Chapter 6 Drive Communication Network|VP3000 
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6-2-4 VP3000 BACnet Object and Property: 
In VP3000, BACnet supports 3 types of object: Device, Analog Value (AV) and Binary Value (BV). In 
each object type, we have the following table to show the Properties list: 
APPLICATION_SOFTWARE_VERSION 
PROTOCOL_OBJECT_TYPES_SUPPORTED 
PROTOCOL_SERVICES_SUPPORTED 
NOTE: 
*1. The Object_ID and Object_Name Properties of Device are writeable.   
*2. The Present_Value Property of some AV and BV objects is commandable. 
*3. Only Commandable objects support Priority_Array and Relinquish_Default.