Yaskawa MotionWorks IEC - Manual (Page 21)

PLCopenPlus Function Blocks for Motion Control 2013-04-13 13
The figure illustrates the sequence of three Function Blocks, 'First',
'Second' and 'Third', controlling the same axis. These three Function
Blocks could be for instance various absolute or relative move
commands. When “First” has completed, the output 'First.Done' triggers
'Second.Execute'. The output 'Second.Done' AND “In13” trigger
'Third.Execute'.