Browse FAQs

What are the meaning of the BMXNOC0401 Status LEDs

Published date: 27 August 2019

Title
BMXNOC0401 Status LEDs
 
Issue
Meaning of the BMXNOC0401 Status LEDs
 
Product Line
BMXNOC0401
 
Environment
Unity Pro
 
Resolution
 Below is the BMXNOC0401 status LED Descriptions. The LED display is used to diagnose the state of the module, as follows:

RUN
Off: Indicates that the module is not communicating with the CPU over the backplane.
Steady Green: Indicates that the module: has just been turned on and has not yet started the LED power-up test, or is communicating with the CPU over the backplane

ERR
Off: The module is operating normally.
Blinking Red: The module is not configured (or the configuration is in progress), or backplane communication has stopped.
Steady Red: The module has detected an event.

MS (Module Status)
Off: Power is not being supplied to the module.
Steady Green: The module is operating normally.
Blinking Green: The module has not been configured.
Steady Red: The module has detected a major event.
Blinking Red: The module has detected a recoverable event.

NS (Network Status)
Off: Power is not being supplied to the module, or the module has not been assigned an IP address.
Steady Green: The module has established at least one CIP connection.
Blinking Green: The module has obtained an IP address but has not established any CIP connections.
Steady Red: The module has detected that its IP address is a duplicate IP address.
Blinking Red: One or more CIP connection (with the module as target) have timed out.

ETH STS  (Ethernet Status)
Off: No power is supplied to the module.
Steady Amber: Indicates that the module is operating normally.
Four flashes: The module has detected a duplicate IP address.
Five flashes: The module is waiting for a served IP address.
Six flashes: The module is using its default IP address.
Seven flashes: The module has detected a configuration error.
NOTE: If more than one diagnostic condition exists simultaneously, the Ready LED displays the shortest flash sequence.

LNK (Link)
Off: An Ethernet link has not been established.
Yellow: A 10 Mbit Ethernet link has been established
Green: A 100 Mbit Ethernet link has been established

ACT (Activity)
Off: There is no receive or transmit activity.
Flashes Green: Indicates activity.

Was this helpful?

What can we do to improve the information ?

Can't find what you are looking for?

Reach out to our customer care team to receive information on technical support, assistance for complaints and more.