Omron NX-SL3300 User Manual page 449

Event name Safety Process Data Communications Timeout
Meaning A communications timeout occurred in safety process data communications with the Safety Control Unit.
Source Depends on where the Sysmac
Studio is connected and the sys-
tem configuration.
Error attrib- Level
utes
Effects User program
System-de- Variable
fined varia-
None
bles
Cause and Assumed cause
correction
A setting is not correct. The set-
ting of the safety task period is
too short.
There is excessive noise.
The Safety CPU Unit or safety
slave entered a status where it
could not continue safety proc-
ess data communications.
An error or status change occur-
red in the NX Bus Master to
which the Unit is connected, pre-
venting correct process data
communications.
Attached in- None
formation
Precautions/ The relevant Units will maintain the safe states for I/O data with safety connections after an error is de-
Remarks tected. However, when the cause of the error is removed, safety process data communications will re-
cover automatically.
NX-series Safety Control Unit User's Manual (Z930)
Source details NX Unit
Minor fault Recovery
Continues. Operation
Data type
None
Correction
Increase the safety task period
and then transfer the settings to
the Safety CPU Unit.
Implement noise countermeas-
ures.
Check the status of the Safety
CPU Unit or safety slave.
Check the status of the NX Bus
Master to which the Unit is con-
nected.
12 Troubleshooting
Event code 80300000 hex
Detection tim-
ing
Automatic re- Log category
covery when
cause of error
is removed
The Unit continues to operate, but the safe states
are used for the I/O data of safety connection
where the error was detected.
Name
None
Prevention
Set the system configuration and
setup according to the correc-
tions that are given on the left.
Implement noise countermeas-
ures if excessive noise caused
the error.
Refer to troubleshooting informa-
tion for the Safety CPU Unit or
safety slave.
Set the system configuration and
setup according to the correc-
tions that are given on the left.
In DEBUG
mode (STOP-
PED), DEBUG
mode (RUN),
or RUN mode
System
12
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