Rockwell-automation 1734-SSI POINT I/O Synchronous Serial Interface Ab Manual de usuario descargar pdf (Pagina 38)

Publication 1734-UM007D-EN-P - December 2005

5-2 Diagnose Problems

Indication Probable Cause Recommended Action

Network Status

Off Device is not online.

- Device has not completed dup_MAC_id test.

- Device not powered - check module status indicator.

Apply power to device.

Flashing Green Device is online but has no connections in the established state. None - device is in Idle or Program mode.

Solid Green Device is online and has connections in the established state. None

Flashing Red One or more I/O connections are in timed-out state. Check for module failure and correct as

needed.

Solid Red Critical link failure is present with failed communication device.

Device detected error that prevents it communicating on the

network.

Verify that adapter and terminal bases are

properly installed, and reinstall, as needed.

Flashing

Red/Green

Communication faulted device - the device detected a network

access error and is in communication faulted state. Device

received and accepted an Identify Communication Faulted

Request - long protocol message.

Verify that adapter is properly installed, and

reinstall, as needed.

Indication Probable Cause Recommended Action

Run Status

Off Module is commanded to stop retrieving SSI data. Turn Run on to begin collecting SSI data.

Solid Green Module is commanded to retrieve SSI data. None

Up Status

Off SSI data is not increasing, or no SSI data is being received. None

Solid Green SSI data is increasing. None

Down Status

Off SSI data is not decreasing, or no SSI data is being received. None

Solid Green SSI data is decreasing. None

Comp Status

Off Comparator function is not in use, or comparator value not

attained.

None

Solid Green Comparator value is attained. None

I1 Status

Off Latching input I1 is OFF. None

Solid Yellow Latching input I1 is ON. None

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Rockwell-automation 1734-SSI POINT I/O Synchronous Serial Interface Ab Manual de usuario Pagina 38

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