The following items are contained in the Tag Analog Input function block faceplate:
PV - This field displays the PV value of the loop module in yellow. The background color of the 3-D box changes from gray to orange or red when the PV status becomes uncertain or bad, respectively. The background blinks red when the PV Bad alarm is unacknowledged. If the unacknowledged PV Bad alarm is no longer active, the background blinks from black to gray. The PV value is visible in the decimal format provided by PV_SCALE.DECPT.
Output Units - This area provides the engineering units description used for the Output as defined in the OUT_SCALE parameter.
EU 100 - This value corresponds to 100% of scale for the Output.
Alarm Limits - These arrowheads indicate the High High, High, Low, and Low Low Alarm Limits. The color corresponds to the alarm priority.
EU 0 - This value corresponds to 0% of scale for the OUTPUT.
Alarm indicators This is a scrollable list of the current alarms that functions like the first two columns of an alarm summary. The first column shows the state of the alarm represented by one of the following symbols:
The second column is the alarm name or parameter. The text and colors are as configured for the alarm's current state.
Unit field - This field displays the unit name.
Toolbar - Click the icons from left to right to perform the following functions, respectively:
Detail Display button: open the detail display for the loop module.
Unit Primary Control Display button: open the primary control display.
Trend Display button: open the current trend display for the loop module.
Control Studio button: open Control Studio.
Event Chronicle button: open the Process History Viewer.
Acknowledge Alarms button: acknowledge all alarms on this module.