Alarms Page: Difference between revisions
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= Links = | = Links = | ||
{{mhttpdpages1|[[/Alarms ODB tree]]}} | |||
= Purpose = | = Purpose = | ||
The purpose of the [[mhttpd]] Alarms page is to display information about the MIDAS [[Alarm System]], and to allow the user to reset individual alarms or all alarms. | The purpose of the [[mhttpd]] Alarms page is to display information about the MIDAS [[Alarm System]], and to allow the user to reset individual alarms or all alarms. In case your web browser supports the "Speech Synthesis API" from Google, a check box will be displayed for enabling Alarms to be spoken. | ||
= Access the Alarms page = | = Access the Alarms page = | ||
The Alarms Page is accessed from the [[Status Page]] (or | The Alarms Page is accessed from the [[Status Page]] (or the other Pages) by clicking on the menu-button | ||
<span style="color: #444444; background-color: #CCCCCC; font-style:italic; font-size: 90; padding:0.25em; | <span style="color: #444444; background-color: #CCCCCC; font-style:italic; font-size: 90; padding:0.25em; | ||
padding-left: 0.5em;padding-right: 0.5em;border:1px solid #808080;border-radius: 5px;margin-bottom:1px;">Alarms</span>. | padding-left: 0.5em;padding-right: 0.5em;border:1px solid #808080;border-radius: 5px;margin-bottom:1px;">Alarms</span>. | ||
The top level ODB trees will be visible as key-links (i.e.links to a key) ([[#Example ODB Page|Figure 1]]). | The top level ODB trees will be visible as key-links (i.e.links to a key) ([[#Example ODB Page|Figure 1]]). | ||
;Note | |||
:If "Alarms" button is not present on the Status Page, it may have been [[Status Page#page-switch-buttons|suppressed]]. | |||
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Click to enlarge thumbnails. | Click to enlarge thumbnails. | ||
[[File:alarms_page_untriggered.png|thumb|left|Figure 1: Alarms page example]] | [[File:alarms_page_untriggered.png|thumb|left|Figure 1: Alarms page example]] | ||
[[File:alarms_demo_odb.png|thumb|right|Figure 2: Demo ODB alarm subtree]] | [[File:alarms_disabled.png|thumb|right|Figure 2: Alarms page with Alarm system disabled]] | ||
[[File:alarms_demo_odb.png|thumb|left|Figure 3: Demo ODB alarm subtree]] | |||
[[File:alarms_caution_class.png|thumb|right|Figure 4: Caution class alarms subtree]] | |||
Figure 1 shows an example of the Alarms Page where the [[Alarm System]] is enabled and no alarms are triggered. The page displays information from the | |||
[[/Alarms ODB tree]]. | |||
At the top of the Alarms page are two buttons, | |||
<span style="color: #444444; background-color: #CCCCCC; font-style:italic; font-size: 90; padding:0.25em; | |||
padding-left: 0.5em;padding-right: 0.5em;border:1px solid #808080;border-radius: 5px;margin-bottom:1px;">Reset all alarms</span> and <span style="color: #444444; background-color: #CCCCCC; font-style:italic; font-size: 90; padding:0.25em; | |||
padding-left: 0.5em;padding-right: 0.5em;border:1px solid #808080;border-radius: 5px;margin-bottom:1px;">Alarms on/off</span>. The latter button will disable/enable the Alarm System. If the Alarm system is disabled, it will appear as in Figure 2. | |||
The Alarms Page is divided into four areas, one for each of the [[/Alarms ODB tree#Alarm Type|alarm types]] : | |||
; [[Alarm System#Program Alarm|Program]] | |||
; [[Alarm System#Periodic Alarm|Periodic]] | |||
; [[Alarm System#Evaluated Alarm|Evaluated]] | |||
; [[Alarm System#Internal Alarm|Internal]] | |||
Clicking on one of the alarm-links on the left hand side of the page (under heading '''Alarm''') switches to the ODB Page displaying the contents of the [[/Alarms ODB tree#<Alarm-name> subtree|/Alarms/Alarms/<alarm-name> subtree]]. For example, Figure 2 shows the Demo ODB alarm subtree. | |||
