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Console To Base Communication
The processor in the console provides user input, user display and
automated control to the system. The processor in the lower electronics
module performs the actual machine function.
The two processors communicate via a serial data stream. When the user
makes a requests a machine function to take place via the keypad, the
console processor communicates the request to the processor in the lower
electronics module.
Once the lower processor receives the request the lower control module
performs the machine task associated with the request. The console
processor continues to monitor keypad entry and provide display feedback.
The lower processor also provides status back to the console processor
(via the serial data stream) to report if everything occurred properly,
or if an error code needs to be written to the error log.
Figure 5: AC Drive Treadmill System
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