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<p>ä¸<a href="https://www.xuezdh.com/tag/wincc-v7-4/" title="æ¥çä¸ WinCC V7.4 ç¸å ³çæç« " target="_blank"><span class="tag-key">WinCC V7.4</span></a> SP1ç¸æ¯ï¼WinCC V7.4 SP1 Update3ç»ä»¶çæ§è½å¾å°äºæ¹è¿ï¼å æ¬ä»¥åçæ´æ°å修补ç¨åºï¼å¨ä»¥ä¸æ¹é¢ï¼</p>
<h3>WinCC Basic</h3>
<p>Tag Logging</p>
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<p>Optimized compression of data in archive segments</p>
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<h3>WinCC/ConnectivityPack</h3>
<p>WinCC OLE DB Provider</p>
<p>Access to the archive data using the column index</p>
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<p>Access to the archive data using the column name</p>
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