Aerotech UNIDEX 600 Series, Руководство пользователя

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Glossary of Terms U600 User’s Guide
A-2
Aerotech, Inc.
Version 1.4
Free - Releasing of ownership of a task axis by a task.. A task frees a task axis.
Global Parameters - Parameters that affect the over system.
Global Variables - A variable that can be accessed or shared by any task or program.
Machine Parameters - Parameters that affect the specified physical axis.
Map - A way to relate task axes to physical axes. Map a task axis to a physical axis.
Physical Axis - Implies direct correlation to hardware. Physical Axis 1 is channel 1.
Point-to-Point Motion - Implies CNC Motion Commands G0.
Program - Programs are loaded independently of any task. The program contains code,
variable, and label information. A program can be associated with any number of tasks.
Program code and label information are common to all tasks. Program variables are
specific to the process.
Program Handle - An identifier that is assigned to a program that the axis processor
uses to identify that program.
Program Variables - A variable that is local-in-scope to a given program. These are
local to the currently active program.
Read (Open) - Implies file access. A file is always read or opened.
Task (Process) - An independently running process containing its own set of parameters,
variables, and call stack.
Task Axis - Used by a task and mapped to a physical axis. Designated by following
letters - X Y Z U V W A B x y z u v w a b.
Task Index - Zero based index used to identify a task.
Task Parameters - Parameters that affect a given task.