National Instruments BridgeVIEW 用户手册

Appendix A

HMI Function Reference

© National Instruments Corporation

A-13

Operator Name determines whether to display the operator 
name.

Alarm Message determines whether to display the 
user-configured alarm message. This applies to discrete tags only.

color codes is a cluster of parameters that determine the colors for the 
messages in the Alarm Summary Display.

event determines the color for events.

ack alarm determines the color for acknowledged alarms.

unack alarm determines the color for unacknowledged alarms.

normal determines the color for tags not in alarm.

buffer size determines the number of entries to be displayed in the event 
history display. The default setting is 10. 

initialize headers is TRUE when the history data has been read for the first 
time, indicating that column headers should be updated.

column headers represents the information displayed in the event history. 
Wire this output to the Column Headers[] attribute of the Alarm Summary 
Display in your HMI.

history data is the list of alarms and events that have occurred in the 
system and have been filtered with the user specified read parameters.

row colors is an array of colors for the alarms and events to be displayed. 
Wire this output to the Cell FG Color attribute of the Event History Display 
in your HMI.

alarm summary status contains information about the alarms currently in 
the BridgeVIEW system.

# active alarms is the number of alarms currently in the 
BridgeVIEW system.

any alarm? indicates any tag in the system that is in alarm, 
irrespective of its acknowledgement status.

# unack alarms is the number of unacknowledged alarms in the 
system.

any unack alarm? indicates any tag in the system that is in alarm 
and unacknowledged.