In modern facilities, the native objects (AI, BI, BO, etc.) in BACnet most directly represent which information layer between devices and a head-end?
Choices
- (A) Semantic presentation of process variables and commands, then mapped to BMS and alarms
- (B) Structural 3D mesh
- (C) Electrical kW demand without meter
- (D) Soil pH
Correct answer: (A)
Semantic presentation of process variables and commands, then mapped to BMS and alarms
Explanation
ASHRAE/BACnet: open protocol object model for field integration.