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MELSEC-Q
8 PROGRAMMING
8.3 Example of a Program Using the Coincidence Detection Interrupt Function
The following describes an example of a program that starts an interrupt program upon
detection of coincidence with the channel 1 coincidence output point No. 1.
(1) Interrupt point setting
Set the interrupt pointer by selecting "PLC parameter" - " PLC system" –
"Intelligent functional module setting" – "Interrupt point settings" in the project
data list of GX Developer.
(2) Program example
Before using an interrupt pointer, an interrupt must be enabled using the IMASK
instruction.
Interrupt program
QD62(E/D) program
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