BACnet Interface - Binary Input Object - Buttons
Binary Input Object - Buttons
To obtain the button state of each individual button instance, use the Binary Input objects.
Button
List of available properties for these objects.
| Property Identifier | Property ID | Property Datatype | Conformance Code |
|---|---|---|---|
| Object_Identifier | 75 | BACnetObjectIdentifier | R |
| Object_Name | 77 | CharacterString | R |
| Object_Type | 79 | BACnetObjectType | R |
| Present_Value | 85 | Enumerated | W |
| Description | 28 | CharacterString | R |
| Status_Flags | 111 | BACnetStatusFlags | R |
| Event_State | 36 | BACnetEventState | R |
| Reliability | 103 | BACnetReliability | R |
| Inactive_Text | 46 | CharacterString | R |
| Active_Text | 4 | CharacterString | R |
| Buttons_Allowed_Command | 927 | Enumerated | W |
| Device_Serial_Number | 573 | OCTET STRING | R |
Object_Identifier
The object instance number is represented as 3CLLII.
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"3" the prefix is the number 3.
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"C" represents the DALI channel number, 0, 1, 2, or 3.
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"LL" represents the DALI input device, numbers 00-31.
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"II" represents the button instance number, numbers 00-31.
Object_Name
The name of the button.
Object_Type
BINARY_INPUT (3).
Present_Value
The current button state.
For button instance configured as Push-button, the value toggle each time that the button is short pressed.
For button instance configured as Switch, the value is ACTIVE when the button is pressed and INACTIVE when the button is released.
Inactive_Text
"Inactive".
Active_Text
"Active".
Buttons_Allowed_Command
Indicates whether the button instances of the associated DALI input device can generate commands.
At the startup, the value is OFF_ON_ALLOWED.
| Name | Value | Description |
|---|---|---|
| OFF_ON_DISALLOWED | 0 | Both Off and On commands are disabled. |
| OFF_ALLOWED | 1 | Only Off commands are enabled. |
| ON_ALLOWED | 2 | Only On commands are used. |
| OFF_ON_ALLOWED | 3 | Both Off and On commands are enabled. |
Off commands are the commands Direct Value with a value of 0, Off and Off / Down. As well as the toggle commands On / Off and Last Level / Off when the command to generate is Off.
On commands are the commands Direct Value with a value greater than 0, Max Level, Max Level / Up, Min Level, Min Level / Down, Recall Scene, Recall Scene / Up and Recall Scene / Down. As well as the toggle commands On / Off and Last Level / Off when the command to generate is not Off.
Device_Serial_Number
The DALI serial number of the input device.