BACnet Communications - BACnet Protocol Implementation Conformance Statement

Liebert® IntelliSlot® Modbus/BACnet IP 218

Analog ObjectUnits

Possible values of the Units property include the BACnet Engineering Units defined in the BACnet

standard, plus these additional proprietary units values:

Analog Object
Property
Analog
Input
Analog
Output
Analog
Value Comments
Object_Identifier x x x —
Object_Name x x x —
Object_Type x x x —
Present_Value x x x
Writable if any of these conditions apply:
• Object is Analog Output
• Object is Analog Value and associated device Data Description is
writable
• Out_Of_Service is True
Description x x x —
Status_Flags x x x —
Event_State x x x —
Reliability x x x —
Out_Of_Service x x x Writable. Values: True/False. Default: False.
Units x x x See Units below this table.
Priority_Array x (x) Support for this property on Analog Value objects is device-dependent.
Relinquish_Default — x (x)
Support for this property on Analog Value objects is device-dependent.
The value is equal to the Present_Value so that if all entries in the
Priority_Array are relinquished, the Present_Value does not change.
COV_Increment x x x Writable. Default: 0.5.
Value Un its
256 Ampere-Hours
257 MilliHertz (.001 Hertz)
258 GigaHertz (1,000,000,000 Hertz)
259 PSI - Absolute
260 Total Harmonic Distortion (%)
261 Microhms (.000001 Ohms)