Interrupt From C Controller Module - Mitsubishi Electric MELSEC Q Series User Manual

14.2.1

Interrupt from C Controller module

The following describes how to interrupt from the C Controller module (another CPU)
(1) Operation timing
C Controller module (another
CPU) user program
C Controller module interrupt
routine (interrupt program)
C Controller module user
program
(2) Functions
The following shows the functions used for interrupt from C Controller module (another CPU)
Function name
QBF_GINT
Remark
The bus interface function (QBF_GINT) may also issue an interrupt to a Motion CPU.
Executing an interrupt
routine (interrupt program)
Interrupt routine (interrupt
program) in waiting status
QBF_WaitEvent function executed
Interrupt event in waiting status by user program
*1: Interrupt event notified after the interrupt routine (interrupt program) ends
Issues an interrupt to another CPU.
When receiving an interrupt from another CPU, a C Controller module resumes the user
program that is waiting for an interrupt event by the QBF_WaitEvent function.
CHAPTER 14 FUNCTIONS USED BY MULTIPLE CPU SYSTEM
Q24DHC-LS
Q24DHC-V Q24DHC-VG
.
QBF_GINT function executed
Interrupt issued
Interrupt routine (interrupt program) in waiting status
*1
Interrupt event notified
User program resumed
Function
Q26DHC-LS
Q12DC-V
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