1-5
IM 04L42B01-01E
Overview of Functions
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App
Index
Alarm Indication
The alarm conditions are displayed as alarm icons in the status display section and on
the operation screen such as the trend, digital, bar graph, overview displays. Detailed
information about the alarms is displayed in the alarm summary.
• Alarm Levels and Colors (Release number 3 or later)
You can set separate levels and colors for the four alarms on a single channel. When
multiple alarms occur, the DX gives higher priority to the display of alarms with higher
levels. It is easy to understand what processes are taking place when alarms occur if
you associate an alarm’s color with its level. Level and color settings are the same for
each channel.
• In the overview display, the channel display area appears in the color of the alarm
that has occurred.
• The following items also appear i
n the color of the alarm that has occurred.
• Alarm marks in the trend, digital, and bar graph displays
• The alarm point marks on scales (when they are set to “Alarm”)
• The alarm occurrence mark in
the alarm summary
When multiple alarms occur on the same channel, the various displays respond as
described below:
• In the overview display, the
channel display area is displayed using the color of the
alarm with the highest priority level.
• In the trend and digital displays, the alarm type is displayed using the symbol for
the alarm with the highest priority level.
• In the annunciator display, the display window is displayed using the color of the
alarm with the highest priority level.
For the setting procedure, see section 3.7.
• Alarm-Activated Text Display (Release number 3 or later)
Using the Event Action function, you can display a previously set string of text (comment
text block) when an alarm occurs.
For the procedure to set comment text blocks and event action, see sections 5.19 and
7.1, respectively.
• Hold/Non-hold of Indications
The alarm indication can be set to operate in the following fashion when the condition
is no longer met.
• Clear the alarm indication (
non-hold).
• Hold the alarm indication until the alarm ACK operation is executed (
hold).
The default setting is non-hold.
For the setting procedure, see section 3.5.
1.2 Alarms
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