Omron NE1A-SCPU01 - 07-2009 Operation Manual page 273

Indicator/Display Status and Corrective Actions for Errors
Indicators/display
NS Seven-
segment
display
--- P4
Node
address of
error
--- P5
Node
address of
error
Note
Errors in Controllers that Support EtherNet/IP
Fatal Errors
Indicators/display
MS NS Seven-
segment
display
UF
OFF
Lit red
Nonfatal Errors
Indicators/display
MS NS Seven-
segment
display
F0↔n4 ---
Lit red
E3↔n4 ---
OFF
F2↔n4 ---
OFF
E9↔n4
OFF
Lit red
F4↔n4
OFF
Lit red
Error history
I/O Name
Input PS Voltage
Low
All OFF
Output PS Voltage
Low
All OFF
(1) Not saved in Pre-Ver. 1.0 Controllers, but saved in Controllers with unit
version 1.0 or later (including Controllers that support EtherNet/IP).
(2) These functions are not supported by Pre-Ver. 1.0 Controllers. The error
information is saved in Controllers with unit version 1.0 or later (including
Controllers that support EtherNet/IP).
Error history
Name Saved in
nonvolatile
memory
System Fail- Yes
ure
Error history
Name Saved in
nonvolatile
memory
IP Address Yes
Duplication
Error
Server Con- Yes
nection
Error
Ethernet Yes
Basic Set-
ting Error
Memory Yes
Access
Error
Communi- Yes
cations
Controller
Error
Cause
Saved in
nonvola-
tile
memory
See note I/O power
1. (input) is not con-
nected
although a safety
input terminal or
test output termi-
nal is used.
See note I/O power (out-
1. put) is not con-
nected although
a safety output
terminal is used.
Cause
EtherNet/IP adaptor hard-
ware error
Cause
IP address duplication
error
BOOTP server connection
error
Basic setting logic pro-
cessing error
EtherNet/IP memory error Cycle the power supply. If the
EtherNet/IP communica-
tions controller error
Section 12-3
Corrective actions
Check the following points:
• Make sure the power supply
voltage is set within the speci-
fied range.
• Make sure a cable or wire is
not disconnected.
Corrective actions
Turn the power OFF and back
ON, and check operation. If the
problem occurs again, it may be
necessary to replace the Con-
troller.
Corrective actions
The same IP address is set for
another device on the network.
Correct the settings so that there
is no duplication, and then turn
the power ON again.
Check the following points.
• Make sure the cable is con-
nected correctly.
• Make sure the BOOTP server
is operating normally.
Correct the configuration. If the
problem occurs again, replace
the Controller.
problem occurs again, replace
the Controller.
Cycle the power supply. If the
problem occurs again, replace
the Controller.
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