Lego EV3 pgm blks vs 4DIAC FBs

Compare 

• Lego EV3 programming blocks apps from National Instruments (IEC 61311 based) 
• to 4DIAC apps and IEC61499 FBs 

1. General mapping of features to features
2. Example mapping for EV3 Model Color Sorter program 
3. Example equivalent 4diac app

General mapping of features to features

Summary:

• Event actions 
• Lego - Event action takes several blocks
• Action until
• Event timer trigger
• Stop Action
• 4diac - Event driven via event trigger to fb
• Inputs
• Lego - Connector at bottom of pgm blk with curve down
• 4diac - Connector on left of FB
• Outputs
• Lego - Connector at bottom of pgm blk  with curve up
• 4diac - Connector on right of FB
• Loops
• Lego - have event trigger test at beginning or end (or both)
• 4diac - test is separate FB

Block Examples

coming soon

Examples 

• EV3 Model Color Sorter program 
• Equivalent 4diac Color Sorter (coming in future)

Mapping (coming in future)