There are a number of reasons why fieldbus information may not display on your screen. To troubleshoot issues, first use the Diagnostics program to verify device communication with the DeltaV system. Then, use the following table to check other issues.
If… |
Check these Items… |
|---|---|
Device Alarms do not show up in the Alarm Banner or Event Chronicle |
The device supports Device Alarms (the Fieldbus Device Alarms icon appears in the DeltaV Explorer). The workstation alarm threshold is set low enough to display the alarms of interest. The device is connected to a Series 2 H1 card. The device has Device Alarms enabled (click Device Properties and then select the Alarms and Displays tab check box). The area in which the device is located is assigned to the workstation. Select the workstation in the DeltaV Explorer and then in the Alarms and Events subsystem and check assigned areas. The device's specific Device Alarms — Failed, Maintenance, Advisory, Abnormal, or Comm, are enabled (In Explorer, click the Fieldbus Device Alarms icon, right-click each specific alarm, and select Properties. In System Alarm Management, you can do this by adding the Plant Area(s) where the alarms originate and selecting the Display Device Alarms option.) The individual device condition is enabled (on the device's Configure screen; location is manufacturer dependent). The device alarm is not suppressed (Check faceplate, Alarm Suppression screens, or Alarm Summary screens in DeltaV Operate). The individual device condition is not suppressed (on the Conditions screen). |
A Device Alarm cannot be acknowledged |
The device was deleted or decommissioned while there was one or more active Device Alarms. Download the device port. |
Fieldbus Device Alarms (FDA) icon does not show up in DeltaV Explorer |
Device does not support Device Alarms. Check with manufacturer for device revision that supports Device Alarms. |
Individual fieldbus Device Alarms (Failed, Maintenance, Advisory, Abnormal, or No Comm) from a particular device do not show up in the right pane of DeltaV Explorer |
Enable Device Alarms on the device's properties page, alarms and displays tab. |
Unable to download fieldbus device (conditions related to Device Alarms may cause this) |
Use DeltaV Diagnostics to verify connections with the device. Verify that you have the correct controller and I/O. Device Alarms are only supported with Series 2 H1 cards. |