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Chapter 4

Human Machine Interface

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4-5

Display discrete 
values 

Indicate 
an alarm state

Boolean Indicator 

Invoke the HMI G Wizard on a Boolean indicator 
to associate a discrete input tag value or an alarm 
state with that indicator. When you invoke the 
Wizard for the first time on a Boolean indicator, 
the Configuration dialog box is set for Tag Value. 
You can set blink and color options under Alarm 
Conditions. To change the control association 
from tag value to alarm state, change the Attach 
Indicator to: ring to Tag Alarm State. Select 
the tag for which the indicator will display the 
alarm state.

Control string tags

String Control 

Invoke the HMI G Wizard on a string control to 
associate a string output tag value with that control. 
You can set the colors and blink options under alarm 
conditions, and specify the updates to happen only 
when the control value changes.

Display string 
values

String Indicator 

Invoke the HMI G Wizard on a string indicator to 
associate a string input tag value with that indicator. 
You can set the color and blink options under alarm 
conditions.

Display alarm 
summary 

Alarm Summary 
Display or any Table 
Indicator 

Invoke the HMI G Wizard on a table indicator 
to obtain a summary of current alarms (Alarm 
Summary). You can set the HMI G Wizard to 
Alarm Summary mode by setting the value of the 
Use this Indicator for: ring to Alarm Summary. 
You can select a set of tags whose alarms 
require monitoring. You also can set colors of 
acknowledged and unacknowledged alarms and 
column format of the summary. Preformatted 
alarm summary indicators are contained in the 
Alarms and Events palette.

Table 4-1.  HMI G Wizard Operations (Continued)