One to 4 AUX tasks (not available for Modicon M340 and Momentum).A FAST task (not available for Momentum).Elements of a Program – A program can be constructed from:.The blocks can be used in the programming languages FBD, LD, IL, and ST. For a better overview, the different blocks are arranged in libraries, which are then broken down into families. The blocks that are included in the delivery of Unity Pro extensive block libraries extend from blocks for simple boolean operations, through blocks for strings and array operations to blocks for controlling complex control loops. And all these languages (except LL984) conform to IEC 61131-3. All of these programming languages can be used together in the same project. The software provides the following programming languages for creating the user program: Function Block Diagram FBD Ladder Diagram (LD) language Instruction List IL Structured Text ST Sequential Control SFC Ladder Logic 984 (LL984). Actual product and display contents may vary. * Disclaimer: Product images and display contents are illustrative only.
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