diff --git a/site_ansto/instrument/config/environment/magneticField/sct_oxford_ips.tcl b/site_ansto/instrument/config/environment/magneticField/sct_oxford_ips.tcl
index fc381772..f3817e3d 100644
--- a/site_ansto/instrument/config/environment/magneticField/sct_oxford_ips.tcl
+++ b/site_ansto/instrument/config/environment/magneticField/sct_oxford_ips.tcl
@@ -36,6 +36,14 @@ debug_log "chkWrite resp=$data sct=[sct] tc_root=$tc_root"
       sct geterror "$data"
     } elseif {[string equal -nocase -length 1 $data "?"]} {
       sct geterror "Error: $data"
+    } else {
+      set data [sct target]
+      if {$data != [sct oldval]} {
+        sct oldval $data
+        sct update $data
+        sct utime readtime
+debug_log "chkWrite new data for $tc_root [sct] result=$data"
+      }
     }
     return idle
   }
@@ -74,6 +82,12 @@ debug_log "setPoint: sct=[sct] target=[sct target] writestatus=[sct writestatus]
       sct print "Driving Persistent Field ([hval $tc_root/Display/PstntField]) to target ([sct target])"
     }
     set par "[sct target]"
+      if {$par != [sct oldval]} {
+        sct oldval $par
+        sct update $par
+        sct utime readtime
+debug_log "setPoint new data for $tc_root [sct] result=$par"
+      }
     hset $tc_root/status "busy"
     sct print "status: busy"
     hset $tc_root/drive_state "START"