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15
(2) Functional differences for Interrupt inputs
The following operation differences exist between CJ1M / CJ2M in the interrupt input function. If used,
check that the operation is not affected.
Interrupt Inputs
CJ1M
CJ2M
Description
Update method for
interrupt counter SV
(Counter Mode)
Updating interrupt
counter SV in Auxiliary
Area
Updating
interrupt
counter SV in Auxiliary
Area and then executing
MSKS again to enable
interrupts
Add MSKS instruction, if
you use this operation.
Update method for
interrupt counter PV
(Counter Mode)
・
Updating with INI
instruction
・
Updating interrupt
counter PV in Auxiliary
Area
Updating with INI
instruction
Change to INI instruction,
if you use Auxiliary for
updating.
Updating timing for
interrupt counter PV
(Counter Mode)
・
Once per count
・
When PRV instruction is
executed
・
Every cycle
・
When count completion
interrupt occurs
・
When PRV instruction is
executed
Make sure that it does
not affect operation.
If it is affected, it is
necessary to change the
program etc.
Operation of interrupt
counter when interrupts
are disabled with DI
instruction
Counter operation not
countinued
Counter operation
continued, but interrupt
will not occur at count
completion
Make sure that it does
not affect operation.
If it is affected, it is
necessary to change the
program etc.
Содержание CJ2M-CPU Series
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