
Parker Hannifin
26 Programmer’s Guide
System Configuration
The following section helps you understand how to configure your
ACR controller for use.
• Communication Levels
• Hardware Configuration
• Dedicated I/O
• End-of-Travel Limits
• Attachments
• Memory Allocations
Communication Levels
Communication channels are either at the "system" level or at a
"program" level. The command prompt indicates which level a
communication channel is currently at.
Certain commands are limited to a specific level. To determine at
which levels a command might be used, refer to the Prompt Level in
the command description.
System Level
The "system" level is where a communication channel is at after
power-up. The command prompt at this level is as follows:
The set of commands you can issue from the system level is limited.
You can return to the system level from any other level by issuing the
SYS command.
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