Omron NX-SL3300 User Manual page 484

12 Troubleshooting
Event name Safety Process Data Communications Not Estab-
lished, Incorrect Frame Error
Meaning Safety process data communications was not established with the Safety CPU Unit because an incorrect
frame was received.
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
An incorrect frame was received
in safety process data communi-
cations.
There is excessive noise.
Attached in- None
formation
Precautions/ None
Remarks
12 - 72
Source details NX Unit
Minor fault Recovery
Continues. Operation
Data type
None
Correction
Make sure that the system con-
figurations and model numbers
agree for the Safety CPU Unit
and Safety I/O Units.
Implement noise countermeas-
ures.
Event code 35240000 hex
Detection tim-
ing
For request to Log category
establish com-
munications
from Safety
CPU Unit after
removing
cause of error
The Unit stops operating and the I/O data changes
to the safe states.
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.
NX-series Safety Control Unit User's Manual (Z930)
When safety
process data
communica-
tions are estab-
lished
System