Carrier TruVu UC561, Installation And Startup Manual

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Adjusting the TV-UC561 driver properties
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Installation and Start-up Guide All rights reserved
32
Device
The Device page provides the following information plus the items described in the table below:
•
BACnet device object properties for the TV-UC561
•
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-UC561 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.