In Figure 1, under heading '''State''', the Demo ODB is shown as | |||
<span style=" background-color: #f1c40f; border-radius: 5px; border: 1px solid #000000;"> Disabled </span> | |||
because the ODB key [[/Alarms ODB tree#Active|Active]] for that alarm is set to "n". Alarms with this key set to "y" are shown as | |||
<span style=" background-color: #00e600; border-radius: 5px; border: 1px solid #000000;"> OK </span>. | |||
The class for each alarm is shown as a link under the '''Class''' heading. Clicking on one of the class-links switches to the ODB Page displaying the contents of the [[/Alarms ODB tree#<class-name> subtree|/Alarms/Alarms/<class-name> subtree]]. For example, Figure 4 shows the "Caution" class subtree. | |||
The <b>Condition</b> reflects the contents of the ODB [[/Alarms ODB tree#Condition|Condition]] key for that alarm. | |||
The '''Current value''' for Evaluated alarms displays the current value of the Condition. In the case of Alarm ''Demo ODB'', this is the current run number. | |||
[[File:alarms_page.png|thumb|left|Figure 5: Alarms page example with an alarm triggered]] | |||
Figure 5 shows an example of the Alarms page with the alarm ''pol_fevme'' is | |||
<span style=" background-color: # | <span style="color: white; background-color: #c0392b; border-radius: 5px; border: 1px solid #000000;"> Triggered </span>. This causes an alarm banner to appear on the Status Page (see [[Status Page#Alarm Banner|Alarm Banner]]). | ||
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<div style="clear: both"></div> | <div style="clear: both"></div> | ||
[[Category:Alarms]] | |||
[[Category:mhttpd Pages]] | |||
Latest revision as of 15:13, 27 July 2015
Links
Purpose
The purpose of the mhttpd Alarms page is to display information about the MIDAS Alarm System, and to allow the user to reset individual alarms or all alarms. In case your web browser supports the "Speech Synthesis API" from Google, a check box will be displayed for enabling Alarms to be spoken.
Access the Alarms page
The Alarms Page is accessed from the Status Page (or the other Pages) by clicking on the menu-button Alarms. The top level ODB trees will be visible as key-links (i.e.links to a key) (Figure 1).
- Note
- If "Alarms" button is not present on the Status Page, it may have been suppressed.
Features of the Alarms page
Click to enlarge thumbnails.
Figure 1 shows an example of the Alarms Page where the Alarm System is enabled and no alarms are triggered. The page displays information from the /Alarms ODB tree. At the top of the Alarms page are two buttons, Reset all alarms and Alarms on/off. The latter button will disable/enable the Alarm System. If the Alarm system is disabled, it will appear as in Figure 2.
The Alarms Page is divided into four areas, one for each of the alarm types :
Clicking on one of the alarm-links on the left hand side of the page (under heading Alarm) switches to the ODB Page displaying the contents of the /Alarms/Alarms/<alarm-name> subtree. For example, Figure 2 shows the Demo ODB alarm subtree.
In Figure 1, under heading State, the Demo ODB is shown as Disabled because the ODB key Active for that alarm is set to "n". Alarms with this key set to "y" are shown as OK .
The class for each alarm is shown as a link under the Class heading. Clicking on one of the class-links switches to the ODB Page displaying the contents of the /Alarms/Alarms/<class-name> subtree. For example, Figure 4 shows the "Caution" class subtree.
The Condition reflects the contents of the ODB Condition key for that alarm.
The Current value for Evaluated alarms displays the current value of the Condition. In the case of Alarm Demo ODB, this is the current run number.
Figure 5 shows an example of the Alarms page with the alarm pol_fevme is
Triggered . This causes an alarm banner to appear on the Status Page (see Alarm Banner).