Aerotech UNIDEX 600 Series, Руководство пользователя

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U600 User’s Guide Glossary of Terms
Version 1.4
Aerotech, Inc.
A-1
APPENDIX A: GLOSSARY OF TERMS
In This Section:
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Introduction ................................................................ A-1
A.1. Introduction
This appendix contains definition of terms used throughout this manual.
Active - A task is active once a program on its call stack has begun execution. A
program is active if it is the top program on a task call stack. A task or program must be
associated before becoming active.
Associated - A task is associated if it has at least one program on its call stack. A
program is associated if it is on at least one of the task call stacks.
Asynchronous Motion - Non-coordinated motion that is independent of CNC execution.
Axis Index - Zero based index used to identify an axis.
Axis Parameters - Parameters that affect the specified physical axis.
Bind - Declaring permanent ownership of a task axis by a task. A task binds a task axis.
Callback - A means of communications between the axis processor and frontend. Implies
the involvement of an interrupt.
Capture - Declaring ownership of a task axis by a task. A task captures a task axis.
Contour Motion - Implies CNC Motion commands G1, G2, G3……
Download (Send) - Implies communications to the axis processor card. Data is always
downloaded or sent to the U600.
Executing - A task is executing if processing the actions of a single program block. A
program is executing if it is active and a block is being processed by a task.