Abstract: A process control system includes a PC that is to be connected to a redundant network. The PC comprises a virtualization unit, and a real-time communication unit configured to operate as a separate process independent of the virtualization unit.

Abstract: A plant control system includes a controller configured to control a plant by using process data, the controller transmitting the process data to a field device and receiving the process data from the field device, the controller obtaining field information indicating a state of the field device from the field device, the field device being installed in the plant, and the field device performing at least one of a measurement and a manipulation which are necessary for the control of the plant, and a manager configured to manage a state of the plant by collecting the field information from the field device, wherein at least one of the controller and the manager creates information indicating a normality of the plant by using the field information.

Abstract: A redundant PC system includes a plurality of redundant PCs which is to be connected through a network. Each of the redundant PCs includes hardware on which an interface for connection to the network is mounted and a host OS configured to operate on the hardware. The host OS is provided with a virtualization unit, and a redundant unit and a real-time communication unit, the redundant unit and the real-time communication unit being configured to operate as separate processes independent of the virtualization unit. The redundant unit is configured to perform a control monitoring for making a PC redundant via a universal interface.

Abstract: A process control system includes a PC that is to be connected to a redundant network. The PC comprises a virtualization unit, and a real-time communication unit configured to operate as a separate process independent of the virtualization unit.

Abstract: A redundant PC system includes a plurality of redundant PCs which is to be connected through a network. Each of the redundant PCs includes hardware on which an interface for connection to the network is mounted and a host OS configured to operate on the hardware. The host OS is provided with a virtualization unit, and a redundant unit and a real-time communication unit, the redundant unit and the real-time communication unit being configured to operate as separate processes independent of the virtualization unit. The redundant unit is configured to perform a control monitoring for making a PC redundant via a universal interface.

Abstract: A communication system includes a plurality of field devices connected to a field network, and a controller configured to communicate with the field devices via the field network to control the field devices. The field device is configured to communicate with the controller via the field network, and to perform a predetermined processing using information obtained by a communication between the field devices via a local network.

Abstract: A plant control system includes a controller configured to control a plant by using process data, the controller transmitting the process data to a field device and receiving the process data from the field device, the controller obtaining field information indicating a state of the field device from the field device, the field device being installed in the plant, and the field device performing at least one of a measurement and a manipulation which are necessary for the control of the plant, and a manager configured to manage a state of the plant by collecting the field information from the field device, wherein at least one of the controller and the manager creates information indicating a normality of the plant by using the field information.

Abstract: A control network system may control a control target by using control data. The control network system may include a wireless field device that transmits the control data through a wireless communication, a relay apparatus that relays the control data from the wireless field device, the relay apparatus including a storage unit that stores identification data of the wireless field device, the storage unit storing a flag associated with the identification data, the flag showing a progress state of commissioning of the wireless field device, and a host system that receives the control data from the wireless field device through the relay apparatus, the host system including a control unit that discontinues operation of controlling the control target when the flag is in a nonsteady state.

Abstract: A wireless network path setting apparatus includes a receiving module configured to receive input of wireless network paths, an investigating module configured to investigate a communication environment and status of each of routes constituting the wireless network paths that have been input through the receiving module, and a registering module configured to register the wireless network paths that have been input through the receiving module as network paths to be used in a field wireless system if the communication environment and status of each route investigated by the investigating module is appropriate.

Abstract: A communication system includes a plurality of field devices connected to a field network, and a controller configured to communicate with the field devices via the field network to control the field devices. The field device is configured to communicate with the controller via the field network, and to perform a predetermined processing using information obtained by a communication between the field devices via a local network.

Abstract: A register configurator may include a display screen, a data display unit that displays data related to field devices on the display screen, a register space display unit that graphically displays a register space of a register on the display screen, a manipulation reception unit that receives a manipulation for allocating each of the data, which has been displayed by the data display unit, to an area in the register space, which has been displayed by the register space display unit, the manipulation being performed on the display screen by a user, and a correspondence establishing unit that establishes a correspondence between the data and the area, based on the manipulation that has been received by the manipulation reception unit.

Abstract: A field communication system may perform wireless communication with field devices. The field communication system may include a connection allowing unit that determines whether or not to allow a connection to the field device by referring a field device list, the field device list listing tag names related to the field devices, an address issuance unit that automatically issues a communication address for the field device if the connection allowing unit allows the connection with the field device, an address management unit that establishes correspondences between the communication addresses and the tag names of the field devices by using the field device list, and a communication unit that transmits data to the field device designated by the tag name, the communication unit receiving the data transmitted from the field device, the data being used to control the field device designated by the tag name.

Abstract: A field communication system receives data from a field device through a communication network and maps the data onto a register to update the data. The field communication system includes a detection module configured to detect a state of communication with the field device through the communication network, and a writing module configured to write the communication state detected by the detection module in the register as information added to the data.

Abstract: A field communication system includes a field device as a slave device, having a first slave communication port and a second slave communication port, a communication module as a master device, having first master communication port and a second master communication port, configured to execute communication with the field device, a first communication line configured to connect the first slave communication port with the first master communication port, and a second communication line configured to connect the second slave communication port with the second master communication port.

Abstract: There is provided a field communication management apparatus capable of setting configuration information segments with certainty without causing a burden, and an inexpedience at the time of an operation for setting. A reception unit receives download information. A setting unit sets individual information segments contained in download information received by the reception unit in a corresponding field device and a gateway itself. A communication limiting unit prohibits communication between the field device and host devices for a period before the individual information segments are set in the field device and the gateway itself, respectively, by the setting unit.

Abstract: A wireless network path setting apparatus includes a receiving module configured to receive input of wireless network paths, an investigating module configured to investigate a communication environment and status of each of routes constituting the wireless network paths that have been input through the receiving module, and a registering module configured to register the wireless network paths that have been input through the receiving module as network paths to be used in a field wireless system if the communication environment and status of each route investigated by the investigating module is appropriate.

Abstract: A field communication system receives data from a field device through a communication network and maps the data onto a register to update the data. The field communication system includes a detection module configured to detect a state of communication with the field device through the communication network, and a writing module configured to write the communication state detected by the detection module in the register as information added to the data.

Abstract: A field communication system may include a communication device that transmits and receives data to and from a field device through a wireless communication, the communication device communicating with the field device if field device data corresponds to communication device data, a field device setting unit that generates the field device data related to a device tag of the field device, the field device setting unit setting the field device data to the field device, a storage unit that stores the field device data, and a communication device setting unit that extracts the field device data stored in the storage unit by using the device tag as a key, the communication device setting unit setting the field device data to the communication device as the communication device data.

Abstract: A register configurator may include a display screen, a data display unit that displays data related to field devices on the display screen, a register space display unit that graphically displays a register space of a register on the display screen, a manipulation reception unit that receives a manipulation for allocating each of the data, which has been displayed by the data display unit, to an area in the register space, which has been displayed by the register space display unit, the manipulation being performed on the display screen by a user, and a correspondence establishing unit that establishes a correspondence between the data and the area, based on the manipulation that has been received by the manipulation reception unit.

Abstract: A field communication system may perform wireless communication with field devices. The field communication system may include a connection allowing unit that determines whether or not to allow a connection to the field device by referring a field device list, the field device list listing tag names related to the field devices, an address issuance unit that automatically issues a communication address for the field device if the connection allowing unit allows the connection with the field device, an address management unit that establishes correspondences between the communication addresses and the tag names of the field devices by using the field device list, and a communication unit that transmits data to the field device designated by the tag name, the communication unit receiving the data transmitted from the field device, the data being used to control the field device designated by the tag name.