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General description of Concept Import/Export Functions Sections from various projects can be combined as desired in another project using import/export functions. It is also possible to convert the sections of one IEC programmer language into sections of another IEC programmer language. Variables may be imported into and exported from the text using text delimited or FactoryLink format. Runtime System The runtime system on the PLC offers quick reactions to signal state process changes (short cycle time), Simulating signal transmitters (see Simulating a PLC, p. 723), Online display (see Online functions, p. 607), online parameter changes and online program changes. Open Software Architecture Concept possesses open software architecture to enable connection to external systems (e.g. for visualization) via standard interfaces. Online Help Special care was taken when developing the help function. The context sensitive Online help function (see How the Online Help is set out, p. 795) provides support for every configuration situation just by clicking on the subject using the mouse or pressing the F1 key. Menu commands and dialogs are also context sensitive, as are, function blocks and hardware components of the individual PLC families. PLC hardware configuration Description Concept is the unified projection tool for Quantum, Compact, Momentum and Atrium products. Hardware components (for example CPU, program memory, input/output units etc.) can be specified before, during or after program creation. This projection task can be performed both online (linked to the PLC) and locally (PC alone). Projection is supported by Concept, and only suggests valid combinations. Misprojection is therefore prevented. In online mode the projected hardware is tested for plausibility immediately and input errors are rejected. After linking the programmer device (PC) to the PLC, a plausibility test is performed on the projected values (e.g. from the Variable Editor) using the actual hardware resources and if necessary an error message will appear. 33002204 31
