身の設定された識別番号と一致する場合、その通信データを自身に取り込み、
当該通信データの識別番号が自身の設定された識別番号と一致しない場合、それ以外の全ての通信ポートよりその通信データを送信し、
それ以外の通信ポートから受信した通信データは、その通信データに含まれる中央通信装置の通信ポート番号が、上流ポート番号格納部に格納される中央通信装置の通信ポート番号と一致するとき、上流通信ポートより、その通信データを送信し、
一致しないときには、当該通信データを破棄し、
前記端末通信装置が、自身より、前記中央通信装置に通信データを送信する際は、前記上流ポート番号格納部に格納される中央通信装置の通信ポート番号と、当該装置自身に設定された識別番号を含む通信データを上流ポートを介して、前記中央通信装置に送信することを特徴とするモーションコントローラ装置における通信方法。 - 前記請求項7に記載されたモーションコントローラ装置における通信方法であって、
前記中央通信装置は、さらに、
ネットワークに接続される端末通信装置との通信にかかる通信の遅延時間を表す情報である通信コストを格納する中央通信コスト格納部と、
各端末通信装置がネットワークの通信経路を変更する際の変更方法を表す情報である通信経路制御情報を格納する通信経路制御設定情報格納部と、
各端末通信装置のネットワーク上の通信状態の情報を格納する通信状態情報格納部と、
各端末通信装置までのネットワークの経路を表す情報である通信経路情報を格納する通信経路情報格納部と、
端末通信装置に設定する通信回線の通信データの制限量の設定情報である、通信データ量設定情報を格納する通信データ量設定情報格納部とを備えており、
前記端末通信装置は、さらに、
前記端末通信装置に接続される通信回線の通信データの制限量を格納する通信データ量格納部と、
ネットワークの通信経路を変更する際の変更方法を表す情報である通信経路制御情報を設定する通信経路制御情報設定部とを備えており、そして、
前記中央通信装置は、前記制御ソフトウェア実行部により、各端末通信装置に設定する通信経路制御情報と通信データ量設定情報を、前記通信経路制御設定情報格納部と前記通信データ量設定情報格納部に格納し、
前記中央通信制御部は、前記通信経路制御設定情報格納部に格納される通信経路制御情報と、前記通信データ量設定情報格納部に格納される通信データ設定情報を、ネットワークを介して前記端末通信装置に送信し、
前記端末通信装置は、前記中央通信装置より送信される通信経路制御情報を前記通信経路制御情報格納部に格納し、さらに、前記中央通信装置より送信される通信データ量設定情報を通信データ量格納部に格納し、
前記端末通信装置は、前記上流ポート番号格納部により指定される上流ポートの通信データ量を常に監視し、そして、当該通信データ量が通信データ量格納部に格納される値を超えた場合、前記通信経路制御情報格納部に格納される通信経路制御情報に基づき、上流ポート以外の自身の通信ポートより、上流ポート番号格納部により指定される中央通信装置の通信ポート以外の中央通信装置の通信ポートに送信する、又は、上流通信ポート以外の通信ポートより、前記上流ポート番号格納部により指定される前記中央通信装置の通信ポートに送信する、又は、上流通信ポートより送信する、のいずれかの通信制御を前記端末通信制御部により実行することを特徴とするモーションコントローラ装置における通信方法。
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