Allen-Bradley 1769-SDN, Руководство по установке, Страница: 57 / 68

Rockwell Automation Publication DNET-IN001B-EN-P - January 2012 57
1769 DeviceNet Modules Status Indicators and Data Structures Appendix B
Table 10 - Network Status (NS) Indicator
Status Description
Off The network or the adapter is not powered.
Check power connections to the network and then verify that the
adapter is installed correctly.
Flashing green The device is fully operational but is not communicating with the
controller.
Make sure the scanner is correctly configured in the controller’s I/O
configuration.
Solid green The device is fully operational and communicating with the
controller.
No action is required.
Flashing red One or both of these conditions exist:
• A recoverable fault has occurred.
• Communication with at least one device has timed out.
Check the 4-character display to determine which device has timed
out.
Solid red The adapter is powering up, or has fully powered up, and
experienced an unrecoverable fault.
1. If necessary, wait for the adapter to fully power up.
2. Cycle power to the adapter.
3. If after cycling power, the status indicator remains solid red,
replace the adapter.
Table 11 - Diagnostic Status (DIAG) Indicator
Status Description
Off The adapter is not powered or is running diagnostics.
Apply power to the adapter or wait for it to finish running
diagnostics.
Flashing amber The Main program detected an error.
Flashing green Diagnostic tests are in progress.
Wait for the tests to finish.
Flashing red Diagnostics found an error. The number of flashes indicates which
test failed:
• One flash—RAM test failed.
• Two flashes—Boot program checksum failed.
• Three flashes—Main program checksum failed.
• Four flashes—Configuration checksum failed.
• Five flashes—Access to program or configuration failed.
• Six flashes—Backplane power fault (series B only).
Solid red Watchdog has been tripped.