diff --git a/site_ansto/instrument/config/environment/omron_hldc.sct b/site_ansto/instrument/config/environment/omron_hldc.sct
new file mode 100644
index 00000000..66a62a1e
--- /dev/null
+++ b/site_ansto/instrument/config/environment/omron_hldc.sct
@@ -0,0 +1,48 @@
+# Simple driver generator for the Omron ZS-HLDC Laser Displacement
+# vim: ts=8 sts=2 sw=2 expandtab autoindent smartindent
+#
+driver omron_hldc = {
+  debug_threshold = 5;
+  vendor = Omron; device = 'ZS-HDLC'; protocol = std;
+  class = environment;
+  simulation_group = environment_simulation;
+
+  group = {
+    readable = 1;
+    var id = {
+      type = text
+      read_function = read_id; read_command = '0501';
+    }
+    var distance = {
+      type = float
+      read_function = read_mm; read_command = '0201C02030008001'; }
+  }
+
+  code getValue = {%%
+    set cmd "00000${cmd}"
+  %%}
+
+  code read_id = {%%
+    if {[string length ${data}] < 14} {
+      sct geterror "read_id short response ${data}"
+    } else {
+      set data [string range ${data} 14 end]
+    }
+  %%}
+    
+  code read_mm = {%%
+    if {[string length "${data}"] < 34} {
+      sct geterror "read_mm short response ${data}"
+    } else {
+      set hex [string range ${data} 26 end]
+      debug_log ${tc_root} 1 "hex = ${hex}"
+      set n [scan "${hex}" "%x" val]
+      if {${n} == 1} {
+        set data [expr {0.000001 * ${val}}]
+      } else {
+        sct geterror "read_mm n = ${n} for hex = ${hex}"
+      }
+    }
+  %%}
+
+}
diff --git a/site_ansto/instrument/config/environment/sct_omron_hldc.tcl b/site_ansto/instrument/config/environment/sct_omron_hldc.tcl
new file mode 100644
index 00000000..121a3ee4
--- /dev/null
+++ b/site_ansto/instrument/config/environment/sct_omron_hldc.tcl
@@ -0,0 +1,317 @@
+# Generated driver for omron_hldc
+# vim: ft=tcl tabstop=8  softtabstop=2  shiftwidth=2  nocindent  smartindent
+#
+
+namespace eval ::scobj::omron_hldc {
+  set debug_threshold 5
+}
+
+proc ::scobj::omron_hldc::debug_log {tc_root debug_level debug_string} {
+  set catch_status [ catch {
+    set debug_threshold [hgetpropval ${tc_root} debug_threshold]
+    if {${debug_level} >= ${debug_threshold}} {
+      set fd [open "../log/omron_hldc_[basename ${tc_root}].log" "a"]
+      set line "[clock format [clock seconds] -format "%T"] ${debug_string}"
+      puts ${fd} "${line}"
+      close ${fd}
+    }
+  } catch_message ]
+}
+
+proc ::scobj::omron_hldc::sics_log {debug_level debug_string} {
+  set catch_status [ catch {
+    set debug_threshold ${::scobj::omron_hldc::debug_threshold}
+    if {${debug_level} >= ${debug_threshold}} {
+      sicslog "::scobj::omron_hldc::${debug_string}"
+    }
+  } catch_message ]
+}
+
+# check function for hset change
+proc ::scobj::omron_hldc::checkrange {tc_root} {
+  set catch_status [ catch {
+    debug_log ${tc_root} 1 "checkrange tc_root=${tc_root} sct=[sct] target=[sct target]"
+    set setpoint [sct target]
+    if { [hpropexists [sct] lowerlimit] } {
+      set lolimit [sct lowerlimit]
+    } else {
+      # lowerlimit not set, use target
+      set lolimit [sct target]
+    }
+    if { [hpropexists [sct] upperlimit] } {
+      set hilimit [sct upperlimit]
+    } else {
+      # upperlimit not set, use target
+      set hilimit [sct target]
+    }
+# checkrange hook code goes here
+    if { ${setpoint} < ${lolimit} || ${setpoint} > ${hilimit} } {
+      error "setpoint ${setpoint} violates limits (${lolimit}..${hilimit}) on [sct]"
+    }
+    return OK
+  } catch_message ]
+  handle_exception ${catch_status} ${catch_message}
