Omron NE1A-SCPU01 - 2006 Operation Manual page 91

Network Status Indication
Seven-segment Display
Normal condition Operating mode: RUN mode
with DeviceNet
Safety I/O communications: Operating or not set
enabled
Operating mode: RUN mode
Safety I/O communications: Not operating
Operating mode: Self-testing, configuring, or idle
Normal condition Operating mode: RUN mode
with DeviceNet
Operating mode: Self-testing, configuring, or idle
disabled
Error conditions Critical error
Abort
Nonfatal error
Note
56
The 7-segment display indicates the NE1A-series Controller's node address
during normal conditions, and the error code and the node address of the
error during error conditions. Also, "nd" is displayed during normal conditions
if DeviceNet communications are disabled (i.e., Standalone Mode).
Status
The errors are indicated by the combination of the MS indicator, NS indicator,
and the 7-segment display. For further details on specific meanings, refer to
Section 10 Troubleshooting.
Section 4-2
Display
Shows the Controller's Lit
node address (00 to
63).
Flashing
Flashing
"nd" Lit
Flashing
Indefinite
Only error code Lit
Only error code Lit
Alternates between displaying the error
code and the node address where the
error occurred.