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index 86b5f8e..c3b1648 100644
--- a/atSite/Archive.prj
+++ b/atSite/Archive.prj
@@ -1,3 +1,3 @@
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diff --git a/atSite/RRF-MainWater-User-ATOM-CRDESKTOP.opt b/atSite/RRF-MainWater-User-ATOM-CRDESKTOP.opt
index 5e9c865..ef52ce1 100644
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diff --git a/atSite/RRF-MainWater.Device.Application.c3054746-ca09-45cf-a1d9-79a0f6908107.bootinfo b/atSite/RRF-MainWater.Device.Application.c3054746-ca09-45cf-a1d9-79a0f6908107.bootinfo
index 7478a4d..c8b48d8 100644
--- a/atSite/RRF-MainWater.Device.Application.c3054746-ca09-45cf-a1d9-79a0f6908107.bootinfo
+++ b/atSite/RRF-MainWater.Device.Application.c3054746-ca09-45cf-a1d9-79a0f6908107.bootinfo
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-size 8833707
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+size 8878725
diff --git a/atSite/RRF-MainWater.Device.Application.c3054746-ca09-45cf-a1d9-79a0f6908107.bootinfo_guids b/atSite/RRF-MainWater.Device.Application.c3054746-ca09-45cf-a1d9-79a0f6908107.bootinfo_guids
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diff --git a/atSite/RRF-MainWater.Device.Application.c3054746-ca09-45cf-a1d9-79a0f6908107.compileinfo b/atSite/RRF-MainWater.Device.Application.c3054746-ca09-45cf-a1d9-79a0f6908107.compileinfo
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+++ b/atSite/RRF-MainWater.Device.Application.c3054746-ca09-45cf-a1d9-79a0f6908107.compileinfo
@@ -1,3 +1,3 @@
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diff --git a/atSite/RRF-MainWater.Device.Application.xml b/atSite/RRF-MainWater.Device.Application.xml
index 5ee2801..e838345 100644
--- a/atSite/RRF-MainWater.Device.Application.xml
+++ b/atSite/RRF-MainWater.Device.Application.xml
@@ -12,6 +12,7 @@
     <TypeSimple name="T_REAL" size="4" swapsize="4" typeclass="Real" iecname="REAL" />
     <TypeSimple name="T_TIME" size="4" swapsize="4" typeclass="Time" iecname="TIME" />
     <TypeSimple name="T_UDINT" size="4" swapsize="4" typeclass="UDInt" iecname="UDINT" />
+    <TypeSimple name="T_ULINT" size="8" swapsize="8" typeclass="ULInt" iecname="ULINT" />
     <TypeArray name="T_ARRAY__0__7__OF_UDINT" size="32" nativesize="32" typeclass="Array" iecname="ARRAY [0..7] OF UDINT" basetype="T_UDINT">
       <ArrayDim minrange="0" maxrange="7" />
     </TypeArray>
@@ -236,6 +237,9 @@
   <NodeList>
     <Node name="Application" nodeflags="NodeTypeBranchNode BranchNodeApplicationName">
       <Node name="atGVL" nodeflags="NodeTypeBranchNode SigTypeGvl">
+        <Node name="clock" nodeflags="SigTypeGvl ExportedVariable" type="T_ULINT" access="ReadWrite">
+          <Comment>system clock, used to check for stale data</Comment>
+        </Node>
         <Node name="hmiReset" nodeflags="SigTypeGvl ExportedVariable" type="T_BOOL" access="ReadWrite" />
       </Node>
       <Node name="g" nodeflags="NodeTypeBranchNode SigTypeGvl">
@@ -272,6 +276,9 @@
           <Comment>Main Panel IO #1</Comment>
         </Node>
       </Node>
+      <Node name="Outflow" nodeflags="NodeTypeBranchNode SigTypeProgram">
+        <Node name="outVolALM" nodeflags="SigTypeProgram ExportedVariable" type="T_atAI" access="ReadWrite" />
+      </Node>
     </Node>
   </NodeList>
 </Symbolconfiguration>
\ No newline at end of file
diff --git a/atSite/RRF-MainWater.project b/atSite/RRF-MainWater.project
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