diff --git a/site_ansto/instrument/config/beamline/he3_polanal_sct.tcl b/site_ansto/instrument/config/beamline/he3_polanal_sct.tcl
index 752989e1..d29be32c 100644
--- a/site_ansto/instrument/config/beamline/he3_polanal_sct.tcl
+++ b/site_ansto/instrument/config/beamline/he3_polanal_sct.tcl
@@ -175,27 +175,9 @@ proc ::scobj::he3_polanal::setValue {tc_root nextState cmd_str} {
     set cmd "${cmd_str}${par}"
 # setValue hook code starts
     set cmd "${cmd_str}"
-    if {[string equal -nocase [sct target] "refresh"]} {
-      set cmd "${cmd_str}"
-    }
-    if {[string equal -nocase [sct target] "minus"]} {
-      set cmd "${cmd_str} -"
-    }
-    if {[string equal -nocase [sct target] "dn"]} {
-      set cmd "${cmd_str} -"
-    }
-    if {[string equal -nocase [sct target] "down"]} {
-      set cmd "${cmd_str} -"
-    }
     if {[sct target] == "-" || [sct target] == -1} {
       set cmd "${cmd_str} -"
     }
-    if {[string equal -nocase [sct target] "plus"]} {
-      set cmd "${cmd_str} +"
-    }
-    if {[string equal -nocase [sct target] "up"]} {
-      set cmd "${cmd_str} +"
-    }
     if {[sct target] == "+" || [sct target] == 1} {
       set cmd "${cmd_str} +"
     }
@@ -318,12 +300,12 @@ proc ::scobj::he3_polanal::mkDriver { sct_controller name device_class simulatio
       hsetprop ${scobj_hpath}/analyser/time2 type "part"
       hsetprop ${scobj_hpath}/analyser/time2 nxalias "${name}_analyser_time2"
 
-      hfactory ${scobj_hpath}/analyser/timestamp plain user float
+      hfactory ${scobj_hpath}/analyser/timestamp plain user int
       hsetprop ${scobj_hpath}/analyser/timestamp control true
       hsetprop ${scobj_hpath}/analyser/timestamp data true
       hsetprop ${scobj_hpath}/analyser/timestamp mutable true
       hsetprop ${scobj_hpath}/analyser/timestamp nxsave true
-      hsetprop ${scobj_hpath}/analyser/timestamp oldval 0.0
+      hsetprop ${scobj_hpath}/analyser/timestamp oldval 0
       hsetprop ${scobj_hpath}/analyser/timestamp klass "parameter"
       hsetprop ${scobj_hpath}/analyser/timestamp sdsinfo "::nexus::scobj::sdsinfo"
       hsetprop ${scobj_hpath}/analyser/timestamp type "part"
@@ -406,12 +388,12 @@ proc ::scobj::he3_polanal::mkDriver { sct_controller name device_class simulatio
       hsetprop ${scobj_hpath}/analyser_start/time2 type "part"
       hsetprop ${scobj_hpath}/analyser_start/time2 nxalias "${name}_analyser_start_time2"
 
-      hfactory ${scobj_hpath}/analyser_start/timestamp plain user float
+      hfactory ${scobj_hpath}/analyser_start/timestamp plain user int
       hsetprop ${scobj_hpath}/analyser_start/timestamp control true
       hsetprop ${scobj_hpath}/analyser_start/timestamp data true
       hsetprop ${scobj_hpath}/analyser_start/timestamp mutable true
       hsetprop ${scobj_hpath}/analyser_start/timestamp nxsave true
-      hsetprop ${scobj_hpath}/analyser_start/timestamp oldval 0.0
+      hsetprop ${scobj_hpath}/analyser_start/timestamp oldval 0
       hsetprop ${scobj_hpath}/analyser_start/timestamp klass "parameter"
       hsetprop ${scobj_hpath}/analyser_start/timestamp sdsinfo "::nexus::scobj::sdsinfo"
       hsetprop ${scobj_hpath}/analyser_start/timestamp type "part"
@@ -481,7 +463,7 @@ proc ::scobj::he3_polanal::mkDriver { sct_controller name device_class simulatio
       hsetprop ${scobj_hpath}/polariser/spin data true
       hsetprop ${scobj_hpath}/polariser/spin mutable true
       hsetprop ${scobj_hpath}/polariser/spin nxsave true
-      hsetprop ${scobj_hpath}/polariser/spin values +,-,Refresh
+      hsetprop ${scobj_hpath}/polariser/spin values -1,0,+1
       hsetprop ${scobj_hpath}/polariser/spin oldval 0.0
       hsetprop ${scobj_hpath}/polariser/spin klass "parameter"
       hsetprop ${scobj_hpath}/polariser/spin sdsinfo "::nexus::scobj::sdsinfo"
@@ -509,12 +491,12 @@ proc ::scobj::he3_polanal::mkDriver { sct_controller name device_class simulatio
       hsetprop ${scobj_hpath}/polariser/time2 type "part"
       hsetprop ${scobj_hpath}/polariser/time2 nxalias "${name}_polariser_time2"
 
-      hfactory ${scobj_hpath}/polariser/timestamp plain user float
+      hfactory ${scobj_hpath}/polariser/timestamp plain user int
       hsetprop ${scobj_hpath}/polariser/timestamp control true
       hsetprop ${scobj_hpath}/polariser/timestamp data true
       hsetprop ${scobj_hpath}/polariser/timestamp mutable true
       hsetprop ${scobj_hpath}/polariser/timestamp nxsave true
-      hsetprop ${scobj_hpath}/polariser/timestamp oldval 0.0
+      hsetprop ${scobj_hpath}/polariser/timestamp oldval 0
       hsetprop ${scobj_hpath}/polariser/timestamp klass "parameter"
       hsetprop ${scobj_hpath}/polariser/timestamp sdsinfo "::nexus::scobj::sdsinfo"
       hsetprop ${scobj_hpath}/polariser/timestamp type "part"
@@ -597,12 +579,12 @@ proc ::scobj::he3_polanal::mkDriver { sct_controller name device_class simulatio
       hsetprop ${scobj_hpath}/polariser_start/time2 type "part"
       hsetprop ${scobj_hpath}/polariser_start/time2 nxalias "${name}_polariser_start_time2"
 
-      hfactory ${scobj_hpath}/polariser_start/timestamp plain user float
+      hfactory ${scobj_hpath}/polariser_start/timestamp plain user int
       hsetprop ${scobj_hpath}/polariser_start/timestamp control true
       hsetprop ${scobj_hpath}/polariser_start/timestamp data true
       hsetprop ${scobj_hpath}/polariser_start/timestamp mutable true
       hsetprop ${scobj_hpath}/polariser_start/timestamp nxsave true
-      hsetprop ${scobj_hpath}/polariser_start/timestamp oldval 0.0
+      hsetprop ${scobj_hpath}/polariser_start/timestamp oldval 0
       hsetprop ${scobj_hpath}/polariser_start/timestamp klass "parameter"
       hsetprop ${scobj_hpath}/polariser_start/timestamp sdsinfo "::nexus::scobj::sdsinfo"
       hsetprop ${scobj_hpath}/polariser_start/timestamp type "part"