+}
+
+# function to request the read of a parameter on a device
+proc ::scobj::omron_hldc::getValue {tc_root nextState cmd_str} {
+  set catch_status [ catch {
+    debug_log ${tc_root} 1 "getValue tc_root=${tc_root} sct=[sct] cmd=${cmd_str}"
+    if { [hpropexists [sct] geterror] } {
+      hdelprop [sct] geterror
+    }
+    set cmd "${cmd_str}"
+# getValue hook code starts
+    set cmd "00000${cmd}"
+# getValue hook code ends
+    if { [hpropexists [sct] geterror] } {
+      debug_log ${tc_root} 9 "[sct] error: [sct geterror]"
+      error "[sct geterror]"
+    }
+    debug_log ${tc_root} 1 "getValue sct send ${cmd}"
+    if {![string equal -nocase -length 10 ${cmd} "@@NOSEND@@"]} {
+      sct send "${cmd}"
+    }
+    return ${nextState}
+  } catch_message ]
+  handle_exception ${catch_status} ${catch_message}
+}
+
+# function to check the write parameter on a device
+proc ::scobj::omron_hldc::noResponse {tc_root} {
+  set catch_status [ catch {
+    debug_log ${tc_root} 1 "noResponse tc_root=${tc_root} sct=[sct] resp=[sct result]"
+# noResponse hook code goes here
+    return "idle"
+  } catch_message ]
+  handle_exception ${catch_status} ${catch_message}
+}
+
+# function to parse the read of a parameter on a device
+proc ::scobj::omron_hldc::read_id {tc_root} {
+  set catch_status [ catch {
+    debug_log ${tc_root} 1 "read_id tc_root=${tc_root} sct=[sct] result=[sct result]"
+    if { [hpropexists [sct] geterror] } {
+      hdelprop [sct] geterror
+    }
+    set data [sct result]
+    set nextState "idle"
+    if {[string equal -nocase -length 7 ${data} "ASCERR:"]} {
+      # the protocol driver has reported an error
+      sct geterror "${data}"
+      error "[sct geterror]"
+    }
+# read_id hook code starts
+    if {[string length ${data}] < 14} {
+      sct geterror "read_id short response ${data}"
+    } else {
+      set data [string range ${data} 14 end]
+    }
+# read_id hook code ends
+    if { [hpropexists [sct] geterror] } {
+      debug_log ${tc_root} 9 "[sct] error: [sct geterror]"
+      error "[sct geterror]"
+    }
+    if { ${data} != [sct oldval] } {
+      debug_log ${tc_root} 1 "[sct] changed to new:${data}, from old:[sct oldval]"
+      sct oldval ${data}
+      sct update ${data}
+      sct utime readtime
+      }
+    return ${nextState}
+  } catch_message ]
+  handle_exception ${catch_status} ${catch_message}
+}
+
+# function to parse the read of a parameter on a device
+proc ::scobj::omron_hldc::read_mm {tc_root} {
+  set catch_status [ catch {
+    debug_log ${tc_root} 1 "read_mm tc_root=${tc_root} sct=[sct] result=[sct result]"
+    if { [hpropexists [sct] geterror] } {
+      hdelprop [sct] geterror
+    }
+    set data [sct result]
+    set nextState "idle"
+    if {[string equal -nocase -length 7 ${data} "ASCERR:"]} {
+      # the protocol driver has reported an error
+      sct geterror "${data}"
+      error "[sct geterror]"
+    }
+# read_mm hook code starts
+    if {[string length "${data}"] < 34} {
+      sct geterror "read_mm short response ${data}"
+    } else {
+      set hex [string range ${data} 26 end]
+      debug_log ${tc_root} 1 "hex = ${hex}"
+      set n [scan "${hex}" "%x" val]
+      if {${n} == 1} {
+        set data [expr {0.000001 * ${val}}]
+      } else {
+        sct geterror "read_mm n = ${n} for hex = ${hex}"
+      }
+    }
+# read_mm hook code ends
+    if { [hpropexists [sct] geterror] } {
+      debug_log ${tc_root} 9 "[sct] error: [sct geterror]"
+      error "[sct geterror]"
+    }
