Beijer Electronics NA-9379 - Manual (Page 8)

NA-9379
Specification
Revision 1.02
FnBus PIO N/A Page 8
2.3.5. I/O LED (Expantion Module Status LED)
Status LED is To indicate
Not Powered
No Expansion Module OFF Device has no expansion module or may not be powered.
FnBus On-line,
Do not Exchanging I/O Flashing
Green FnBus is normal but does not exchanging I/O data.
(Passed the expantion module configuration)
FnBus Connection,
Run Exchanging I/O Green Exchanging I/O data.
FnBus Connection Fault during
Exchanging I/O Flashing
Red One or more expansion module occurred in fault state.
- Changed expansion module configuration.
- FnBus communication failure.
Expansion Configuration
Failed Red Failed to initalize expansion module.
- Detect invalid expansion module ID.
- Overflowed Input/Output size.
- Too many expansion module.
- Initial protocol failure.
- Mismatch vendor code between adapter and expension module.
2.3.6. Field Power LED (Field Power Status LED)
Status LED is To indicate
Not supplied field power OFF Not supplied 24Vdc field power, 5Vdc system power.
Supplied field power Green Supplied 24Vdc field power, 5Vdc system power.
2.3.7. Indicator states and flash rates
LED ON Constantly ON
LED OFF Constantly OFF.
LED flickering Equal ON and OFF times with a frequency of approximately 10 Hz: ON for approximately
50ms and OFF for approximately 50ms.
LED Flashing Equal ON and OFF times with a frequency of approximately 2, 5Hz: ON for approximately
200ms followed by OFF for approximately 200ms.
LED single flash One short flash (approximately 200ms) followed by a long OFF phase
(approximately 1000ms)
LED double flash A sequence of two short flashes (approximately 200ms), separated by an OFF phase
(approximately 200ms).
The sequence is finished by a long OFF phase (approximately 1000ms)
LED triple flash A sequence of three short flashes (approximately 200ms), separated by an OFF phase
(approximately 200ms).
The sequence is finished by a long OFF phase (approximately 1000ms)
PRELIMINARY