摘要:
There is described a method for monitoring the functionality of an automation system of a plant comprising at least one main processor, parts of the plant being monitored and controlled using a user software, which is constructed of a number of program modules and which is run on the main processor. A co-processor is assigned to the main processor, and a message is transmitted from the main processor to the co-processor. When received, this message is used by the co-processor to start a monitoring time. When a subsequent message is received, this monitoring time is reset before said monitoring time has elapsed, otherwise a fault is identified once the monitoring time has elapsed.
摘要:
The invention relates to a method and an automated system for determining the processing sequence of function blocks of a technological function. According to said method, a first function block, whose outputs are respectively disconnected or form exclusively one or more output signals of the technological function, is determined. Starting from said first function block, a second function block is sought in the opposite direction to the signal flow direction, whereby the block inputs of said second block are respectively disconnected or receive one or more input signals of the technological function only. An identifier is given to all block inputs, which are disconnected, receive an input signal from the technological function only or are connected to at least one block output of another function block whose block inputs have previously been given identifiers, starting from and including the second function block, running through subsequent function blocks in the signal flow direction up to and including the first function block. The function block is marked as soon as its block inputs have been given identifiers. Finally, the processing sequence of the function blocks is achieved in accordance with the marking sequence of the function blocks.
摘要:
The invention relates to a method and an automated system for determining the processing sequence of function blocks of a technological function. According to said method, a first function block, whose outputs are respectively disconnected or form exclusively one or more output signals of the technological function, is determined. Starting from said first function block, a second function block is sought in the opposite direction to the signal flow direction, whereby the block inputs of said second block are respectively disconnected or receive one or more input signals of the technological function only. An identifier is given to all block inputs, which are disconnected, receive an input signal from the technological function only or are connected to at least one block output of another function block whose block inputs have previously been given identifiers, starting from and including the second function block, running through subsequent function blocks in the signal flow direction up to and including the first function block. The function block is marked as soon as its block inputs have been given identifiers. Finally, the processing sequence of the function blocks is achieved in accordance with the marking sequence of the function blocks.
摘要:
The invention relates to a redundant automation system, and a method for operating one such automation system. The inventive automation system comprises two automation appliances with which a common memory unit is associated, on which status data of the automation appliances can be stored. In this way, the automation appliances have direct access to a common database and a memory compensation is dispensed with in the event of an error during the switchover to the standby automation appliance.
摘要:
There is described a method for monitoring the functionality of an automation system of a plant comprising at least one main processor, parts of the plant being monitored and controlled using a user software, which is constructed of a number of program modules and which is run on the main processor. A co-processor is assigned to the main processor, and a message is transmitted from the main processor to the co-processor. When received, this message is used by the co-processor to start a monitoring time. When a subsequent message is received, this monitoring time is reset before said monitoring time has elapsed, otherwise a fault is identified once the monitoring time has elapsed.
摘要:
The invention relates to a method and a device for exchanging data on the basis of the OPC communications protocol, wherein at least one OPC-ready server is connected parallel to a master OPC server. An OPC client is connected to the master OPC server over a first communications link and to at least one OPC-ready server via at least one second communications link. The OPC client exchanges data over the first communications link and the master OPC server, and over at least the second communications link and at least one OPC-ready server with automatic devices, and evaluates the data transmitted by the master OPC server and at least one OCT-ready server. In the event of failure, the master OPC server is at least partially switched over from the OPC client to at least one OPC-ready server such that the program continues to run smoothly in the same place.
摘要:
The invention relates to a method and a device for exchanging data on the basis of the OPC communications protocol, wherein at least one OPC-ready server is connected parallel to a master OPC server. an OPC client is connected to the master OPC server over a first communications link and to at least one OPC-ready server via at least one second communications link. The OPC client exchanges data over the first communications link and the master OPC server, and over at least the second communications link and at least one OPC-ready server with automatic devices, and evaluates the data transmitted by the master OPC server and at least one OCT-ready server. In the event of failure, the master OPC server is at least partially switched over from the OPC client to at least one OPC-ready server such that the program continues to run smoothly in the same place.
摘要:
A method of producing a specific planning document for control equipment to be planned for a technical system, in particular for power plant control equipment to be planned for a power plant, and to a device designed to carry out the method are provided. A specific description of a technical system is created. Using the specific description, planning objects are selected from an archive having specified planning objects. Then the selected planning objects are adapted to the system using the specific description, wherein the specific planning document is formed from the adapted or specific planning objects.
摘要:
A method of drafting a program code of control and instrumentation technology for operating a plant is disclosed using industrial components. The program code, in its graphical representation, comprises a plurality of sub-plans. The program code of the control and instrumentation technology and the industrial components are represented together in a machine-readable technology plan. The sub-plans, especially the functional plans of the individual plane, are automatically generated from the technology plan, and the individual sequences of the program code are generated from the functional plans. The method makes manual drafting or manual correction project planning superfluous.
摘要:
A method for supporting the creation of a requirements description for a process control system for power plant instrumentation and control technology is provided. To create a technically clear requirements description for a process control system for power plant technology, a textually formulated requirements description is checked for the observance of previously specified formulation rules directed at the design of the process control and, technically ambiguous passages of text according to the formulation rules are output for revision.