Bacnet Ms/Tp Communication Link; Wiring Guidelines - Trane Tracer Uc

Wiring Installation

BACnet MS/TP Communication Link

This section provides information about the following:
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For more details about BACnet MS/TP communication link, refer to the BACnet MS-TP Wiring and
Link Performance Best Practices and Troubleshooting Guide (BAS-SVX51).
Electrocution and Fire Hazards with Improperly Installed and Grounded
Field Wiring!
Improperly installed/grounded field wiring poses FIRE & ELECTROCUTION hazards. To avoid
these hazards, the user MUST follow requirements for field wiring installation and grounding
as described in NEC and local/state electrical codes. All field wiring MUST be performed by
qualified personnel. Failure to follow these requirements could result in death or serious injury.

Wiring Guidelines

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"Wiring Guidelines"
"Wiring Best Practices, " p. 17
"Setting Up the UC400 Controller on a BACnet Link, " p. 18
"Setting the Address, " p. 18
"BACnet Networks Without a Tracer SC System Controller, " p. 19
"BACnet Networks With a Tracer SC System Controller, " p. 19
"Wiring Requirements, " p. 20
"Connecting the Wires, " p. 20
"Application Wiring, " p. 22
Use 18 AWG Trane purple-shielded communication wire for BACnet installations.
Link limit of 4,000 ft and 60 devices maximum (without a repeater).
Use a Trane BACnet termination on each end of the link.
Use daisy chain topology (refer to
Maintain polarity.
WARNING
Figure 1, p. 17).
VAV-SVX07B-EN