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CHAPTER 8 PROGRAMMING
8
8.1 Program Example of a Single Network System
8.1.5 Program example of an interrupt request
8.1.5 Program example of an interrupt request
The following shows a program example of an interrupt request.
(1) Overview of the program example
In the program example in this section, the interrupt program of station No. 2 is activated when the Data link
status of own station (SB0049) is ON (data link error occurrence).
(2) Setting (set in station No. 2)
(a) Interrupt setting
Fill in the interrupt setting parameter sheet. ( Page 659, Appendix 5.5)
Complete settings in the programming tool based on the contents filled in the parameter sheet.
(b) Interrupt pointer setting of intelligent function module
Set interrupt pointers of an intelligent function module in the "PLC System" tab opened by clicking [PLC
Parameter].
SB0049 SB0049
SBSB
SM400
I51
IRET
CPU module
Data link error
CPU module
Receive
processing
Control station
No.1
Normal station
No.2
Network No.1
Network No.
Station No.
No. Device code Device No.
Detection
method
Interrupt
condition
Word
device:
Setting value
Board No.
Interrupt
(SI) No.
1
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