Omron NX-SL3500

Event code Event name Meaning Assumed cause
Level
Reference
M
a
j
P
rt
M
i
n
O
b
s
I
n
f
o
65280000 hex Stuck-at-
high Detect-
ed at Safety
Output
It was detected that
the safety output ter-
minal is stuck ON.
• The positive power supply line
is in contact with the output
signal line.
• The output power supply is
outside the specifications.
• The internal circuit is faulty
.
• A memory error or signal error
occurred due to a transient
cause, such as a software er-
ror or excessive noise.
¡
page
12 - 87
l
Other Errors
Event code Event name Meaning Assumed cause
Level
Reference
M
a
j
P
rt
M
i
n
O
b
s
I
n
f
o
80220000 hex NX Message
Communica-
tions Error
An error was detect-
ed in message com-
munications for an
NX Unit and the mes-
sage frame was dis-
carded.
• The message communications
load is high.
• The communications cable is
disconnected or broken.
• Message communications
were cut of
f as the result of ex-
ecuting a synchronization or
restoration operation on the
Sysmac Studio or as the result
of disconnecting an EtherCA
T
slave.
¡
page
12 - 88
l
User Access Log
Event code Event name Meaning Assumed cause
Level
Reference
M
a
j
P
rt
M
i
n
O
b
s
I
n
f
o
90400000 hex Event Log
Cleared
The event log was
cleared.
The event log was cleared by the
user.
¡
page
12 - 89
90430000 hex
Memory All
Cleared
The Unit settings
were cleared.
The Clear All Memory operation
was performed.
¡
page
12 - 89
12 Troubleshooting
12 - 30
NX-series Safety Control Unit User's Manual (Z930)