Siemens Industry Online Support - Automation Service, Automation Support, Simatic Service, Simatic Support, Technical Support, Technical Consulting

WinCC -- Configuring Tag Logging -- Archive performance

	How can you improve the performance of WinCC Tag Logging (up to WinCC V5.x)?
	How do you calculate the memory requirement of a server or central archive server (CAS)?
	How much hard drive space do messages and process values from SIMATIC WinCC V6.0 or PCS 7 V6.0 require?
	How can you reduce the size of the cyclic storage when using a redundant server pair and without losing data when changing the archive configuration?
	How can you in WinCC reduce the size of the cyclic storage without losing data when changing the archive configuration?
	How does adjusting the system time affect the archiving of alarms, messages and process values in the Runtime database?

WinCC -- Configuring alarms and messages -- Configuring Alarm Logging

	How do you calculate the memory requirement of a server or central archive server (CAS)?
	How can I create a message in WinCC if, when backing up an archive, the backup path is not available, cannot be reached or the data medium is full?
	How can you switch off the message 1000915 "Terminal adapter <MAC-address> disconnect"?
	How can I avoid the whole screen being filled when I open a picture using the OpenPicture function via LoopInAlarm?
	How can you increase the timeout for starting and terminating Alarm Logging / Tag Logging?
	What do the error messages "Transfer buffer too small", "TagQueue overflow" and "Messages are lost" mean?
	Which functions do the different variable types have for the individual messages?
	How can you get specific messages to flash in the alarm list until the user has acknowledged them?
	What format is best suited for defining the AlarmLogging-event variables?
	What do you do if alarms are not displayed at Runtime?
	How can you assign the functions of the toolbar buttons of WinCC Alarm Logging OCX to external buttons?
	How can I delete individual messages from a group message?
	When are alarms initiated by the limit monitoring in WinCC if the limit values are supplied indirectly?
	What should I watch out for when assigning the names of message types, message classes and group messages?
	Why isn’t there display of the "Comment" toolbar button of the Alarm Logging Control in Runtime?
	How can you display process values formatted in an Alarm Logging message line?
	How can I change the state texts of the message classes from +, -, * to actual text of my own?
	How can you check the configuration of the Alarm Logging to see whether there is multiple use of message, status and acknowledge tags or whether the message tags are not configured?
	At Runtime, how can you determine the message texts or process-associated values when a message appears in the associated, user-specific action "GMsgFunction()"?
	How do you display and operate alarms in Runtime?
	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 create messages whose message texts consist of a fixed part and a variable part?
	What do the statuses of the status and acknowledge tags look like in the Alarm Logging?
	What statuses can a message go through at Runtime?
	How can I use the limit-value monitoring function of Alarm Logging to monitor the free drive space of a hard disk?
	Why after WinCC Runtime starts is a message displayed with the text "..... already used"?
	How can you configure user-defined message classes?
	How can you change the acquisition cycle of the WinCC Alarm Logging?
	How can you use the status tag of a message?
	What should you watch out for in particular with the "Loop in Alarm" function?
	How can you export, change and then reimport message texts?

WinCC Storage -- Product information -- Information on WinCC Storage

	How do you calculate the memory requirement of a server or central archive server (CAS)?
	How many single segments can be connected to the SQL server in PCS 7 or WinCC without impairing performance?
	In which applications are licenses counted for WinCC/PCS 7 OS archive tags on a Central Archive Server (CAS)?
	What should you watch out for in particular with Tag Export and the Tag Chart of the WinCC/CAS Web Viewer?
	What should you do if you get the following message when exporting using Storage: "Data medium full. Please change."?
	Why aren't any files created when exporting curve archives?
	Storage data from WinCC V4 cannot be paged into V5 SP2
	What happens if you export the archive with Storage on just one of the redundant servers?
	Which Storage settings do I have to make if I use two redundant computers and the project duplicator?
	How do you transfer data that has been stored with the SIMATIC WinCC option "Storage" into a project with changed archives (e.g.: measured values added/deleted)?
	Why, when using Storage, do I get the message: "No connection to server"?
	How can I open the Storage Editor by pushbutton on the MultiClient?
	How can you use Storage to archive on one MO/ZIP/JAZ drive from two computers?
	How do you start up Storage?

Option CAS -- System description -- System description

	How do you calculate the memory requirement of a server or central archive server (CAS)?
	How many single segments can be connected to the SQL server in PCS 7 or WinCC without impairing performance?
	In which applications are licenses counted for WinCC/PCS 7 OS archive tags on a Central Archive Server (CAS)?
	Why is an error displayed or the data not exported when you call the table of values in the StoragePlus Web Viewer V6.1?
	Which settings do you have to make in PCS 7 V7.x when using the "CAS Web Viewer"?
	What should you watch out for when installing the Central Archive Server (CAS) in PCS7?
	Which configuration changes should you avoid in the Central Archive Server (CAS) for PCS 7 V6.1?

OS - WinCC -- Configuring alarms and messages -- Configuring Alarm Logging

	How do you calculate the memory requirement of a server or central archive server (CAS)?
	How can you generate a message in the AS whenever a value changes, which contains the new and old values?
	How can you switch off the message 1000915 "Terminal adapter <MAC-address> disconnect"?
	How can you configure user-defined message classes?
	How can I use the limit-value monitoring function of Alarm Logging to monitor the free drive space of a hard disk?

OS - WinCC -- Configuring Tag Logging -- Using archives

	How do you calculate the memory requirement of a server or central archive server (CAS)?
	How much hard drive space do measured values of SIMATIC WinCC V6.0 or PCS 7 V6.0 require?
	Problems that arise when changing the system time
	What is the effect of the hysteresis when a process value is archived with the "Archive only upon change" setting, depending on whether it is specified in absolute or percentage terms?
	Why is a specified percentage hysteresis not suitable for suppressing minor fluctuations in process values in "archive only upon change" mode?
	How are process values archived in the database when using "upon change"-type acquisition?

How do you calculate the memory requirement of a server or central archive server (CAS)?

Part number:

Instructions
The WinCC manuals do not give any information about calculating the memory requirements of a server or central archive server.
The manuals listed below give detailed instructions for calculating. The data specified in these PCS 7 manuals are also valid for WinCC.

Manual Link

Process Control System PCS V8.0 Operator Station Link

Process Control System PCS 7 V7.1 Operator Station Link

Process Control System PCS 7 V7.0 SP1 Operator Station Link

Entry ID:22413908

Date:2012-08-08

I regard this article....

as helpful

as not helpful

Copy link

Suggestion for the entry

Send to a friend