The skip condition is defined ahead of time in the program as SKIP CONDITION [Variable] [Math] [Variable]. This sets up the variable for it to evaluate later on when called as a motion option.
When This Instruction is Reached
The robot controller's processor will set a sort of interrupt that will trigger based on the evaluation of the equation. No motion or registers are changed by this instruction, and functionally works like a blank line.
When to Add This Instruction
When you intend to add a SKIP condition modifier to the end of a motion line, to affect the following lines.
How to Add This Instruction
What Else is Needed to Use This Instruction
This instruction doesn't have prerequisites and can be placed anywhere. This instruction is a prerequisite for the motion option SKIP.