Abstract: This invention relates to a communication system between a programmable logic controller (PLC) equipped with an HTTP server and a client machine (C) via a network (B), characterized in that it comprises, in the central processing unit (CPU) of this controller, a means (API 1a) for adding “group sheets” (M1, M2. . . ) in XML format, whereon elements or signals for watching or controlling the process automated by the application of the programmable logic controller are grouped, as well as a means (API 1b) for adding/deleting elements or signals on these sheets, by specifying the type thereof, a means (API 1c, API 1d) for reading or writing these elements, and a means (API 2b, API 2c, API 2d) for reading these sheets and for writing on these sheets upon a query from the HTTP server.

Abstract: A programmable logic controller system including a private operating system that does not support a TCP/IP protocol, and a communication module connected to a private communication bus and a TCP/IP network, and at least one intelligent module. The communication module includes TCP/IP connection and communication functions, a plurality of delegation services, and a transcoding and routing service configured to encode, decode, and route a request. The private communication bus includes a plurality of supported protocols. Further, the at least one intelligent module includes an HTTP server and at least one application having an application programming interface. The application programming interface is configured to use the TCP/IP connection and communication functions from a remote location. In addition, the plurality of delegation services are configured to enable the at least one application in the at least one intelligent module to delegate services to the communication module on the TCP/IP network.

Abstract: A bypass gas turbine engine having an intermediate structural casing positioned between a primary flow path and a bypass flow path, and configured between a low pressure compressor and a high pressure compressor. The engine further having a bleed device arranged to deflect a portion of a gas flow from the low pressure compressor toward the bypass flow path. The bleed device includes an annular cavity defining a manifold situated upstream the intermediate casing and opening along the outer wall of the primary flow path, a plurality of conduits positioned along the intermediate casing, a plurality of tubes configured around the high pressure compressor and connecting the conduits to the bypass flow path, and at least one flow regulating valve disposed along the interior of each of the plurality of tubes.

Abstract: A distributed automation system comprising a programmable logic controller connected to programmable logic controllers equipped with a host unit and couplers communicating with the host unit through the back panel bus. One of the couplers is connected through a bus to associated equipment, wherein the coupler can communicate with the associated equipment through a server function using the TCP/IP protocol. The server coupler is provided with a mass memory containing (1) “PLC variables” type software objects that manage access to PLC variables, and (2) “manufacturer” type software objects that transform information from PLC variable objects to manufacturer-type information that can be used by the associated equipment.

Abstract: This invention relates to a communication system between a programmable logic controller (PLC) equipped with an HTTP server and a client machine (C) via a network (B), characterized in that it comprises, in the central processing unit (CPU) of this controller, a means (API 1a) for adding “group sheets” (M1, M2. . . ) in XML format, whereon elements or signals for watching or controlling the process automated by the application of the programmable logic controller are grouped, as well as a means (API 1b) for adding/deleting elements or signals on these sheets, by specifying the type thereof, a means (API 1c, API 1d) for reading or writing these elements, and a means (API 2b, API 2c, API 2d) for reading these sheets and for writing on these sheets upon a query from the HTTP server.

Abstract: A bypass gas turbine engine having an intermediate structural casing positioned between a primary flow path and a bypass flow path, and configured between a low pressure compressor and a high pressure compressor. The engine further having a bleed device arranged to deflect a portion of a gas flow from the low pressure compressor toward the bypass flow path. The bleed device includes an annular cavity defining a manifold situated upstream the intermediate casing and opening along the outer wall of the primary flow path, a plurality of conduits positioned along the intermediate casing, a plurality of tubes configured around the high pressure compressor and connecting the conduits to the bypass flow path, and at least one flow regulating valve disposed along the interior of each of the plurality of tubes.

Abstract: This invention relates to a programmable logic controller (PLC) provided with communication functions in a client-server architecture and a private operating system that does not support the TCP/IP protocol but is adapted to automation programs and is equipped firstly with at least one intelligent module (MM, UC) in which an HTTP server is installed, and also a communication module (MC) that can be connected to remote equipment (C) through a bus, characterized by the fact that the intelligent module (MM, UC) is provided with an application programming interface (TCP API) that makes it possible to use connection and communication (TCP) functions of the TCP/IP type of communication module (MC), from a remote location.