Omron NY532-5400 Reference Manual page 59

 Instructions Processed over More Than One Task Period
TRUE
Execute
FALSE
TRUE
Busy
FALSE
TRUE
Done
FALSE
Processing of the
instruction is started
because Execute is
TRUE. Busy changes
to TRUE and Done
changes to FALSE.
Error, ErrorID, and ErrorIDEx
Error, ErrorID, and ErrorIDEx are output variables that show that an error occurred in the execution of
some FB instructions.
Name Meaning
Error Error
ErrorID Error code
ErrorIDEx Expansion
error code
*1 The value of Error changes to FALSE when the execution condition is no longer met after an error end.
*2 If the execution condition is no longer met when an error end occurs, the value of Error is TRUE for one task period and it
then changes to FALSE.
NY-series Instructions Reference Manual (W560)
Task Task
Task
period period period
Instruction Instruction Instruction
executed. executed. executed.
Busy changes to FALSE and
Done changes to TRUE when
processing of the instruction
is completed normally.
Execute is FALSE, so
Done changes to FALSE.
I/O Description
TRUE: Error end.
FALSE: Normal end, execution in
progress, or execution
condition not met.
This is the error ID for an error end.
Output
The value is WORD#16#0 for a
normal end.
This is the error ID for an Expan-
sion Unit Hardware Error.
The value is DWORD#16#0 for a
normal end.
2 Instruction Descriptions
Task Task Task
period period period
Instruction
Instruction Instruction
executed.
executed. executed.
Even if Execute changes to
FALSE during processing of
the instruction, Busy remains
TRUE until processing of the
instruction is completed.
Data type
*1*2 BOOL
WORD
DWORD
Task Task
period period
Instruction Instruction
executed. executed.
Execute is FALSE at the
end of processing, so
Done is TRUE for one
task period and then it
changes to FALSE.
Initial
Valid range
value
TRUE or
FALSE
---
Depends on
the instruction.
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