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WinCC -- Configuring alarms and messages -- Displaying alarms and messages using Alarm Control
How can you import select messages in WinCC Alarm Control?
Why are spaces displayed at the beginning of the process-associated value (text) and characters truncated at the end?
How can you change the colors of the messages displayed in WinCC Alarm Control, also at Runtime, independently of the Alarm Logging settings?
How can you select messages in WinCC Alarm Control?
What are the differences in WinCC between message processing in the message list and in the archives?
Why does a limit message in WinCC remain although the value is once again within the configured limits?
How can I display the last message in the first line of the AlarmOCX?
What do you do if alarms are not displayed at Runtime?
How can you have multiline message texts displayed in Alarm Control?
How are messages shown in WinCC Alarm Control?
How can you have the logged-on user and computer name displayed in the alarm list in WinCC?
How do you use the "MsgFilterSQL" property of the WinCC Alarm Control in order employ an SQL statement to filter the messages to be displayed?
How can you have only selected messages displayed in the WinCC Alarm Control at Runtime?
How do you use the standard function "AXC_SetFilter()"?
What is the structure of the format instruction for displaying the contents of WinCC tag values at Runtime in the user text blocks of a message?
How can you filter messages in WinCC Alarm Control according to servers?
How do you display or print the content of the comments dialog box (comment, computer, author)?
Why are the column headers in the WinCC Alarm Control shown with the character string at runtime?
How can you change the column width of the message blocks with the mouse in WinCC Alarm Control when configuring in the Graphics Designer or in Runtime?
Why are only 1000 messages shown in the archive window although there are more in the archive?
What do the settings in "Apply project settings" in the Message Blocks tab mean when you configure the WinCC Alarm Control?
OS - WinCC -- Configuring alarms and messages -- Displaying messages using Alarm Control
How can you select messages in WinCC Alarm Control?
What should you do if there is no indication of origin in the message for redundant OS servers?
Text length of the 'Origin' message text in Alarm Logging
Determining the number of messages in WinCC
How are messages shown in WinCC Alarm Control?
Sorting the message lists in PCS 7 V5.x and V6
How can you have only selected messages displayed in the WinCC Alarm Control at Runtime?
How do you use the standard function "AXC_SetFilter()"?
How can you filter messages in WinCC Alarm Control according to servers?
What do the settings in "Apply project settings" in the Message Blocks tab mean when you configure the WinCC Alarm Control?
How do you display or print the content of the comments dialog box (comment, computer, author)?
How are messages shown in WinCC Alarm Control?
Part number:

Description:
The display of messages in WinCC Alarm Control is limited depending on the configuration and view. The table below lists the number of messages which are possible in runtime:
 
No. Description
1 Message list
5000 messages can be displayed in the "Message list" view on a single-user station or per server/server pair. This means that with a maximum of 12 servers/server pairs, up to 60,000 messages can be displayed.


Figure 01
2 Short-term archive list
The "Short-term archive list" view contains the most recent 1000 messages from all the servers/server pairs. It is updated continuously.


Figure 02

3 Long-term archive list
Up to 1000 messages are displayed on a single-user station or 1000 per server/server pair. In the case of 12 possible servers, this view lists 12,000 messages on the client.


Figure 03

Note:
Generally speaking, the limit of 1000 messages displayed per server is reached at different times. This gives rise to time slots when messages are only displayed from certain servers, even though there are also messages saved in the archive for other servers.

Example:
Server 1 logs 1000 alarms a week. Server 2 logs 1000 messages over two weeks. The Alarm Control now displays a total of 2000 messages in the long-term archive window. Server 1 shows the alarms from the last week, and server 2 displays the alarms from the last 2 weeks. In this case, a misinterpretation can occur because there can have been messages from server 1 in the archive from the week before last but which are not displayed by the Alarm Control.
In order to prevent these types of gaps, the time range is set via the "selection dialog". It is important to select a time slot in which no server has archived more than 1000 messages.

From WinCC V6.2 onwards the property "Long Time Archive Consistency" can be set to "yes". The long-term archive list then displays a maximum of 1000 messages for all the servers. They will then be consistent in any event. You can find the "Long Time Archive Consistency" setting under "Properties > Control properties > Long Time Archive Consistency".


Figure 04

You can find the relevant description in the WinCC information system under "Performance Data > Configurations" and "Performance Data > Alarm Logging".

 Entry ID:26330600   Date:2008-05-15 
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