Relinquish control of a bacnet value, Alarms, View alarms – TREND 963 Web User Guide User Manual

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Using 963 From a Client

963 Web User Guide TC200685 Issue 4

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4.3.6 Relinquish Control of a BACnet Value

When 963 adjusts a value in a BACnet device it writes the value into the value's priority array. The value will
remain in the array, and be used when it is the highest. If required the 963's adjustment can be removed from the
array by relinquishing control.

To relinquish control of a BACnet value:

1. Display the page containing the value for which you want to relinquish control, and click the button or

picture that enables the value to be changed.

Or

View the value for which you want to relinquish control in the Device Viewer, right-click the value, and
click Adjust Point.

The BACnet Device dialogue box is displayed.

3. Click Relinquish control.

To relinquish control of a BACnet value in text mode:

1. Display the page containing the value for which you want to relinquish control, and click the button or

picture that enables the value to be changed, as described in the ‘Display a Schematic Page’ section of this
manual.

2. Click

next to the value.

4.4 Alarms

4.4.1 View Alarms

If you accessing the 963 Server in graphic mode, it indicates when an alarm has been received in the Alarm Viewer
which is displayed on the 963’s Start up page. Other actions such as the display of a message box may have been
engineered.

Alarms are shown as they arrive on the Incoming Alarms tab of the Alarm Viewer. This list stores the last 100
alarms. After alarms have been processed, they will appear in the Alarm History tab. In both of the lists icons
indicate whether or not an alarm has been actioned by a user. Colours are used to indicate whether the alarm is a set
alarm or a cleared alarm. A red bell indicates a set alarm, and a green bell indicates a cleared alarm. If the alarm has
been actioned by the user the bell with appear with a tick over it. The table below shows the different icons.

Icon Description

Set alarm that has not been actioned.

Set alarm that has been actioned.

Cleared alarm that has not been actioned.

Cleared alarm that has been actioned.

The Alarm History is colour coded to indicate whether or not the alarm is current. Red indicates that the alarm is
current.

There are a number of different ways in which alarms can be viewed:

View Incoming Alarms
View Alarm History

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