diff --git a/site_ansto/instrument/util/gen_sct.py b/site_ansto/instrument/util/gen_sct.py
index 2241e59d..ae5afc2c 100755
--- a/site_ansto/instrument/util/gen_sct.py
+++ b/site_ansto/instrument/util/gen_sct.py
@@ -1735,12 +1735,21 @@ def put_read_config(MyDriver):
     txt += ['          if { ![string equal -nocase "${simulation_flag}" "false"] } {']
     txt += ['            set asyncqueue "null"']
     txt += ['            ${ns}::sics_log 9 "simulation_flag=${simulation_flag} => using null asyncqueue"']
+    txt += ['            ${ns}::sics_log 9 "makesctcontroller sct_${name} aqadapter NULL"']
+    txt += ['            makesctcontroller sct_${name} aqadapter NULL']
     txt += ['          } elseif { [dict exists $v "asyncqueue"] } {']
     txt += ['            set asyncqueue [dict get $v "asyncqueue"]']
     txt += ['            if { [string equal -nocase ${asyncqueue} "sct"] } {']
     txt += ['              set ip_address [dict get $v ip]']
     txt += ['              set tcp_port [dict get $v port]']
-    txt += ['              }']
+    if 'protocol_args' in MyDriver:
+        protocol_args = ' ' + MyDriver['protocol_args']
+    else:
+        protocol_args = ''
+    txt += ['              makesctcontroller sct_${name} %s ${ip_address}:${tcp_port} %s' % (MyDriver['protocol'], protocol_args)]
+    txt += ['            } else {']
+    txt += ['              makesctcontroller sct_${name} aqadapter ${asyncqueue}']
+    txt += ['            }']
     txt += ['          } else {']
     txt += ['            if { [dict exists $v "asyncprotocol"] } {']
     txt += ['              set asyncprotocol [dict get $v "asyncprotocol"]']
@@ -1765,17 +1774,18 @@ def put_read_config(MyDriver):
     txt += ['            if { [dict exists $v "timeout"] } {']
     txt += ['              ${asyncqueue} timeout "[dict get $v "timeout"]"']
     txt += ['            }']
+    txt += ['            makesctcontroller sct_${name} aqadapter ${asyncqueue}']
     txt += ['          }']
-    if 'add_args_lst' in MyDriver:
+    if 'make_args_lst' in MyDriver:
         txt += ['          set arg_list [list]']
         txt += ['          set missing_list [list]']
         default_list = []
-        for arg in [key for key in MyDriver['add_args_lst'] if MyDriver['add_args_map'][key] is not None]:
-            default_list += [arg, MyDriver['add_args_map'][arg]]
+        for arg in [key for key in MyDriver['make_args_lst'] if MyDriver['make_args_map'][key] is not None]:
+            default_list += [arg, MyDriver['make_args_map'][arg]]
         if len(default_list) > 0:
             txt += ['          array unset default_map']
             txt += ['          array set default_map [list %s]' % ' '.join(default_list)]
-        txt += ['          foreach arg {' + ' '.join(MyDriver['add_args_lst']) + '} {']
+        txt += ['          foreach arg {' + ' '.join(MyDriver['make_args_lst']) + '} {']
         txt += ['            if {[dict exists $u $arg]} {']
         txt += ['              lappend arg_list "[dict get $u $arg]"']
         txt += ['            } elseif {[dict exists $v $arg]} {']
@@ -1791,17 +1801,10 @@ def put_read_config(MyDriver):
         txt += ['          if { [llength $missing_list] > 0 } {']
         txt += ['              error "$name is missing configuration values $missing_list"']
         txt += ['          }']
-        txt += ['          if { [string equal -nocase ${asyncqueue} "sct"] } {']
-        txt += ['            ${ns}::add_driver ${name} ${device_class} ${simulation_flag} ${ip_address} ${tcp_port} {*}$arg_list']
-        txt += ['          } else {']
-        txt += ['            ${ns}::add_driver ${name} ${device_class} ${simulation_flag} "aqadapter" ${asyncqueue} {*}$arg_list']
-        txt += ['          }']
+        make_args = ' {*}$arg_list'
     else:
-        txt += ['          if { [string equal -nocase ${asyncqueue} "sct"] } {']
-        txt += ['            ${ns}::add_driver ${name} ${device_class} ${simulation_flag} ${ip_address} ${tcp_port}']
-        txt += ['          } else {']
-        txt += ['            ${ns}::add_driver ${name} ${device_class} ${simulation_flag} "aqadapter" ${asyncqueue}']
-        txt += ['          }']
+        make_args = ''
+    txt += ['          ${ns}::mkDriver sct_${name} ${device_class} ${simulation_flag} ${ip_address} ${tcp_port}' + make_args]
     txt += ['        }']
     txt += ['      }']
     txt += ['    }']