
B-63322EN-2/01 4. COMMUNICATION BETWEEN THE CNC AND CUSTOMER'S BOARD
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4.1 APPLICATION SOFTWARE PROCESSING
(a) Power-on time processing
The application software is requested to perform the following power-
on time processing when called from the system-side process.
• Initialization, such as parameter-related operations for running
software
• Setting a ready flag (RRDY2) for high-level data transfer 2 to 1 (this
flag controls data transfer from the application to the CNC), and, if
necessary, simultaneously setting high-level data
CAUTION
The system-side software initializes (clears to 0) the
work area. The application software should not
initialize it.
(b) High-level task process
The application software's high-level task process, called from the
system side, must control:
• Ready flags for high-level data transfer 1 and 2
• Routines that must be executed at regular (8 ms) intervals to
implement unique functions.
(c) Normal-level task process
• The normal-level task process implements unique functions for the
machine tool builder.