model of system effects, traffic network management etc.

road traffic network example


timer point, 30sec on 10sec off repeating

trigger point, trigger when an event occurs [e.g. waiting traffic exceeds 13 vehicles]

switched on while a pressure exceeds a limit

swith to another mode if a pressure exceeds a limit

distance from current point (if relevant)

distance from target (if one defined)

combination elements
	if pressure exceeds x, deactivate for 10 seconds
