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Updated user documentation. MK

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2000-02-11 15:21:07 +00:00
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doc/user/drive.htm
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<p>
Many objects in SICS are <b> drivable </b>. This means they can run to a new value. Obvious examples are motors. Less obvious examples include composite adjustments such as setting a wavelength or an energy. This class of objects can be operated by the <b> drive, run, Success </b> family of commands. These commands cater for blocking and non-blocking modes of operation.</p>
<p>
<b> run var newval var newval ... </b> can be called with one to n pairs of object new value pairs. This command will set the variables in motion and return to the command prompt without waiting for the requested operations to finish. This feature allows to do things to the instrument while perhaps a slow device is running into position.</p>
<b> run var newval var newval ... </b> can be called with one to n pairs of object new value pairs. This command will set the variables in motion and return to the command prompt without waiting for the requested operations to finish. This feature allows to operate other devices of the instrument while perhaps a slow device is still running into position.</p>
<p>
<b> Success </b> waits and blocks the command connection until all pending operations have finished (or an interrupt occured). </p>
<p>
<b> drive var newval var newval ... </b> can be called with one to n pairs of object new value pairs. This command will set the variables in motion and wait until the driving has finished. A drive can be seen as a sequence of a run command as stated above immediatetly followed by a Success command.</p>
<b> drive var newval var newval ... </b> can be called with one to n pairs of object new value pairs. This command will set the variables in motion and wait until the driving has finished. A drive can be seen as a sequence of a run command as stated above immediatly followed by a Success command.</p>
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