Omron NE1A-SCPU01 - 2006 Operation Manual page 57

Nomenclature and Functions
Seven-segment Display
Normal conditions 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 conditions Operating mode: RUN mode
with DeviceNet
Operating mode: Self-testing, configuring, or idle
disabled
Error conditions Critical error
Abort
Serious injury may possibly occur due to loss of required safety functions.
Do not use the NE1A-series Controller's indicators for safety operations.
22
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
Nonfatal error
The errors are indicated by the combination of the MS indicator, NS indicator,
Note
and the 7-segment display. For further details on specific meanings, refer to
Section 10 Troubleshooting.
Shows the NE1A-
series Controller's
node address
(00 to 63).
"nd"
Indefinite
Only error code
Only error code
Alternates between displaying the error
code and the node address where the
error occurred.
!WARNING
Section 2-1
Display
Lit
Flashing
Flashing
Lit
Flashing
Lit
Lit