Carrier TruVu VAVB3-E2 - Device; Notification Classes

Adjusting the TV-VAVB3-E2 driver properties
TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022
Installation and Start-up Guide All rights reserved
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Device
The Device page provides the following information plus the items described in the table below:
• BACnet device object properties for the TV-VAVB3-E2
• The character sets supported by this device for BACnet communication
• The controller clock's time and date
Configuration
BACnet System Status
The current state of the controller:
Operational
Download in Progress
Download Required
Backup in Progress
Non-Operational
The following fields refer to all networks over which the TV-VAVB3-E2 communicates.
APDU Timeout
How many milliseconds the device will wait before resending a message if no
response is received.
APDU Segment Timeout
How many milliseconds the device will wait before resending a message segment
if no response is received.
Number of APDU Retries
The number of times the device will resend a message.
Notification Classes
A BACnet alarm's Notification Class defines:
• Alarm priority for Alarm, Fault, and Return to Normal states
• Options for BACnet alarm acknowledgment
• Where alarms should be sent (recipients)
Alarms in the i-Vu® application use Notification Class #1. The i-Vu® application is automatically a recipient of
these alarms.
Priorities
NOTE BACnet defines the following Network message priorities for Alarms and
Events.
Priority range
Network message priority
00–63
Life Safety
64–127
Critical Equipment
128–191
Urgent
192–255
Normal
Priority of Off-Normal
BACnet priority for Alarms.
Priority of Fault
BACnet priority for Fault messages.
Priority of Normal
BACnet priority for Return-to-normal messages.