Which position type is considered global?

The option indicating that PR[x] is considered a global position type is correct. In FANUC robots, "PR" stands for "Position Register." Position Registers are used to store and recall specific positions within the robot's workspace and are defined in a global context. This means that PRs are accessible throughout the entire program, allowing various routines to utilize the same registered positions without needing to redefine them.

By contrast, "P[x]" typically refers to Cartesian coordinates for points defined locally within a specific routine or function. These positions can often be temporary and are not as universally accessible as PR[x]. Because of this distinction, the symbol PR[x] is the appropriate choice for denoting a global position type, wherein all parts of an application can reference the stored positions without losing context.

Understanding the differences in position types and their accessibility is essential when programming FANUC robots, as it directly impacts how efficiently a program can operate and how easily different components can communicate with each other regarding spatial orientation and location.