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The actual message sizes transmitted by iFIX are dependent upon the type of objects in each picture. Data links provide you with the option of requesting numeric or text data. Numeric data, the F_ fields, is always transmitted as floating point data and is four bytes in length. Text data, the A_ fields, is transmitted as the ASCII representation of the floating point value and is 12 bytes in length. One method to reduce the iFIX network load is to use only numeric data links. Some special link types use data that is much larger than 12 bytes. For example, for each chart object, iFIX transmits approximately 180 bytes. Alarm Summary objects have their own refresh rate which control how often they are updated. By increasing the values for the alarm refresh and data refresh rates you can fine-tune when iFIX reads data from its alarm queue and displays it.
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Important Notice You do not have the latest version of iFIX! You are missing out on the newest capabilities and enhanced security. For information on all the latest features, see the iFIX product page. For more information on upgrades, contact your GE Digital sales agent or e-mail [email protected]. For the most up-to-date documentation, go here. |
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