Vacon NX OPTC2 - LED Indications

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3
3.6 LED indications
The two LED indications next to the connector show the present statuses of the RS-485 board (yellow)
and the Fieldbus Module (green).
Figure 10. LED indications on the RS-485 board
RS-485 board status LED (BS) YELLOW
LED is:
Meaning:
OFF Option board not activated
ON Option board in initialisation state waiting for activation
command from the frequency converter
Blinking fast
(once/sec)
Option board is activated and in RUN state
•
Option board is ready for external communication
Blinking
slow
(once/5 secs)
Option board is activated and in FAULT state
• Internal fault of option board
Fieldbus status LED (FS) GREEN
LED is:
Meaning:
OFF Fieldbus module is waiting for parameters from the fre-
quency converter
•
No external communication
ON Fieldbus module is activated
• Parameters received and module activated
•
Module is waiting for messages from the bus
Blinking fast
(once/sec)
Module is activated and receiving messages from the bus
Blinking
slow
(once/5 secs)
Module is in FAULT state
• No messages from Master within the watchdog time
•
Bus broken, cable loose or Master off line
X4
X1
1
2
3
4
5
Yellow
Green