+    if { ${data} != [sct oldval] } {
+      debug_log ${tc_root} 1 "[sct] changed to new:${data}, from old:[sct oldval]"
+      sct oldval ${data}
+      sct update ${data}
+      sct utime readtime
+      }
+    return ${nextState}
+  } catch_message ]
+  handle_exception ${catch_status} ${catch_message}
+}
+
+# function to write a parameter value on a device
+proc ::scobj::omron_hldc::setValue {tc_root nextState cmd_str} {
+  set catch_status [ catch {
+    debug_log ${tc_root} 1 "setValue tc_root=${tc_root} sct=[sct] cmd=${cmd_str}"
+    if { [hpropexists [sct] geterror] } {
+      hdelprop [sct] geterror
+    }
+    set par [sct target]
+    set cmd "${cmd_str}${par}"
+# setValue hook code goes here
+    if { [hpropexists [sct] driving] } {
+      if { [hpropexists [sct] writestatus] && [sct writestatus] == "start" } {
+        sct driving 1
+      }
+    }
+    debug_log ${tc_root} 1 "setValue sct send ${cmd}"
+    if {![string equal -nocase -length 10 ${cmd} "@@NOSEND@@"]} {
+      sct send "${cmd}"
+    }
+    return ${nextState}
+  } catch_message ]
+  handle_exception ${catch_status} ${catch_message}
+}
+
+proc ::scobj::omron_hldc::mkDriver { sct_controller name } {
+  ::scobj::omron_hldc::sics_log 9 "::scobj::omron_hldc::mkDriver for ${name}"
+  set ns "[namespace current]"
+  set catch_status [ catch {
+
+    MakeSICSObj ${name} SCT_OBJECT
+
+    sicslist setatt ${name} klass environment
+    sicslist setatt ${name} long_name ${name}
+
+    set scobj_hpath /sics/${name}
+
+    hfactory ${scobj_hpath}/distance plain user float
+    hsetprop ${scobj_hpath}/distance read ${ns}::getValue ${scobj_hpath} read_mm {0201C02030008001}
+    hsetprop ${scobj_hpath}/distance read_mm ${ns}::read_mm ${scobj_hpath}
+    hsetprop ${scobj_hpath}/distance control true
+    hsetprop ${scobj_hpath}/distance data true
+    hsetprop ${scobj_hpath}/distance mutable false
+    hsetprop ${scobj_hpath}/distance nxsave true
+    hsetprop ${scobj_hpath}/distance oldval 0.0
+    hsetprop ${scobj_hpath}/distance sdsinfo "::nexus::scobj::sdsinfo"
+    hsetprop ${scobj_hpath}/distance type "part"
+    hsetprop ${scobj_hpath}/distance nxalias "${name}_distance"
+
+    hfactory ${scobj_hpath}/id plain user text
+    hsetprop ${scobj_hpath}/id read ${ns}::getValue ${scobj_hpath} read_id {0501}
+    hsetprop ${scobj_hpath}/id read_id ${ns}::read_id ${scobj_hpath}
+    hsetprop ${scobj_hpath}/id control true
+    hsetprop ${scobj_hpath}/id data true
+    hsetprop ${scobj_hpath}/id mutable false
+    hsetprop ${scobj_hpath}/id nxsave true
+    hsetprop ${scobj_hpath}/id oldval UNKNOWN
+    hsetprop ${scobj_hpath}/id sdsinfo "::nexus::scobj::sdsinfo"
+    hsetprop ${scobj_hpath}/id type "part"
+    hsetprop ${scobj_hpath}/id nxalias "${name}_id"
+
+    if {[string equal -nocase [SplitReply [environment_simulation]] "false"]} {
+      ${sct_controller} poll ${scobj_hpath}/distance 1
+      ${sct_controller} poll ${scobj_hpath}/id 1
+    } else {
+      ::scobj::omron_hldc::sics_log 9 "[environment_simulation] => No poll/write for omron_hldc"
+    }
+    hsetprop ${scobj_hpath} klass environment
+    hsetprop ${scobj_hpath} debug_threshold 5
+# mkDriver hook code goes here
+  } catch_message ]
+  handle_exception ${catch_status} ${catch_message}
+}
+
+namespace eval ::scobj::omron_hldc {
+  namespace export debug_threshold
+  namespace export debug_log
+  namespace export sics_log
+  namespace export mkDriver
+}
+
+proc add_omron_hldc {name IP port} {
+  set catch_status [ catch {
+    ::scobj::omron_hldc::sics_log 9 "add_omron_hldc ${name} ${IP} ${port}"
