Application Example - Mitsubishi Electric Melsec QJ71LP21 Reference Manual

Q corresponding melsecnet/h network system
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7
APPLICATION FUNCTIONS

7.5.6 Application example

Device code
RECVS
instruction
7 - 121
The following explains the parameter settings and program examples.
(1) How to set the parameters on the interrupt setting screen (network
parameters)
Set the device code, channel No., and interrupt (SI) No. so that an event is
issued to the CPU side when data are received at channel 5 of the network
module in the station number 15.
Detection
Device No.
method
(Edge
detection)
(2) How to set the parameters on the interrupt pointer setting screen
(PC parameters)
Set the start I/O No. (0000) of the I/O where the network module is loaded and
the interrupt SI No. (0) on the intelligent module side, and the interrupt pointer
(I50) that is used for even issue on the CPU side. It is also possible to start
multiple interrupt programs by setting the interrupt pointer No. of units (setting
count of interrupt conditions).
PLC side
Interrupt pointer
Interrupt pointer
Start No.
No. of module
50
Interrupt
Word device
condition
Setting value
(Scan
completed)
Start I/O No.
1
0000
MELSEC-Q
Board No.
5
Intelli. module side
Start SI No.
0
Interrupt (SI)
No.
0
7 - 121

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