摘要:
Provided is a process, including: receiving, via the network interface, from a remote user device, a command to change a state of the fluid-handling device to a target state; translating the received command into a translated command operative to cause a local controller of the fluid-handling device to drive the fluid-handling equipment to the target state, the local controller being responsive to the command and feedback from the fluid-handling device indicative of whether the fluid-handling device is in the target state; and sending the translated command to the local controller.
摘要:
Provided is a process, including: receiving, via the network interface, from a remote user device, a command to change a state of the fluid-handling device to a target state; translating the received command into a translated command operative to cause a local controller of the fluid-handling device to drive the fluid-handling equipment to the target state, the local controller being responsive to the command and feedback from the fluid-handling device indicative of whether the fluid-handling device is in the target state; and sending the translated command to the local controller
摘要:
Provided is a technique enables programming, including that for database operations, without describing a SQL used to operate the database. A PLC (30) that can access a DBMS (22) stores a user program (38) and definition information (32), the user program (38) including a structure type of variable, the definition information (32) indicating a definition of the structure type. The sequence command program (34) sequentially executes instructions in the user program (38) and invokes a DB access process program (35) in order to access the DBMS (22). The DB access process program (35) reads the definition information (32) and, on the basis of the read definition information (32), generates a SQL statement to be used when access to the DBMS (22) is made by execution of the user program (38). The DB access process program (35) executes the generated SQL statement by transmitting the SQL statement to the DB server (20).
摘要:
The invention relates to a method and a bus system for the interchange of device-specific data between fieldbus slaves of a first fieldbus and a fieldbus master of a second fieldbus, wherein the first fieldbus is connected for communication to a common Ethernet network via a first gateway and the second fieldbus is connected for communication to a common Ethernet network via a second gateway, wherein the communication via the Ethernet network occurs according to the client-server communication principle, wherein the first gateway reacts on the network side as a fieldbus master and on the Ethernet side as a web service server, and wherein the second gateway reacts on the fieldbus side as a fieldbus slave and on the Ethernet side as a web service client.
摘要:
Provided is a technique enables programming, including that for database operations, without describing a SQL used to operate the database. A PLC (30) that can access a DBMS (22) stores a user program (38) and definition information (32), the user program (38) including a structure type of variable, the definition information (32) indicating a definition of the structure type. The sequence command program (34) sequentially executes instructions in the user program (38) and invokes a DB access process program (35) in order to access the DBMS (22). The DB access process program (35) reads the definition information (32) and, on the basis of the read definition information (32), generates a SQL statement to be used when access to the DBMS (22) is made by execution of the user program (38). The DB access process program (35) executes the generated SQL statement by transmitting the SQL statement to the DB server (20).
摘要:
A field device provided with a first communication unit for communicating over a communication network, a second communication unit for communicating via infrared with an external device, a converter for converting a message transmitted by the external device and received by the second communication unit into data that can be transmitted over the communication network, and a first controller for controlling the first communication unit and transmitting the data converted by the converter to the communication network.
摘要:
The subject disclosure pertains to transparent communications in an industrial automation environment amongst automation system components and IT systems. Systems and methods are provided that send and receive data to, from and amongst automation devices and transactional based IT systems. The system is viewed as a control system to the automation device and as a transactional system to the IT system. Accordingly, it is not necessary to provide a custom interface between automation devices and the IT systems.
摘要:
An apparatus is provided for facilitating communication between, for example, a configuration tool in a process control system and a wireless field device (such as a wireless sensor or actuator). The configuration tool and the wireless field device use different protocols, and the apparatus converts between the different protocols. The protocol used by the configuration tool could include HART. From the perspective of the wireless field device, the apparatus could appear to support the application protocol of the wireless field device. From the perspective of the configuration tool, the apparatus could simulate a HART multiplexer. This may allow a user to use the configuration tool to configure, commission, and monitor the wireless field device, even when the user does not know or understand the protocol used by the wireless field device.
摘要:
A field equipment control system including: a plurality of field equipments installed in a field; and a control device for controlling the plurality of field equipments, wherein each of the field equipments has a wireless communication section for transmitting/receiving data between the field equipments, and at least one field equipment out of the plurality of field equipments, which is connected to the control device, has a communication relaying section for carrying out a data conversion between different protocols.
摘要:
An apparatus is provided for facilitating communication between, for example, a configuration tool in a process control system and a wireless field device (such as a wireless sensor or actuator). The configuration tool and the wireless field device use different protocols, and the apparatus converts between the different protocols. The protocol used by the configuration tool could include HART. From the perspective of the wireless field device, the apparatus could appear to support the application protocol of the wireless field device. From the perspective of the configuration tool, the apparatus could simulate a HART multiplexer. This may allow a user to use the configuration tool to configure, commission, and monitor the wireless field device, even when the user does not know or understand the protocol used by the wireless field device.