diff --git a/src/Daliuge.ts b/src/Daliuge.ts
index b28c09b6..5f0df9b7 100644
--- a/src/Daliuge.ts
+++ b/src/Daliuge.ts
@@ -104,7 +104,8 @@ export namespace Daliuge {
         Dill = "dill",
         Npy = "npy",
         Base64 = "base64",
-        UTF8 = "utf-8"
+        UTF8 = "utf-8",
+        Path = "path"
     }
 
     export enum FieldType {
diff --git a/src/ParameterTable.ts b/src/ParameterTable.ts
index 8e62f6cf..704d93c2 100644
--- a/src/ParameterTable.ts
+++ b/src/ParameterTable.ts
@@ -207,13 +207,14 @@ export class ParameterTable {
     // TODO: move to Eagle.ts?
     //       doesn't seem to depend on any ParameterTable state, only Eagle state
     static getNodeLockedState = (field:Field) : boolean => {
+        const eagle: Eagle = Eagle.getInstance();
+
         // this handles a special case where EAGLE is displaying the "Graph Configuration Attributes Table"
         // all the field names shown in that table should be locked (readonly)
         if (Setting.find(Setting.BOTTOM_WINDOW_MODE).value() === Eagle.BottomWindowMode.ConfigParameterTable){
-            return true;
+            return eagle.logicalGraph().findNodeByIdQuiet(field?.getNodeId()).isLocked()
         }
 
-        const eagle: Eagle = Eagle.getInstance();
         if(Eagle.selectedLocation() === Eagle.FileType.Palette){
             if(eagle.selectedNode() === null){
                 return false
diff --git a/templates/config_parameter_table.html b/templates/config_parameter_table.html
index 9b0a3558..b4bf38a4 100644
--- a/templates/config_parameter_table.html
+++ b/templates/config_parameter_table.html
@@ -69,7 +69,7 @@ <h5 class="bottomWindowHeader">
                                             <input class="tableParameter" type="string" data-bind="value: $root.logicalGraph().findNodeByIdQuiet(nodeId())?.getName(), disabled: true, eagleTooltip: $root.logicalGraph().findNodeByIdQuiet(nodeId())?.getDescription()">
                                         </td>
                                             <td class='columnCell column_DisplayText' data-bind=" css: { selectedTableParameter: ParameterTable.isSelected('displayText', $data) }, eagleTooltip:description, click: function(){Utils.showField($root, nodeId(), $data)}">
-                                                <input class="tableParameter selectionTargets tableFieldDisplayName" placeholder="New Parameter" type="string" data-bind="value: displayText, disabled: ParameterTable.getNodeLockedState($data), valueUpdate: ['afterkeydown', 'input'], click: function(event, data){ParameterTable.select($data.displayText(), 'displayText', $data, $index())}, event:{blur: function(){$(event.target).removeClass('newEmpty')} ,keyup: function(event, data){ParameterTable.select($data.displayText(), 'displayText', $data, $index())}}">
+                                                <input class="tableParameter selectionTargets tableFieldDisplayName" placeholder="New Parameter" type="string" data-bind="value: displayText, disabled: true, valueUpdate: ['afterkeydown', 'input'], click: function(event, data){ParameterTable.select($data.displayText(), 'displayText', $data, $index())}, event:{blur: function(){$(event.target).removeClass('newEmpty')} ,keyup: function(event, data){ParameterTable.select($data.displayText(), 'displayText', $data, $index())}}">
                                             </td>
                                             
                                         <!-- value fields -->
diff --git a/templates/node_parameter_table.html b/templates/node_parameter_table.html
index 1fb49410..44e00faa 100644
--- a/templates/node_parameter_table.html
+++ b/templates/node_parameter_table.html
@@ -157,7 +157,6 @@ <h5 class="bottomWindowHeader">Fields Table: </h5>
                                             <!-- ko if: ParameterTable.getActiveColumnVisibility().displayText() -->
                                                 <td class='columnCell column_DisplayText' data-bind=" css: { selectedTableParameter: ParameterTable.isSelected('displayText', $data) }, eagleTooltip:description, click: function(){Utils.showField($root, nodeId(), $data)}">
                                                     <input class="tableParameter selectionTargets tableFieldDisplayName" placeholder="New Parameter" type="string" data-bind="value: displayText, disabled: ParameterTable.getNodeLockedState($data), valueUpdate: ['afterkeydown', 'input'], click: function(event, data){ParameterTable.select($data.displayText(), 'displayText', $data, $index())}, event:{blur: function(){$(event.target).removeClass('newEmpty')} ,keyup: function(event, data){ParameterTable.select($data.displayText(), 'displayText', $data, $index())}}">
-                                                    
                                                     <!-- ko if: Eagle.selectedLocation() === Eagle.FileType.Graph -->
                                                         <!-- ko ifnot: $root.logicalGraph().getActiveGraphConfig()?.hasField($data) -->
                                                         <button class="iconHoverEffect" data-bind="click: function(){ParameterTable.requestAddField($data)}, disabled: !Setting.findValue(Setting.ALLOW_MODIFY_GRAPH_CONFIG) || $root.getCurrentParamValueReadonly($data), eagleTooltip:'Add Field to Graph Config', style:{'visibility':'hidden'}, clickBubble:false">