diff --git a/site_ansto/instrument/config/environment/sct_keithley_2700.tcl b/site_ansto/instrument/config/environment/sct_keithley_2700.tcl
index b6adf8af..2e0187e1 100644
--- a/site_ansto/instrument/config/environment/sct_keithley_2700.tcl
+++ b/site_ansto/instrument/config/environment/sct_keithley_2700.tcl
@@ -24,17 +24,27 @@ namespace eval ::scobj::k2700 {
     debug_log "setParm root=$tc_root sct=[sct] cmd=$cmd target=[sct target]"
     set par "[sct target]"
     sct send "$cmd $par"
-    debug_log "setParm send: $cmd $par"
-    return idle
+    debug_log "setParm send: $cmd $par;*IDN?"
+    if {$par != [sct oldval]} {
+      sct oldval $par
+      sct update $par
+      sct utime readtime
+      debug_log "setParm new data for $tc_root [sct] result=$par"
+    }
     return $nextState
   }
 
   proc setText {tc_root nextState cmd} {
     debug_log "setText root=$tc_root sct=[sct] cmd=$cmd target=[sct target]"
     set par "[sct target]"
-    sct send "$cmd \"$par\""
+    sct send "$cmd \"$par\";*IDN?"
     debug_log "setText send: $cmd \"$par\""
-    return idle
+    if {$par != [sct oldval]} {
+      sct oldval $par
+      sct update $par
+      sct utime readtime
+      debug_log "setText new data for $tc_root [sct] result=$par"
+    }
     return $nextState
   }
 
@@ -42,9 +52,14 @@ namespace eval ::scobj::k2700 {
   proc setValue {tc_root nextState cmd} {
     debug_log "setValue root=$tc_root sct=[sct] cmd=$cmd target=[sct target]"
     set par "[sct target]"
-    sct send "$cmd $par"
+    sct send "$cmd $par;*IDN?"
     debug_log "setValue send: $cmd $par"
-    return idle
+    if {$par != [sct oldval]} {
+      sct oldval $par
+      sct update $par
+      sct utime readtime
+      debug_log "setValue new data for $tc_root [sct] result=$par"
+    }
     return $nextState
   }
 
@@ -143,21 +158,19 @@ debug_log "setPoint new data for $tc_root [sct] result=$par"
         hdelprop [sct] geterror
       }
       if {$my_state == "STATE_INIT"} {
-        set my_cmd "SYSTEM:PRESET"
+        set my_cmd "SYSTEM:PRESET;*IDN?"
         hsetprop $tc_root/device_state my_state "STATE_IDN"
-        #set nextState read
-        set nextState idle
+        set nextState read
       } elseif {$my_state == "STATE_IDN"} {
         set my_cmd "*IDN?"
       } elseif {$my_state == "STATE_CHNL_SET"} {
-        set my_cmd "SENS:FUNC \"VOLTS:DC\""
+        set my_cmd "SENS:FUNC \"VOLTS:DC\";*IDN?"
         set mmf [hval $tc_root/Control/MMF]
         set mbf [hval $tc_root/Control/MBF]
         set mun [hval $tc_root/Control/MUN]
         set my_cmd "CALC:FORM MXB;CALC:KMAT:MMF 1.0;CALC:KMAT:MBF 0.0;CALC:KMAT:MUN \"X\";CALC:STAT ON"
         hsetprop $tc_root/device_state my_state "STATE_CHNL_GET"
-        #set nextState read
-        set nextState idle
+        set nextState read
       } elseif {$my_state == "STATE_CHNL_GET"} {
         set my_cmd "CALC:STAT?"
       } elseif {$my_state == "STATE_FIELD"} {
@@ -381,11 +394,11 @@ debug_log "Registering node $nodeName for write callback"
       set scobj_hpath /sics/$tempobj
       # Group    Node            R W D type  perm     rdCmd      rdFunc         wrCmd              wrFunc     allowed
       set deviceCommand {\
-        Control  Math            0 1 0 text  user     {}         {}             {CALC:FORM}        {setParm}  {MXB}\
-        Control  MMF             0 1 0 float user     {}         {}             {CALC:KMAT:MMF}    {setValue} {}\
-        Control  MBF             0 1 0 float user     {}         {}             {CALC:KMAT:MBF}    {setValue} {}\
-        Control  MUN             0 1 0 text  user     {}         {}             {CALC:KMAT:MUN}    {setText}  {}\
-        Control  Stat            0 1 0 text  user     {}         {}             {CALC:STAT}        {setParm}  {ON,OFF}\
+        Control  Math            0 1 0 text  user     {}         {}             {CALC1:FORM}       {setParm}  {MXB}\
+        Control  MMF             0 1 0 float user     {}         {}             {CALC1:KMAT:MMF}   {setValue} {}\
+        Control  MBF             0 1 0 float user     {}         {}             {CALC1:KMAT:MBF}   {setValue} {}\
+        Control  MUN             0 1 0 text  user     {}         {}             {CALC1:KMAT:MUN}   {setText}  {}\
+        Control  Stat            0 1 0 text  user     {}         {}             {CALC1:STAT}       {setParm}  {ON,OFF}\
         Display  Value           1 0 0 text  internal {FETCH?}   {rdValue}      {}                 {}         {}\
         {}       Setpoint        0 0 0 text  internal {}         {}             {}                 {}         {}\
         Display  X               0 0 0 text  internal {}         {}             {}                 {}         {}\
@@ -419,9 +432,9 @@ debug_log "Registering node $nodeName for write callback"
       hfactory $scobj_hpath/device_lasterror plain user text
       hset     $scobj_hpath/device_lasterror ""
 
-#      if {[SplitReply [environment_simulation]]=="false"} {
-#        $sct_controller poll $scobj_hpath/device_state 1 halt read
-#      }
+      if {[SplitReply [environment_simulation]]=="false"} {
+        $sct_controller poll $scobj_hpath/device_state 1 halt read
+      }
 
       hsetprop $scobj_hpath type part
       foreach snsr {Display} {