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4 USER GUIDE
4.1 Software Configuration of IR.LINK System
The software configuration of the IR.LINK system is shown in the figure below. The
communication control programs and sub-OS in the figure need not be loaded into memory by the
user because they are ROM programs.
User task
program
Interrupting
task
registration
table
NET status
S-register
I/O area
CPU
S-table
Communication
I/O buffer
control
program
IR.LINK
: ROM program
: User-created program
: Table or buffer
Slave
parameter
table
ROM
Sub-OS
4-2
ROM
Communication
control
program
RAM
Cable
Send/Receive
buffer
IR.Station
PI/O
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