Omron NX-SL3500

Event code Event name Meaning Assumed cause
Level
Reference
M
a
j
P
rt
M
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n
O
b
s
I
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f
o
80340000 hex
[NX-SL5£££]
CIP Safety
Target Con-
nection
T
imeout
A timeout occurred in
the CIP Safety Target
connection.
• The communications cable is
disconnected or broken.
• The originator device entered
a state where it could not ac-
cept the connection.
• The timeout value for the com-
munications settings is too
small.
• There is excessive noise.
¡
page
12 - 42
84F00000 hex NX Bus I/O
Communica-
tions Stop-
ped
An error occurred in
I/O communications
between the NX bus
master and an NX
Unit.
• There is a hardware error in
the NX bus master or an NX
Unit.
¡
page
12 - 43
l
Operation Continuation Error Related to Program Execution Function
Event code Event name Meaning Assumed cause
Level
Reference
M
a
j
P
rt
M
i
n
O
b
s
I
n
f
o
74A00000 hex SF_Antiva-
lent Error
An error was detect-
ed in execution of a
safety function block.
Refer to information on the diag-
nostic code that is given for at-
tached information 1 in the NX-
series Safety Control Unit
Instructions Reference Manual
(Cat. No. Z931).
¡
page
12 - 44
74A10000 hex SF_EDM Er-
ror
An error was detect-
ed in execution of a
safety function block.
Refer to information on the diag-
nostic code that is given for at-
tached information 1 in the NX-
series Safety Control Unit
Instructions Reference Manual
(Cat. No. Z931).
¡
page
12 - 44
74A20000 hex SF_Emer-
gencyStop
Error
An error was detect-
ed in execution of a
safety function block.
Refer to information on the diag-
nostic code that is given for at-
tached information 1 in the NX-
series Safety Control Unit
Instructions Reference Manual
(Cat. No. Z931).
¡
page
12 - 45
74A30000 hex SF_Enable-
Switch Error
An error was detect-
ed in execution of a
safety function block.
Refer to information on the diag-
nostic code that is given for at-
tached information 1 in the NX-
series Safety Control Unit
Instructions Reference Manual
(Cat. No. Z931).
¡
page
12 - 45
12 Troubleshooting
12 - 21
NX-series Safety Control Unit User's Manual (Z930)
12-3 Checking for Errors with the Sysmac Studio
12
12-3-3 Event Codes for Errors and Troubleshooting Procedures