Allen-Bradley 1769-SDN, Installation Instructions Manual, Page: 48 / 68

48 Rockwell Automation Publication DNET-IN001B-EN-P - January 2012
Appendix A 1756 DeviceNet Status Indicators and Data Structures
Status Messages
This table summarizes the DeviceNet status messages that appear on the
alphanumeric display.
Table 6 - Status Messages
Display Description
RUN The scanner is in Run mode.
IDLE The scanner is in Idle mode.
AUTO The AutoScan option is on, and the scanner is in Idle mode.
Flash In Progress ControlFLASH software is transferring an upgrade image to the scanner.
Duplicate Node Failure The node address of the scanner is in use by another device on the
DeviceNet network.
Bus Off Detected The scanner has detected errors on the DeviceNet network and is offline.
No Network Power The DeviceNet cable is not supplying power to the communication port.
Troubleshoot the system to determine why power is not supplied and turn
on power to the network.
NoRx Either or both of the following conditions exist:
• The device does not have a scan list.
In this case, configure a scan list.
• The device has not received communication from any other device.
In this case, check the system configuration to determine why
communication is not occurring.
NoTx Either or both of the following conditions exist:
• The scanner has failed to transmit a message due to a network or device
issue.
• The scanner is the only node on the network.
Reset Complete -
Change Switch
Settings The factory default settings for the scanner have been restored.
Set the data rate and node address rotary switches to the desired position
and restore power to the scanner.
Network disabled The scanner is not enabled.
To enable the scanner, locate the O.CommandRegister.DisableNetwork bit
on the command register and turn it off.
A# xx Indicates the scanner’s DeviceNet node address where xx is the address.
N# xx Indicates there is a problem with another device on the network where xx
is the address of the device.
The status code for the device follows the address. Refer to
Table 7 on
page 49 for more information about status codes.
E# xx Indicates a status code for a device with a problem where xx is the status
code for the device.
The address of the device comes before the status code. Refer to
Table 7
on page 49 for more information about status codes.