Beijer Electronics NA-9379 - Manual (Page 6)

* Status LED Window Description
4. STATUS LED
Item LED is State To indicate :
MOD :
Module
Status LED
Off No Power No power is supplied to the unit.
Green Device Operational The unit is operating in normal condition.
Blinking
Green
Device in Standby
The EEPROM parameter is not initialized yet.
Serial Number is zero value (0x00000000)
Flashing
Green
IAP Mode
Available for firmware download using FireFox.
Blinking
Red
Minor Fault
The unit has occurred hardware fault in self-testing.
- Memory error
Red Major Fault
The unit has occurred hardware fault in self-testing.
- CPU error
NET :
Network
Status LED
Not Used
RUN :
Run/Stop
Status LED
OFF Not Programmed Not Power is supplied or the unit or Not programmed
ON Run PLC Run
Blinking
Green
Stop PLC Stop
Blinking
Red
Diagnostic Diagnostic mode
Field Power
LED
Off Not Supplied Field Power Not supplied 24V dc field power
Green Supplied Field Power Supplied 24V dc field power
I/O :
Expansion
Module
Status LED
Off
Not Powered
No IO Module
Device has no IO module or may not be powered
Flashing
Green
FnBus On-line,
Do not Exchanging I/O FnBus is normal but does not exchanging I/O data
(Passed the IO module configuration).
Green
FnBus Connection,
Run Exchanging IO
Exchanging I/O data
Red
FnBus connection fault
during exchanging IO
One or more IO module occurred in fault state.
- Changed IO module configuration.
- FnBus communication failure.
Flashing
Red
Expansion Configuration
Failed
Failed to initialize IO module
- Detected invalid IO module ID.
- Overflowed Input / Output Size
- Too many IO module
- Initial protocol failure
* Indicator states and flash rates
Blinking
Flashing