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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¯ï¼<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> 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>
<p>åéè®°å½</p>
<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>
<p>使ç¨åç´¢å¼è®¿é®å½æ¡£æ°æ®</p>
<p>Access to the archive data using the column name</p>
<p>使ç¨åå称访é®åæ¡£æ°æ®</p>
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<td style="text-align: center;" bgcolor="d0f2ee"><img class="" src="https://www.xuezdh.com/wp-content/uploads/2019/02/wechat120.jpg" align="right" hspace="1" />微信æç´¢ææ«ç å ³æ³¨<br />
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						<span class="xz">WinCC V7.4 SP1 Update3</span> 
						<span class="xz">WinCC/ConnectivityPack WinCC OLE DB Provider Access to the archive data using the column index 使ç¨åç´¢å¼è®¿é®å½æ¡£æ°æ® Access to the archive data using the column name 使ç¨åå称访é®åæ¡£æ°æ®</span> 
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