LG ACP BACnet, Installation And User Manual

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ENGLISH
Functional Specifications ACP BACnet
Detailed Explanation of Object
Common to All Objects
Objects related to the air conditioner in communication are treated on the ACP BACnet as described below.
‡
Air Conditioner in Normal Communication
-
Other ACP BACnet devices can access each object related to the air conditioner.
‡ Air Conditioner Unconnected
-
It seems to other ACP BACnet devices that no objects related to the air conditioner exist.
-
Therefore, when the ReadProperty/WriteProperty service is received, the following Er-
rorPDU will be returned.
-
Error class: OBJECT; Error type: UNKNOWN_PROPERTY
‡ Air Conditioner Communication Error
-
Other BACnet device can access the objects related to the air conditioners, but the Present_
Value Property will be read in a value immediately before the communication error.
Run/Stop (Setting)
‡ Point number: 1
‡
Object name: StartStopCommand_XXX (XXX: Indoor/Vent/AHU address)
‡
Object type: Binary Output
‡ Meaning: This object is used to give Run/Stop commands to the air conditioner.
‡
Present_Value property:
‡ ACTIVE: Run command
‡
INACTIVE: Stop command
‡
Remarks :
1. The command executed is transmitted to the A/C regardless of the status of the A/C.
2. Present_Value property will not be used if a property has never been set in the past.
Run/Stop (Status)
‡
Point number: 2
‡ Object name: StartStopStatus_XXX (XXX: Indoor/Vent/AHU address)
‡
Object type: Binary Input
‡ Meaning: This object is used to monitor the Run/Stop status of the air conditioner.
‡
Present_Value property:
‡
ACTIVE: Run
‡ INACTIVE: Stop
‡
Remarks : If there is an operation error, the Present_Value property will be set to ACTIVE
regardless of whether the A/C is in operation or not.