Manual_GK473_DeviceNet_EN.doc
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Baumer IVO GmbH & Co. KG
04.05.11
Villingen-Schwenningen,
Germany
8.3 Status indicators (LEDs) integrated in the front panel
The Gateway provides in the front panel four LEDs for indication of the RS485 and DeviceNet operating
status.
RS485 TX (yellow)
Transmitting a token on the RS485 sub-bus
RS485 RX (yellow)
Receiving a token on the RS485 sub-bus
DeviceNet Combined Module/Network Status LED (red and green)
Status
LED status
Significance
Device Not Powered/Not
On–line
Off
Device is not on–line.
- The device has not completed the Dup_MAC_ID test yet.
- The device may not be powered.
Device Operational AND
On–line, Connected
Green
The device is operating in a normal condition and the device is on–
line with connections in the established state.
- For a Group 2 Only device it means that the device is
allocated to a Master.
- For a UCMM capable device it means that the device has one
or more established connections.
Device Operational AND
On–line, Not Connected
or Device On–line AND
Device needs
Commissioning
Flashing
Green
The device is operating in a normal condition and the device is on–
line with no connections in the established state.
- The device has passed the Dup_MAC_ID test, is on–line,
but has no established connections to other nodes.
- Device is not allocated to a master.
- Configuration missing, incomplete or incorrect.
Minor Fault and/or
Connection Time–Out
and/or No Network Power
Flashing
Red
Any one or more of the following conditions:
- Recoverable fault
- One or more I/O Connections are in the Timed-Out state
- No network power present
Critical Fault or
Critical Link Failure
Red
The device has an unrecoverable fault; may need replacing.
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).
Communication Faulted
and Received an Identify
Comm Fault Request -
Long Protocol
Flashing
Red &
Green
A specific Communication Faulted device. The device has detected a
Network Access error and is in the Communication Faulted state.
The device has subsequently received and accepted an Identify
Communication Faulted Request - Long Protocol message.
