Feb.15 Adaptors explained well

Today adaptors were explained to me and a real example with a mechanical BotBall Lego arm shown. Maybe oversimplified, but in summary:


Adaptors are like:
Interfaces because they are used within other FBs
Connectors because they can be used on the input or mirrored on the output of a FB 


Their example opened questions about whether the LMS FB interfaces are really 1499 enough?

• When should REQ and data inputs be used to set state like dir(ection).
• When should an event like FWD / BK be used to set the direction state internally.
• In part when the event will cause a state change.
• Is it 1499 like enough, if the Event Control Chart has to look at the event && data for transition?

The LMS FBs are SIFBs so no ECCs, but light calibration and line follower application could be.