Rockwell Automation 8520-MUM 9/Series CNC Mill Operation and Programming Manual Documentation Set - Manual (Page 94)

Offset Tables and Setup
Chapter 3
3-20
4. Once the data to save has been selected, determine the destination for
the G10 program from these three options:
Press the {TO PORT A} softkey to send the G10 program to a
peripheral attached to port A.
Press the {TO PORT B} softkey to send the G10 program to a
peripheral attached to port B.
Press the {TO FILE} softkey to send the G10 program to control
memory.
5. When the {TO FILE} softkey is pressed, the control will ask for a
program name to store the program as. Enter the program name
using the alphanumeric keys on the operator panel and press the
[TRANSMIT] key (See the section on program names in chapter 10).
The G10 program will be saved under the file name just entered.