LED Description

LED state represents the status of the fieldbus board.

• SYS: System Status LED

  LED State	Description
  Green	Operating in normal condition
  Flashing Green/Yellow	Waiting for firmware to load
  Yellow	Waiting for firmware (netX) to load
  OFF	The power supply to the device is missing or hardware may have faults.

• MNS: Module Network Status LED

  For the DeviceNet Master protocol, the communication status LED MNS can assume the states described below.

  LED	Color	State	Description
  MNS	Duo LED red/green
  	(Green)	ON	Device operational and on-line, connected: Device is online Connections with all slaves are established.
  	(Green)	Flashing (1 Hz)	Device operational and on-line: Device is online, No connection is established. Configuration missing, incomplete or incorrect
  	(Green, Red, OFF)	Flashing (2 Hz) Green, Red, OFF	Self test after power ON.
  	(Red)	Flashing (1 Hz)	Minor fault and/or connection time-out: Device is online One or more connections are established Device has data exchange with at least one of the configured slaves or no data exchange with one of the configured slaves.
  	(Red)	ON	Critical fault or critical link failure: Critical connection failure Device has detected a network error. Duplicate MAC-ID or severe error in CAN network.
  	(OFF)	OFF	Device is not powered The device may not be powered. Device is not on-line and/or no network power The device has not yet complete the Dup_MAC_ID test. The device is powered. The network power is missing.

  LED State	Description
  Flashing (1 Hz)	The indicator turns ON and OFF with a frequency of approx. 1 Hz. Turn ON for 500 ms, followed turn OFF for 500 ms.
  Flashing (2 Hz) Green, Red, OFF	The indicator turns to green on for 250 ms, and red on for 250 ms, then turn OFF.