Honeywell LonWorks, Installation And User Manual

Page: 11 / 30

Layout, connections and installation
Honeywell
• 9
4.1.2 LED indications
The three LED indications (see Figure 2) next to the connector show the present statuses of
the Neuron (green H3), the LonWorks board (yellow H2) and the Fieldbus Module (green H1).
From the user's viewpoint, the first two are the most significant.
Neuron status (H3) GREEN
Board status LED (H2) YELLOW
Bus status LED (H1) GREEN
LED is Meaning State code
OFF Configured 4
ON Applicationless and Unconfigured 3
Flashing Unconfigured 2
Table 5.
LED is Meaning
OFF Option board not activated
ON
Option board in initialisation state waiting for activation com-
mand from the frequency converter
Blinking fast
(once/1 s)
Option board is activated and in RUN state
Option board is ready for external communication
Blinking slow
(once/5 s)
Option board is activated and in FAULT state
Internal fault on option board
Table 6.
LED is Meaning
OFF
Fieldbus module is activated
Parameters received and module activated
Module is waiting for messages from the bus
ON
Fieldbus module is activated
Parameters received and module activated
Module is waiting for messages from the bus
Blinking very fast
for 5s (once/0.2 s)
Fieldbus module has received a wink request
Blinking fast
(once/1 s)
Module is activated and receiving messages from the bus
Blinking slow
(once/5 s)
Module is in FAULT state
No messages from Net within the watchdog time
Bus broken, cable loose
Table 7.