Mitsubishi QCPU (Q Mode) User Manual

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MELSEC-Q
10 DEVICES
(f) Using local devices when executing an interrupt/fixed scan execution type
program
It is possible to use local devices in the file where an interrupt/fixed scan
execution type program is stored when executing an interrupt/fixed scan
execution type program.
The local devices can be set available/unavailable by special relay "SM777"
ON/OFF setting.
1) Switching over local devices by setting ON/OFF for a special relay
(SM777)
SM777
OFF
Executes operation with the local devices in the file which was
executed before the execution of the interrupt/fixed scan execution
type program.
ON
Executes operation with the local devices in the file where the
interrupt/fixed scan execution type program is stored.
[Operation at "SM777 : OFF"]
DECP
D1
X0
INCP D0
X2
END
Local devices used by
the file name: ABC
File name: ABC
Local devices used by
the file name: DEF
File name: DEF
(Standby program)
IRET
I0
Interrupt
program
Occurrence
of interrupt
Execution of the
interrupt program
Read/write of the
local devices
[Operation at "SM777 : ON"]
DECP
D1
X0
INCP D0
X2
END
Local devices used by
the file name: ABC
File name: ABC
Local devices used by
the file name: DEF
File name: DEF
(Standby program)
IRET
I0
Interrupt
program
Occurrence
of interrupt
Execution of the
interrupt program
Read/write of the
local devices
REMARK
For details on SM777, see Appendix 1.

Mitsubishi QCPU (Q Mode) Specifications

General

Brand	Mitsubishi
Model	QCPU (Q Mode)
Category	Controller
Language	English