
B-63322EN-2/01 3. SOFTWARE CONFIGURATION
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3.3 SOFTWARE CONFIGURATION
System software
Initialization a
power-on
System manager
pplication software
Power-on time start address
High-level task start address
Task information table
Normal-level
process
High-level
process
Start
System call
library
System call
actual
processing
Normal-level task start address
Power-on
time process
Fig. 3.3 (a) Customer's board software configuration
<1> The FANUC-offered customer's board system software performs:
• Power-on time initialization
• System management
• System call processing
<2> The power-on time initialization includes hardware initialization,
after which the system manager is started.
<3> The system manager calls the normal-level and high-level
processes in the application software according to the task
information table.
High-level and normal-level processes
The high-level process is called at 8 ms intervals.
The normal-level process is performed while the high-level process is
not being performed.
CAUTION
The high-level process must be terminated within 8
ms. Otherwise, a system alarm condition may occur.