Omron NE1A Series - Indicator;Display Areas

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Nomenclature and Functions Section 2-1
2-1-2 Indicator/Display Areas
Status Indicators
The following LED indicators show the status of the NE1A-series Controller,
network, and I/O circuits.
• MS (module status)
• NS (network status)
• LOCK (configuration lock status)
• COMM (USB communications status)
• IN 0 to 15 (local input status, NE1A-SCPU01(-V1))
• IN 0 to 39 (local input status, NE1A-SCPU02)
• OUT 0 to 7 (local output status)
: ON : Flashing : OFF
Indicator name Color Status Meaning
MS
(module status)
Green Operation status
Idle status
Red Critical error status
Abort status
Green/red Waiting for TUNID setting during self-diagnosis or waiting for
configuration.
- Power is not supplied.
NS
(network status)
Green Online connection has been established.
Online connection has not been established.
Red Unable to communicate.
I/O communications error
Green/red Waiting for TUNID setting.
- Not online or DeviceNet communications disabled (Standalone
Mode).
LOCK
(configuration lock)
Yellow Lock has been completed with a valid configuration.
Lock has not been completed with a valid configuration.
No valid configuration data
COMM
(USB)
Yellow Data transmission/reception in progress.
No data transmission/reception in progress.
NE1A-SCPU01
IN 0, 1, 2, …15
OUT 0, 1, 2, …7
(local I/O status)
NE1A-SCPU02
IN 0, 1, 2 …39
OUT 0, 1, 2 …7
(local I/O status)
Yellow I/O signal is ON.
Red Error detected in I/O circuits.
Discrepancy error has occurred in an input set for Dual Chan-
nel Mode.
Dual channel violation has occurred in an output set for Dual
Channel Mode.
Error detected in the other I/O circuit set for Dual Channel
Mode (no error in this I/O circuit).
- I/O signal is OFF.