+    if {[string equal -nocase [SplitReply [environment_simulation]] "false"]} {
+      if {[string equal -nocase "aqadapter" "${IP}"]} {
+        ::scobj::omron_hldc::sics_log 9 "makesctcontroller sct_${name} aqadapter ${port}"
+        makesctcontroller sct_${name} aqadapter ${port}
+      } else {
+        ::scobj::omron_hldc::sics_log 9 "makesctcontroller sct_${name} std ${IP}:${port}"
+        makesctcontroller sct_${name} std ${IP}:${port}
+      }
+    } else {
+      ::scobj::omron_hldc::sics_log 9 "[environment_simulation] => No sctcontroller for omron_hldc"
+    }
+    ::scobj::omron_hldc::sics_log 1 "::scobj::omron_hldc::mkDriver sct_${name} ${name}"
+    ::scobj::omron_hldc::mkDriver sct_${name} ${name}
+  } catch_message ]
+  handle_exception ${catch_status} ${catch_message}
+}
+
+puts stdout "file evaluation of sct_omron_hldc.tcl"
+::scobj::omron_hldc::sics_log 9 "file evaluation of sct_omron_hldc.tcl"
+
+proc ::scobj::omron_hldc::read_config {} {
+  set catch_status [ catch {
+    set ns "::scobj::omron_hldc"
+    dict for {k v} $::config_dict {
+      if { [dict exists $v "driver"] } {
+        if { [dict get $v "driver"] == "omron_hldc" } {
+          if { [dict get $v enabled] } {
+            set name [dict get $v name]
+            if { ![string equal -nocase [SplitReply [environment_simulation]] "false"] } {
+              set asyncqueue "null"
+              ${ns}::sics_log 9 "[environment_simulation] => using null asyncqueue"
+            } elseif { [dict exists $v "asyncqueue"] } {
+              set asyncqueue [dict get $v "asyncqueue"]
+            } else {
+              if { [dict exists $v "asyncprotocol"] } {
+                set asyncprotocol [dict get $v "asyncprotocol"]
+              } else {
+                set asyncprotocol ${name}_protocol
+                MakeAsyncProtocol ${asyncprotocol}
+                if { [dict exists $v "terminator"] } {
+                  ${asyncprotocol} sendterminator "[dict get $v "terminator"]"
+                  ${asyncprotocol} replyterminator "[dict get $v "terminator"]"
+                }
+              }
+              set asyncqueue ${name}_queue
+              set IP [dict get $v ip]
+              set PORT [dict get $v port]
+              MakeAsyncQueue ${asyncqueue} ${asyncprotocol} ${IP} ${PORT}
+              if { [dict exists $v "timeout"] } {
+                ${asyncqueue} timeout "[dict get $v "timeout"]"
+              }
+            }
+            add_omron_hldc ${name} "aqadapter" ${asyncqueue}
+          }
+        }
+      }
+    }
+  } catch_message ]
+  handle_exception ${catch_status} ${catch_message}
+}
+
+if { [info exists ::config_dict] } {
+  ::scobj::omron_hldc::read_config
+} else {
+  ::scobj::omron_hldc::sics_log 5 "No config dict"
+}
diff --git a/site_ansto/instrument/reflectometer/platypus_configuration.tcl b/site_ansto/instrument/reflectometer/platypus_configuration.tcl
index a43b0c8d..94ffd7a8 100644
--- a/site_ansto/instrument/reflectometer/platypus_configuration.tcl
+++ b/site_ansto/instrument/reflectometer/platypus_configuration.tcl
@@ -28,6 +28,7 @@ fileeval $cfPath(counter)/counter.tcl
 fileeval $cfPath(environment)/sct_syr.tcl
 fileeval $cfPath(environment)/sct_mvp.tcl
 fileeval $cfPath(environment)/sct_protek_common.tcl
+fileeval $cfPath(environment)/sct_omron_hldc.tcl
 fileeval $cfPath(environment)/magneticField/sct_bruker_BEC1.tcl
 fileeval $cfPath(environment)/temperature/sct_lakeshore_336.tcl
 fileeval $cfPath(environment)/temperature/sct_lakeshore_340.tcl