Event name Safety Process Data Communications Not Estab-
lished, Incorrect Frame Error
Event code 35240000 hex
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.
Source details NX Unit Detection tim-
ing
When safety
process data
communica-
tions are estab-
lished
Error attrib-
utes
Level Minor fault Recovery For request to
establish com-
munications
from Safety
CPU Unit after
removing
cause of error
Log category System
Effects User program Continues. Operation The Unit stops operating and the I/O data changes
to the safe states.
System-de-
fined varia-
bles
Variable Data type Name
None None None
Cause and
correction
Assumed cause Correction Prevention
An incorrect frame was received
in safety process data communi-
cations.
Make sure that the system con-
figurations and model numbers
agree for the Safety CPU Unit
and Safety I/O Units.
Set the system configuration and
setup according to the correc-
tions that are given on the left.
There is excessive noise. Implement noise countermeas-
ures.
Implement noise countermeas-
ures if excessive noise caused
the error
.
Attached in-
formation
None
Precautions/
Remarks
None
12 Troubleshooting
12 - 72
NX-series Safety Control Unit User's Manual (Z930)