Toshiba PROSEC T1-16S User Manual page 211

FUN 141 DI
Expression
Input [ DI ] Output
Function
When the input is ON, this instruction disables the execution of user designated interrupt operation,
i.e. timer interrupt program and I/O interrupt programs.
Execution condition
Input
OFF No execution
ON Execution
Operand
No operand is required.
Example
In the above example, the interrupt is disabled when R000 is ON, and it is enabled when R000
is OFF.
Note
Refer to the EI instruction (FUN 140).
If an interrupt factor is occurred during the interrupt disabled state, the interrupt is kept waiting
and it will be executed just after the EI instruction is executed.
The DI instruction can be used only in the main program.
Disable interrupt
Operation
7. Instructions
Output
OFF
ON
Basic Hardware and Function
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