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Carrier EQT1-4 - Network Addressing and Time Synchronization

Carrier EQT1-4
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Equipment Touch screens
Screen name
Description
IP
Lets you view or edit network addresses and the UDP Port. Touch a field to tap in the new
number on the keypad.
Time Master
If the controller can be a BACnet Time Master, this screen lets you configure how it sends
time synchronization broadcasts.
Time Sync Mode
- Tap in the number below that represents your selection:
0 = No Broadcast
- The controller will not act as Time Master.
1 = Local Broadcast
- If it doesn't already exist, a BACnet address with network number
and MAC address length both set to zero is added to the controller's
Time
Synchronization Recipients
list found on the driver's
Device
page in i-Vu®. The
controller will then send time broadcasts only to controllers on its ARCnet or MS/TP
network.
2 = Global Broadcast
- If it doesn't already exist, a global address with network number
set to 65535 and MAC address length set to zero is added to the controller's
Time
Synchronization Recipients
list found on the driver's
Device
page in i-Vu®. The
controller will then send time broadcasts to all its connected networks.
Time Sync Interval
- Enter how often local or global time broadcast should be sent (1-9999
minutes). If
Time Sync Interval
is set to zero, no time sync messages are sent.
NOTE
If the controller looks through its Time Synchronization Recipient List and finds an
entry with MAC address length set to zero and network number set to 65535, the
controller's BACnet Time Master mode is set for Global Broadcast. If there is no global
broadcast entry in the recipient list, the controller then looks for a local broadcast address
(MAC address length set to zero and network number set to zero or to the same network
number as the module's). If such an entry is found, the BACnet Time Master mode is set for
Local Broadcast. Otherwise, the mode defaults to Disabled/None.
Equipment Touch Carrier Proprietary and Confidential CARRIER CORPORATION ©2014
Rev. 4/9/2014 All rights reserved
9

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