Rockwell Automation 1788-FFCT NI-FBUS Configurator User Manual - Manual (Page 54)

Publication 1788-UM052B-EN-P - April 2002
4-26 Using the NI-FBUS Configurator
3. Double-click the function block that you want to generate the
alarm.
The Block window opens.
4. Select the Alarms tab to view or change alarm information,
such as the high and low limits of an alarm condition, alarm
priorities, and so on.
Configuring Trends You can configure a device, such as a PC, to receive trends from
fieldbus devices. To configure trends, complete the following steps:
1. Find the Project window icon for the device or interface to
which you want to send the trend. Drag this icon from the
Project window to the Function Block Application Editor.
2. Double-click the function block from which you want to send a
trend.
The Block window opens.
3. Select the Trends tab.
4. Select the checkbox in the Trend column next to the parameter
you want to trend.
5. Set the sample Interval of the trend in loops/sample.
6. Set the Sample Type. To do so, select Instant or Average from
the Sample Type drop-down list. Instant trends the actual value.
Average trends all samples.
7. Wire the Trends output of the block to the device you want to
receive the trend. The following is an example of a configured
trend.