Omron NJ Series User Manual

5 Designing Tasks
5-46
NJ-series CPU Unit Software User’s Manual (W501)
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.
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.
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.
Motion Control Period Exceeded Error
Error name Error level Correction
Motion Control
Period Exceeded
Error
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.
Task Execution Timeout Error
Error name Error level Correction
Task Execution
Timeout Error
Major fault Review the task settings and download the user program again.
The power supply must be cycled or the CPU Unit reset.
I/O Refreshing Timeout Error
Error name Error level Correction
I/O Refreshing
Timeout Error
Major fault Review the task settings and download the project again.
The power supply must be cycled or the CPU Unit reset.
IO
UPG
IO
Task Execution Timeout Error occurred.
Infinite loop
Primary period
Primary period
Primary period
Primary period
Primary
periodic task
Timeout Detection Time
Primary periodPrimary periodPrimary periodPrimary period
Primary
periodic task
IO UPG
M
C
IO UPG
M
C
I/O Refreshing Timeout Error occurred.

Omron NJ Series Specifications

General

Brand	Omron
Model	NJ Series
Category	Controller
Language	English