Abstract: The present invention provides a management device that assists in setting a ring topology in a design network configuration. This management device 3 manages a network that includes a master device 1 and a plurality of slave devices 2 connected to the master device 1, the management device 3 including a ring topology assessment unit 332 for assessing, on the basis of design network configuration information D1 created by a user and slave information D2 that represents the unique information per type of each slave device 2, whether a ring topology configured from a plurality of slave devices 2 can be generated.

Abstract: Provided is a management device that makes it possible for a user of a device different from the management device to smoothly assist troubleshooting in the management device. A management device 3 is a management device that manages a network including one or more nodes, and includes: a data acquisition portion that generates first data in binary format which indicates a state of the network, and a data conversion portion 326 that converts the first data into second data in viewer format.

Abstract: The present invention provides a management device that assists in setting a ring topology in a design network configuration. This management device 3 manages a network that includes a master device 1 and a plurality of slave devices 2 connected to the master device 1, the management device 3 including a ring topology assessment unit 332 for assessing, on the basis of design network configuration information D1 created by a user and slave information D2 that represents the unique information per type of each slave device 2, whether a ring topology configured from a plurality of slave devices 2 can be generated.

Abstract: Provided is a management device or the like that can flexibly set a task cycle of a master device. The management device is a management device that manages a network including a master device and a slave device connected to the master device, and comprises: a transmission delay time prediction unit which predicts a transmission delay time on the basis of network configuration information and node information; a transmission delay time measurement unit which measures the transmission delay time in the network; and a transmission delay time setting unit which presents to the user, a predicted value predicted by the transmission delay time prediction unit and a measured value measured by the transmission delay time measurement unit, and sets a cycle setting transmission delay time for setting a task cycle in which the master device transmits a signal to the slave device, according to the selection operation of the user.

Abstract: Provided is a management device that assists setting of ring topology in a network configuration of actual devices. A management device 3 is a management device that manages a network including a master device 1 and a plurality of slave devices 2 connected to the master device 1, and is provided with: an actual configuration information acquisition unit 332 that acquires, from the master device 1, actual configuration information D3 of an actual network; and a ring topology detection unit 333 that, on the basis of the actual configuration information D3, detects ring topology constituted of the plurality of slave devices 2, and identifiably displays the ring topology on an actual network configuration diagram that is displayed on the basis of the actual configuration information D3.

Abstract: A control system includes a master device and one or a plurality of slave devices connected to the master device via a field network. In a storage unit of each slave device, a node address is arranged in a unique region for each model of the slave devices. The control system further includes an information providing part which provides, in any slave device, information for specifying the region in which the node address is stored in the storage unit to the master device.

Abstract: Provided is a management device that makes it possible for a user of a device different from the management device to smoothly assist troubleshooting in the management device. A management device 3 is a management device that manages a network including one or more nodes, and includes: a data acquisition portion that generates first data in binary format which indicates a state of the network, and a data conversion portion 326 that converts the first data into second data in viewer format.

Abstract: A control system includes a master device and one or a plurality of slave devices connected to the master device via a field network. In a storage unit of each slave device, a node address is arranged in a unique region for each model of the slave devices. The control system further includes an information providing part which provides, in any slave device, information for specifying the region in which the node address is stored in the storage unit to the master device.

Abstract: A control system synchronizes input timing and output timing between functional units, while achieving the contradictory aspect of shortening the communication cycle of data frames transferred on a network. An information processing apparatus calculates parameters for the functional units included in a slave device in accordance with a mode selected from a plurality of available modes. The modes include a first mode in which timing to obtain a status value from the control target and timing to update an output value for the control target are synchronized between all the functional units included in the slave device, and a second mode in which the timing to obtain a status value from the control target and the timing to update an output value for the control target are synchronized between specific functional units included in the slave device.

Abstract: A network management device that supports restoration from an abnormality is provided. A management device is a management device that manages a network including a master device and a slave device connected to the master device, and includes a network configuration diagram display unit that displays a network configuration diagram based on design information of a network according to a design created by a user, a state information acquisition unit that acquires state information relating to a state of the slave device, and a state display unit that displays the state on the network configuration diagram in association with the slave device based on the state information.

Abstract: A management device capable of facilitating an operation of analyzing an event that has occurred in a node is provided. A management device is a management device that manages a network that includes one or more nodes that record occurrence of a predetermined event and includes: an event log acquisition unit that acquires event logs that associate occurrence times of the event and information that specifies the event from the nodes; and a network configuration diagram display unit that displays a network configuration diagram indicating a connection relationship of the nodes, and the network configuration diagram display unit displays the node in which the event has occurred to be distinguishable from the node in which the event has not occurred in the network configuration diagram.

Abstract: A control system and control device are provided capable of flexibly realizing communication processing without requiring an additional unit even when a plurality of units having a communication function are present is provided. The control system includes a first unit having a first communication port for transmitting and receiving data, and one or more second units electrically connected to the first unit. Each of the second units includes a logical communication unit for transmitting/receiving data to/from the device electrically connected to the first communication port of the first unit. The first unit includes a forwarding processing unit which forwards transmission data transmitted from the second unit to the device which is a transmission destination.

Abstract: A control system synchronizes input timing and output timing between functional units, while achieving the contradictory aspect of shortening the communication cycle of data frames transferred on a network. An information processing apparatus calculates parameters for the functional units included in a slave device in accordance with a mode selected from a plurality of available modes. The modes include a first mode in which timing to obtain a status value from the control target and timing to update an output value for the control target are synchronized between all the functional units included in the slave device, and a second mode in which the timing to obtain a status value from the control target and the timing to update an output value for the control target are synchronized between specific functional units included in the slave device.