3-32 Monitoring and Diagnostics VisualMotion 9 Troubleshooting Guide
DOK-VISMOT-VM*-09VRS**-WA02-EN-P
496 Can't execute this instruction from an event
Cause:
This user program instruction (icon) cannot be executed from within an
event function. See the task error descriptions and the current program
instruction. Some operations, such as sequencer initialization, cannot
take place during an event.
Remedy:
Move the instruction (icon) into a main user task or subroutine.
497 Limit switch config. error, see ext. diag.
Cause:
This error is issued at activation of a program when one of the PLS
parameters defined in the program is invalid. It is also issued when the
ELS setup is incorrect for PLS operation.
Remedy:
Parameter C-0-0124 provides a detailed description of the error as an
extended diagnostic message. Extended diagnostics can be viewed by
selecting Diagnostics ⇒
⇒⇒
⇒ System in VisualMotion Toolkit.
498 Drive %d Shutdown Warning
Cause:
This error is issued when any drive %d (where %d = drive number) has a
Class 2 shutdown warning. The tasks that stop for errors switch into
manual mode and perform a controlled stop of all axes. A drive warning
indicates a condition that will later cause a shutdown, but is serious
enough to require immediate attention.
Note: Class 2 warnings may not be detected by the control if drive
parameter S-0-0012 is being continuously read by the user
interface or user program, since the diagnostic change bit is
reset whenever this parameter is read.
Remedy:
1. Since the warning may have already been cleared on the drive, the
extended diagnostic (C-0-0124) latches the class 2 diagnostic bits
(drive parameter S-0-0012) from the drive so that this condition can
be corrected. Extended diagnostic can be view under Diagnostics ⇒
⇒⇒
⇒
System.
2. Using VisualMotion Toolkit, open DriveTop under menu selection
Commission ⇒
⇒⇒
⇒ Drive Overview and view the status line for a
description of the drive error. Refer to the drive manual for more
information.
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