Downwards move until interrupted by a signal
One example of this function how to make the robot move downwards until a signal changes.
Examples are valid for:
CB2 Software version: 1.8.16941
CB3 Software version: 3.1.17779
e-Series Software version: All versions
Note that older or newer software versions may behave differently.
These examples can be used for both CB2 and for CB3.
This example shows how to make the robot move downwards until interrupted by a signal.
Robot move from A to B using a Relative position waypoint (named Search_function in the program). 
When we get a signal that robot stops and goes to the Else statement and moved to Else_do. Remember that the If statment "Check expression continuously" need to be ticked.
