| Enumeration | Description | |
|---|---|---|
 | BusSystemType | Possible types of bus system to which a PLC bus port can be assigned. |
| FunctionCategory | Categories of a function. |
| ItemType | An item is part of a device which cannot be further broken down, such as a motor, terminal, plug, auxiliary block, or cable. |
| PinPotentialType | Enumeration of Pin's potential types |