Rockwell-automation 1769-ADN DeviceNet Modules Installation Instructio Manual de usuario descargar pdf (Pagina 60)

60 Rockwell Automation Publication DNET-IN001B-EN-P - January 2012

Appendix B 1769 DeviceNet Modules Status Indicators and Data Structures

Table 13 - Network Status Indicator

Indicator Condition Description

Off One of these conditions exists:

• The scanner is not powered.

• The network is not powered.

• Communication is not occurring between the scannner and the

DeviceNet network. (This may be an acceptable condition.)

Complete these steps to change this state.

1. Verify that the scanner has power.

2. Check that the DeviceNet cable is securely connected and the

DeviceNet network is powered.

3. Verify that network power is adequate (11…25V DC).

Flashing green The scanner is fully operational, but there are no connections

established with any of the devices on the network.

If the scannner should be controlling DeviceNet slaves, configure its

scan list.

Solid green The scanner is fully operational and communicating with the

controller.

Flashing red One or more of the devices that the scanner is communicating with is

in a timed-out state.

Monitor the status display to determine which slave device is offline.

Solid red A critical network failure has occurred because a duplicate DeviceNet

node address has been detected.

Reset the scannner and change the node address of either the

scanner or that of the conflicting device. If the failure continues,

replace the scanner.

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Rockwell-automation 1769-ADN DeviceNet Modules Installation Instructio Manual de usuario Pagina 60