Bacnet Ms/Tp; To Set Up The Unit Vent For Bacnet Ms/Tp - United Technologies Carrier Unit Vent Open Integration Manual

Communications wiring

BACnet MS/TP

To set up the Unit Vent for BACnet MS/TP

The Unit Vent's latest supported function codes and capabilities are listed on the associated Protocol
Implementation Conformance Statement (PICS), Carrier BACnet PICS website
http://www.bacnetinternational.net/catalog/index.php?m=28.
NOTE This controller counts as a full load on the MS/TP bus.
Turn off the power for the Unit Vent by disconnecting power terminals.
1
Using the rotary switches, set a unique address. Set the Tens (10's) switch to the tens digit of the address,
2
and set the Ones (1's) switch to the ones digit.
EXAMPLE If the controller's address is 25, point the arrow on the Tens (10's) switch to 2 and the arrow on
the Ones (1's) switch to 5.
0
10's
0
1's
NOTE The Unit Vent recognizes its address only after power has been cycled.
Set communications selector for EIA-485.
3
Set DIP switches 1 and 2 for the appropriate communications speed. See table below.
4
NOTE Use the same baud rate for all devices on the network segment.
Baud Rate
9,600 bps
19.2 kbps
38.4 kbps
76.8 kbps
Set the both DIP switches 3 and 4 OFF for BACnet MS/TP.
5
The following example is set for 38.4 kbps and BACnet MS/TP.
Unit Ventilator
Integration Guide
1 2
Off
Off
On
On
4
Off
On
Off
On
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