| Property | Type | Description |
| Communication Address | Numeric | This property provides access to the assigned communications address value of the UCM being represented. |
| Communication Bad Message Count | Numeric | This is a property for keeping track of the number of message errors which occur when attempting to communicate with the UCM. |
| Communication Channel | Numeric | This property provides access to the assigned communications channel value of the UCM being represented. |
| Communication Error Count | Numeric | This is a property for keeping track of the number of communications errors that occur when attempting to communicate with the UCM. |
| Communication No Answer Count | Numeric | This property indicates the number of unanswered communications with the UCM. |
| Communication Retry | Binary | Provides access to the communications retry indicator. This property is used to signal the control server that it needs to force control data output to the device when it is awakened for maintenance operations. The communications retry indicator is set (TRUE) when an attempt to send control data fails, and cleared (FALSE) when communications are successful. |
| Object Identifier | Object ID | Unique hexadecimal ID of this object. This ID is used internally to identify the object. |
| Object Type | Multi-State | Designates object’s type (i.e., analog input, binary output, TCM, PCM, etc.). |
| Update Tag | Numeric | Object instance update tag. This tag is used to indicate that the nonvolatile data within the particular instance has changed. The workstation is the primary user of this property. |