Rockwell Automation 47C626 AutoMax Programming Executive V4.2 - Manual (Page 30)

3Ć4
Refer to the AutoMax PC3000 User's Manual for stepĆbyĆstep
descriptions of connecting the personal computer to an AutoMax
PC3000.
3.5 User Ports
All AutoMax Processor ports in the rack, other than the port used to
connect the Processor to the personal computer, are available for
use by the application programs running on the respective AutoMax
Processor modules. See 10.6 for more information on user ports.
The ports are accessed using the OPEN statement (OPEN PORTA"
or OPEN PORTB") in BASIC tasks. Refer to JĆ3675, the Enhanced
BASIC Language Instruction Manual, for more information on the
OPEN statement. Refer to the AutoMax Processor module data
sheet (JĆ3729), which accompanied the Processor module, or the
AutoMax Processor Instruction Manual (JĆ3650) for a description of
the pins on user ports.