td style="border:none;padding:0"><span style="color: #010100;">A valve&#39;s fixed status and its setting can be made to vary throughout a simulation by the use of <a href="controls.htm" class="topiclink">control statements</a>. If a valve&#39;s status was fixed to OPEN/CLOSED, then it can be made active again using a control that assigns a new numerical setting to it.</span></td></tr></table></div>
</td></tr></table>

</body>
</html>
