158 Diagnostics
NETWORK
Off Device is not on-line.
• Device has not completed the
Dup_MAC_ID test yet.
• Device may not be powered. Look at
the Module Status LED.
Flashing green Device is on-line but has no connections
in the established state.
• Device has passed the Dup_MAC_ID
test, is on-line, but has no established
connections to other nodes.
• For a Group 2 Only device it means
that this device is not allocated to a
master.
Green Device is on-line and has connections in
the established state.
• For a Group 2 Only device it means
that the device is allocated to a master.
Flashing red One or more I/O connections are in the
timed-out state.
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).
Name Color Function
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