Add parameters to track buffers.

git-svn-id: https://subversion.xor.aps.anl.gov/synApps/areaDetector/trunk@9393 dc6c5ff5-0b8b-c028-a01f-ffb33f00fc8b

documentation/PerkinElmerDoc.html

@@ -228,6 +228,38 @@
           $(P)$(R)PETrigger</td>
         <td>
           longout</td>
+      </tr>
+      <tr>
+        <td>
+          PE_FrameBufferIndex</td>
+        <td>
+          asynInt32</td>
+        <td>
+          r</td>
+        <td>
+          Frame number from frame buffer for this image</td>
+        <td>
+          PE_FRAME_BUFFER_INDEX</td>
+        <td>
+          $(P)$(R)PEFrameBuffIndex</td>
+        <td>
+          longout</td>
+      </tr>
+      <tr>
+        <td>
+          PE_ImageNumber</td>
+        <td>
+          asynInt32</td>
+        <td>
+          r</td>
+        <td>
+          Image number for this image in the collections sequence</td>
+        <td>
+          PE_IMAGE_NUMBER</td>
+        <td>
+          $(P)$(R)PEImageNumber</td>
+        <td>
+          longout</td>
       </tr>
 	  <tr><td align="center" colspan="7"><b>Offset corrections</b></td></tr>
       <tr>