Building one system with Niagara, another with Metasys, a third with custom Modbus devices. No consistent naming convention makes it hard for technicians to understand point purposes or query data.
Advantages:
chiller_1_evaporator_leaving_temp automatically implies it's a chiller, temperature sensor, on the leaving side of evaporatorStructure:
[Site][Building][System][Component][Measurement][Device]
site: example-campus
building: building-a
system: chiller-loop
equipment: chiller-1
point: leaving-water-temp
Full name: chiller-1-leaving-water-temp
Example Naming Scheme:
ahu-1-supply-air-temp (temperature sensor, AHU discharge)
ahu-1-return-air-temp (temperature sensor, AHU return)
ahu-1-damper-position (actuator feedback)
vav-301-zone-temp (zone temperature in room 301)
vav-301-supply-air-flow (flow measurement)
vav-301-setpoint (user-adjustable setpoint)
Advantages:
Structure:
[Equipment-Type]-[Building]-[Area]-[Unit]-[Measurement]
AHU-BLDG-01-1-SAT (Supply Air Temp, AHU 1, Building 1)
VAV-BLDG-01-301-ZT (Zone Temp, VAV in Room 301)
CHW-RETURN-T (Chilled Water Return Temperature)