Omron NX-SID Series User Manual page 357

Event code Event name
80300000 hex Safety Process
Data Communi-
cations Timeout
84F1 0000 hex NX Bus I/O Com-
munications
Stopped
 Safety I/O Errors
Event code Event name
05210000 hex Internal Circuit
Error at Safety
Input
05220000 hex Internal Circuit
Error at Test Out-
put
05230000 hex Internal Circuit
Error at Safety
Output
65200000 hex I/O Power Sup-
ply Voltage Error
65210000 hex Output Power
Interrupt Circuit
Error
65220000 hex External Test Sig-
nal Failure at
Safety Input
NX-series Safety Control Unit User's Manual (Z930)
Meaning Assumed cause
A communica- • A setting is not correct. The
tions timeout setting of the safety task
occurred in safety period is too short.
process data
• There is excessive noise.
communications
• The Safety CPU Unit or safety
with the Safety
slave entered a status where it
Control Unit.
could not continue safety pro-
cess data communications.
• An error or status change
occurred in the Communica-
tions Coupler Unit to which the
Unit is connected, preventing
correct process data commu-
nications.
An error occurred There is a hardware error in the
in I/O communi- Communications Coupler Unit or
cations between an NX Unit.
the Communica-
tions Coupler
Unit and an NX
Unit.
Meaning Assumed cause
A fault was • The internal circuit for the
detected in the safety input terminal is faulty.
internal circuit for
• A memory error or signal error
the safety input
occurred due to a transient
terminal.
cause, such as an excessive
noise.
A fault was • The internal circuit for the test
detected in the output terminal is faulty.
internal circuit for
• A memory error or signal error
the test output
occurred due to a transient
terminal.
cause, such as an excessive
noise.
A fault was • The internal circuit for the
detected in the safety output terminal is faulty.
internal circuit for
• A memory error or signal error
the safety output
occurred due to a transient
terminal.
cause, such as an excessive
noise.
An incorrect I/O • The input power or output
power supply power is not supplied cor-
voltage was rectly.
detected.
An error was • The wiring is not correct or
detected by the there is a fault in the hard-
output power ware.
interruption test.
An error was • The positive power supply
detected in test wire is in contact with the input
pulse evaluation signal line.
of the safety input
• The input signal lines are
terminals.
shorted.
• The external device is faulty.
9 Troubleshooting
Level
Maj Prt Min Obs Info
√
√
Level
Maj Prt Min Obs Info
√
√
√
√
√
√
Reference
P. 9-39
P. 9-39
Reference
P. 9-40
P. 9-40
P. 9-41
9
P. 9-41
P. 9-42
P. 9-43
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