diff --git a/site_ansto/instrument/config/beamline/he3_polanal.sct b/site_ansto/instrument/config/beamline/he3_polanal.sct
index fe428deb..b02734cb 100644
--- a/site_ansto/instrument/config/beamline/he3_polanal.sct
+++ b/site_ansto/instrument/config/beamline/he3_polanal.sct
@@ -15,6 +15,11 @@ driver he3_polanal = {
       check_function = chkWrite;
       allowed = "+,-,0"
     }
+    var Amplitude = { type = text; }
+    var Freq = { type = text; units = 'Hertz'; }
+    var Phase = { type = text; units = 'Degree'; }
+    var Time2 = { type = text; units = 'Second'; }
+    var Field = { type = text; units = 'Oersted'; }
   }
   group analyser = {
     var spin = {
@@ -27,9 +32,14 @@ driver he3_polanal = {
       check_function = chkWrite;
       allowed = "+,-,0"
     }
+    var Amplitude = { type = text; }
+    var Freq = { type = text; units = 'Hertz'; }
+    var Phase = { type = text; units = 'Degree'; }
+    var Time2 = { type = text; units = 'Second'; }
+    var Field = { type = text; units = 'Oersted'; }
   }
   code chkWrite = {%%
-    rdValue ${tc_root}
+    [namespace current]::rdValue ${tc_root}
   %%}
 
   code rdValue = {%%
@@ -40,7 +50,7 @@ driver he3_polanal = {
     }
     set my_name [basename [pathname [sct]]]
     if {![string equal -nocase "[lindex ${dlist} 0]" "${my_name}"]} {
-      error "[lindex ${dlist} 0] is not ${my_name}"
+      error "[lindex ${dlist} 0] is not my name (${my_name})"
     }
     if {[string match "*Not Active*" "${data}"]} {
       set data 0
@@ -50,6 +60,26 @@ driver he3_polanal = {
     } else {
       set data [lindex ${dlist} 1]
     }
+    set path [pathname [sct]]
+    if {[llength ${dlist}] > 2} {
+      set new_value [lindex ${dlist} 2]
+      if { "${new_value}" == "NaN" } {
+        set new_value 0
+      }
+      hupdateif ${path}/Amplitude "${new_value}"
+    }
+    if {[llength ${dlist}] > 3} {
+      hupdateif ${path}/Freq "[lindex ${dlist} 3]"
+    }
+    if {[llength ${dlist}] > 4} {
+      hupdateif ${path}/Phase "[lindex ${dlist} 4]"
+    }
+    if {[llength ${dlist}] > 5} {
+      hupdateif ${path}/Time2 "[lindex ${dlist} 5]"
+    }
+    if {[llength ${dlist}] > 6} {
+      hupdateif ${path}/Field "[lindex ${dlist} 6]"
+    }
   %%}
 
   code setValue = {%%