Bronkhorst Multibus User Manual
Page 43

BRONKHORST
®
Page 43
Operational instructions for digital multibus instruments
9.17.023
11.2.2 LED indications mode (DeviceNet MBC3)
for this state
Led
Indication
Network status LED (NET)
Not powered/ Not
online
Off
Device is not online
• The device has not been completed the Dup_MAC_ID test yet.
• The device may not be powered, look at module status LED
• No network power present
Link OK, Online,
Connected
On
green
Device is online and has connections in the established state
• For a group 2 device it means that the device is allocated to a master.
Online, Not
connected
Flashing
green
0.5 sec on
0.5 sec off
The device is online but has no connections in the established state.
• The device has passed the Dup_MAC_ID test, is online but has no
established connections to other nodes
• For a group 2 device it means that the device is not allocated to a master.
Connection Time-
out
Flashing
red
0.5 sec on
0.5 sec off
One or more I/O connections are in timed-out state.
Critical link Failure
On
red
Failed communication device. The device has detected an error that has
rendered it incapable of communicating on the network. (Duplicate MAC ID or
bus off)
Module status LED (MOD)
No power
Off
There is no power applied to the device
Device operational
On
green
The device is operating in normal condition.
Device in Standby
(The device needs
commissioning)
Flashing
green
0.5 sec on
0.5 sec off
The device needs commissioning due to configuration missing, incomplete or
incorrect. The device may be in the standby state.
Unrecoverable fault
On
red
The device has an unrecoverable fault, may need replacing.
Device self testing
Flashing
red / green
The device is in self test.
0.5 sec on
0.5 sec off
Module and status LEDs sequence at power-up
Network LED (NET)
off
Module LED (MOD)
green 0.25 sec
Module LED (MOD)
red
0.25 sec
Module LED (MOD)
green
Network LED (NET)
green 0.25 sec
Network LED (NET)
red
0.25 sec
Network LED (NET)
off