To Wire To A Bacnet Ms/Tp Network; To Wire A Third-Party Device - Carrier TruVu UCXP683T Installation And Startup Manual

To wire to a BACnet MS/TP network

An MS/TP network can be wired to Port S1.
Turn off the TV-UCXP683T's power.
1
Check the communications wiring for shorts and grounds.
2
Connect the communications wiring to Port S1's screw terminals labeled Net +, Net -, and Shield.
3
NOTE Use the same polarity throughout the network segment.
Set Port S1 to MS/TP on the controller setup pages > BACnet tab > Port S1.
4
If the TV-UCXP683T is at either end of a network segment, set the port's End of Net? switch to Yes.
5
NOTE The controller's End of Net switch applies network termination and bias. If the controller is at the end
of a network segment that includes a DIAG485 that has its Bias jumper in the ON position, set the End of
Net? switch to No and connect a 120 ohm termination resistor to the Net+ and Net- terminals. See DIAG485
Technical Instructions for more information.
Turn on the controller's power.
6

To wire a third-party device

BACnet: You can wire a third-party BACnet device to the TV-UCXP683T's Eth0, Eth1 port or Port S1. See the
BACnet Integration Guide for the TV-UCXP683T.
Modbus: You can wire a third-party Modbus master or slave device to Port S1. See Modbus Integration Guide for
the TV-UCXP683T.
TruVu™ UCXP683T
Installation and Start-up Guide
17
Wiring for communications
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