6-4
Interpret Status Indicators (LEDs)
Publication 1784-IN004D-EN-P - August 2002
Module (MOD) Status Indicator
This bi-color (green/red) LED provides device status. It indicates whether
or not the device has power and is operating properly.
Network (NET) Status Indicator
This bi-color (green/red) LED indicates the status of the communication
link
.
condition
status
indicates
off
no power
No power applied to device.
green
device operational
Device is operating in a normal condition.
flashing green
1
device in standby
(device needs
commissioning)
Device needs commissioning due to
configuration missing, incomplete, or
incorrect.
Device may be in the standby state. Refer
to the DeviceNet Specification, Volume
II, Identity Object.
flashing red
1
recoverable fault
E.g., the device’s scan list configuration
does not match the actual network
configuration.
red
unrecoverable fault
Device has an unrecoverable fault. Cycle
power to the card by shutting down and
cycling power to your computer. If the
problem persists, the device may need to
be replaced.
flashing red-green
device self testing
Device is in self test. Refer to the
DeviceNet Specification, Volume II,
Identity Object.
1
The flash rate of the LED is approximately 1 flash per second. The LED should be on for approximately
0.5 seconds and off for approximately 0.5 seconds.
condition
status
indicates
off
not powered,
not online
Device is not online.
The device has not completed the Dup_MAC_ID test yet.
The device may not be powered; look at the Module Status
LED.
flashing green
1
online,
not connected
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.
green
link okay, online,
connected
The device is online and has connections in the established
state.
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