Rockwell Automation 40072-107-01, Installation Instructions Manual

Page: 18 / 24

18 Compact I/O DeviceNet Scanner Module
Publication 1769-IN060C-EN-P - May 2002
Diagnostic Indicators
Indicator Color/
Status Indicates Recommended Action
Module Off No power applied to module. Apply power.
Flashing
Green No Bus Master (MicroLogix or
CompactLogix controller) present. Verify module connectors are properly
seated. If they are, cycle power to the
controller. If this does not correct the
problem, replace the controller. If
replacing the controller does not
correct the problem, replace the
1769-SDN.
Solid Green Normal operation. No action required.
Flashing
Red Recoverable Fault - Memory has been
erased or is being programmed. Complete flash update or start a new
update.
Solid Red Unrecoverable fault Verify module connectors are properly
seated. If they are, verify that bus
terminator/end cap is installed. Cycle
power. If still faulted, replace the
module.
Network Off No module power, no network power, or
communications are not occurring
between the module and the DeviceNet
network. (This may be an acceptable
condition.) Verify module has power. Check that
the DeviceNet cable is securely
connected and the DeviceNet network
is powered. Verify that network power
is adequate (11 to 25V dc).
Flashing
Green Device is operational. There are no
connections established with any of the
network devices. If the module is supposed to be
controlling DeviceNet slaves,
configure the module’s scan list.
Solid Green Normal operation. Scan list is
configured. Module is not in Idle mode. No action required.
Flashing
Red One or more of the devices that the
scanner is communicating with is in a
timed out state. Monitor the status display, or the
module’s status field to determine
which slave device is offline.
Solid Red Critical network failure. Duplicate
DeviceNet node address detected. Reset module. Change module’s node
address or change conflicting device’s
node address. If failure continues,
replace module.
7-Segment
Numeric
Display Node
Address
and Status
Display Indicates diagnostic information about the status of the module.
When the numeric display is showing 0 to 63, it is indicating the 1769-SDN
module’s DeviceNet node address.
When it shows 70 to 99, it indicates an Error Code for the displayed node address.
When it flashes alternating numbers, one is the Error Code (70 to 99), and the
other is the Node Number (0 to 63) that has generated the error.
See the list of Error Codes on page 19 for more information.