LED Description (DN-PCI/331 only)
4. LED Description (DN-PCI/331 only)
The DN-PCI/331 is equipped with one combined module/network status LED for each channel:
Figure 5:
LED position at the DN-PCI/331-2
LED Display
Status
Description
slowly flashing
green
/
red
/off
Not Configured
DeviceNet network interface has not been configured
off
Not On-line, Not
Powered
- DN-PCI/331 has not completed the Dup_MAC_ID test
yet
- DN-PCI/331 may not be powered
green
Device Operational AND
On-line, Connected
DN-PCI/331 is operating in normal condition and is on-
line with connections in the established state
flashing
green
Device Operational AND
On-line, Not Connected
- DN-PCI/331 is operating in normal condition and is
on-line with no connections in the established state
- DN-PCI/331 has passed Dup_MAC_ID test, is on-line
but has no established connections to other nodes, i.e.
the internal slave of the DN-PCI/331 is not owned by a
master/scanner.
flashing
red
Minor Fault and/or
Connection Time-Out
Recoverable fault and/or one or more I/O-connections
are in the Timed-Out state
red
Critical Fault or Critical
Link Failure
DN-PCI/331 has an unrecoverable fault; may need
replacing.
Failed communication device. DN-PCI/331 has
detected an error that has rendered it incapable of
communicating on the network
(Duplicate MAC_ID or Bus-off)
flashing
red
/
green
Communication Faulted
and Received an
Identify Comm Fault
Request-
Long Protocol
A specific Communication Faulted device. DN-PCI/331
has detected a network access error and is in the
Communication faulted state. DN-PCI/331 has
subsequently received and accepted an Identify
Communication Faulted Request- Long Protocol
message (not yet implemented)
Table 4:
DeviceNet module/network status LED description
Page 12 of 27
Hardware Manual • Doc. No.: C.2020.21 / Rev. 1.6
CAN-PCI/331
