Motion Control Period - Omron NJ-series User Manual

5 Designing Tasks
Motion Control Period Exceeded Error
A Motion Control Period Exceeded Error occurs if the motion control processing (MC) is not completed
within the primary period (i.e., the motion control period) twice or more in a row. A partial fault level Con-
troller error will occur in the Motion Control Function Module. A Task Period Exceeded Error will occur at
the same time.
Error name
Motion Control
Period Exceeded
Error
Task Execution Timeout Error
A Task Execution Timeout Error occurs if task processing is not completed within the specified Task
Execution Timeout Time.
This is a major fault level Controller error. Execution of the user program stops when the error occurs.
This error also occurs when normal task operation is not possible due to errors in program logic, such
as infinite loops.
Primary
IO
periodic task
Error name
Task Execution
Timeout Error
I/O Refreshing Timeout Error
An I/O Refreshing Timeout Error occurs when I/O refreshing for the primary periodic task or a prior-
ity-16 periodic task is not completed within the period twice or more in a row.
This is a major fault level Controller error. Execution of the user program stops when the error
occurs.
Primary
periodic task
Error name
I/O Refreshing
Timeout Error
5-46
Error level
Partial fault Reduce the amount of processing in the programs or increase the
control period within the range that does not adversely affect opera-
tion.
Timeout Detection Time
Primary period
Primary period
IO
UPG
Infinite loop
Error level
Major fault Review the task settings and download the user program again.
The power supply must be cycled or the CPU Unit reset.
Primary period Primary period Primary period
M
IO UPG
C
I/O Refreshing Timeout Error occurred.
Error level
Major fault Review the task settings and download the project again.
The power supply must be cycled or the CPU Unit reset.
Correction
Primary period
Task Execution Timeout Error occurred.
Correction
Primary period
M
IO UPG
C
Correction
NJ-series CPU Unit Software User's Manual (W501)
Primary period