摘要:
A communication system on an IP network between an automation equipment and one or more remote devices. The communication system is based on the Simple Object Access Protocol (SOAP) for the. purpose of providing the remote device with automation equipment supervision, display, control, configuration or programming functions. The automation equipment comprises at least one WEB service and/or one WEB client able to interact with a program of the automation equipment, capable of decoding messages received from the IP network encoded according to the SOAP protocol and capable of encoding messages to be sent according to the SOAP protocol. A service description document, accessible to a remote device describes the capacities of one or more WEB services implanted in an automation equipment. This document may be stored or constructed dynamically by a generator.
摘要:
Method for controlling the use of a data-processing workstation (1) by password, comprising storage of the password within the workstation and, at each initialization of this latter, acquisition of a password proposition followed by a comparison of this proposition with the stored password. The password is stored in a controlled-erasure permanent memory unit. In order to release the workstation (1) in the event of loss of the password, provision is made for generation (D1) of a set (36) of data associated with the blocked workstation, communication (D2) of part of these data by the user to an authorized service (S), supply (D3) in return by this service of coded release data (43), acquisition (D4) of these latter by the user on the workstation, thereby resulting, in the event of compliance, in erasure of the initial password and in release of the workstation. Application in an industrial environment to control of the use of offline or network workstations.
摘要:
A communication system for automation equipment on a TCP/IP network. The automation equipment controls an automation application by executing an application program written according to standard IEC1131-3. The communication system includes at least a reception WEB function block integrated into the application program to implement a WEB server function, and/or at least one send WEB function block integrated into the application program to implement a WEB client function, and an HTTP interface capable of routing messages between the TCP/IP network and WEB function blocks identified by a URL address. The contents of HTTP requests may be an XML frame or a UEL encoded frame.