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International Conference on Advanced Computer Theory and Engineering, 5th (ICACTE 2012)

Xie Yi
Xie Yi
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ASME Press
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A new transformation algorithm which transformers the ladder diagram to PLC instruction list based on block-growth is prompted. This algorithm uses ladder step as the unit, scans the serial/parallel relationship among the components according to the sequence of “left-right” and “top-down”, and locates the next component using stack. The data elements block in the stack grows according to the serial relationship between the components during the traverse. This algorithm can clearly express the logic relationship between the components in the ladder diagram, accurately and quickly translate the diagram into the instructions, and accomplish to translate the complex ladder diagram which...

1. Introduction
2. LD and the Data Structure
3. Description of the Transform Algorithm
4. An Transform Example and the Result
5. Conclusions
6. Acknowledgment
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