Hardware reference guide

Quantum Field Bus Modules
252
35013379 02 October 2007
LED Indicators,
Descriptions,
and Status
The condition of the NOL module is indicated by the status (off, on, or blinking) of
the LED indicators. The following figure shows the LED indicators.
The following table shows the LED descriptions.
The following table shows the LED Indicator Status.
LED Descriptions
LEDs Function
Active Bus communication is present.
Ready Module has passed internal diagnostics, and is configured.
MSG In Flashes every 10 ms when an update message for a bound network variable
is received by the NOL module from the LonWorks network.
MSG Out Flashes every 10 ms when an update message for a bound network variable
is transmitted by the NOL module to the LonWorks network.
Wink Flashes briefly when the NOL module receives a wink message from the
LonWorks network. Also used to display internal error codes defined in the
Wink LED Error Codes table.
Srvc Indicates status of LonWorks network service.
Active
Ready
Srvc
MSG In
MSG Out
Wink
LED Indicator Status
LED Color Condition of NOL Module Error Condition
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Not Configured
Not Programmed
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Configured
Not
Programmed
Normal
Operation
Configured
Programmed
Active Green Off Off On
Off
1
Ready Green Blink On On
Off
2
MSG In Green Off Off Blink N/A
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