Rockwell Automation 8520-MUM 9/Series CNC Mill Operation and Programming Manual Documentation Set - Manual (Page 22)

Using This Manual
Chapter 1
1-4
The term PAL is an abbreviation for Programmable Application Logic.
This is a ladder logic program that processes signals between the CNC
and the machine. It is usually programmed by the system installer.
System Characteristics:
Metric
Absolute
IPM
To make this manual easier to read and understand, we shortened the full
product names and features. Shortened terms include:
AMP — Adjustable Machine Parameters
Backup — Memory storage area not requiring battery maintenance
CNC — Computer Numerical Control
CPU — Central Processing Unit (the computing part of the control)
CRT — Cathode Ray Tube (the control’s monitor screen)
the control — the 9/230, 9/240, 9/260 or 9/290 CNC
ESTOP — Emergency Stop
Flash memory — programmable, non-volatile memory
HPG — Hand Pulse Generator
I/O — Input/Output
MDI — Manual Data Input
modal — an operating condition that remains in effect on the control
until cancelled or replaced
MTB — Machine Tool Builder
ODS — Offline Development System
PAL — Programmable Application Logic
RAM — Random Access Memory resident on the 9/240
softkeys — the row of keys directly below the screen
system installer — the company or contractor responsible for installing
this control on the machine
1.4
Terms and Conventions