SignalColor 
Holds the possible colour values for stacklight lamps.
The fields of the SignalColor DataType are defined in the following table:
| Name | Value | Description |
|---|---|---|
| Off | 0 | Element is disabled. |
| Red | 1 | This value indicates a red lamp colour. |
| Green | 2 | This value indicates a green lamp colour. |
| Blue | 3 | This value indicates a blue lamp colour. |
| Yellow | 4 | This value indicates a yellow lamp colour (R+G). |
| Purple | 5 | This value indicates a purple lamp colour (R+B). |
| Cyan | 6 | This value indicates a cyan lamp colour (G+B). |
| White | 7 | This value indicates a white lamp colour (R+G+B). |
The representation of the SignalColor DataType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=3004 |
| NamespaceUri | http://opcfoundation.org/UA/IA/ |
| BrowseName | SignalColor |
| IsAbstract | False |
| SubtypeOf | Enumeration |
| Categories |
The references from the SignalColor DataType Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasProperty | Variable | EnumValues | EnumValueType[] | PropertyType | Mandatory |