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Trane Tracer MP581/AH541 User Manual

Trane Tracer MP581/AH541
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Chapter 5 UCM Wiring and Addressing
112 BMTW-SVN01F-EN
Tracer Remote Station (TRS) Interface
Description
The Tracer remote station (TRS) allows Tracer Summit to monitor and
control inputs and outputs from an existing Tracer 1000 installation. The
TRS interface provides a communication link between each TRS and the
BCU. For specific information about the number of TRSs allowed per
BCU and per communication link, refer to Table 7 on page 46.
Type of Communication Card: Non-Isolated Comm3
Refer to “Non-Isolated Comm3 Card” on page 50.
Wiring Notes
To establish wiring connections between the UCM and the BCU, Trane
requires that you use the communication-link wiring specified in this
manual. For wire selection specifications, see “UCM Communication-
Wire Characteristics” on page 55.
Use fiber-optic modems for building-to-building communication. If fiber
optics are not used, building-to-building communication wiring requires a
Transtector transient protector at each building. You can purchase Tran-
stector protectors through Trane. Contact your local Trane sales office for
details.
To connect communication wiring:
1. Attach one end of the communication-link wiring to TB2-6 and TB2-7
on the BCU. Make certain that the shield is terminated in the proper
location. For the location of TB2, refer to Figure 16 on page 47.
2. Attach the other end of the communication-link wiring to the TRS at
the Channel A Terminator (A+, A-) on TB3. For connection points on
the TRS, see Figure 53 on page 113. Limit the total aggregate length
of the wiring to each communication link to 5,000 ft (1,524 m).
To connect shield:
1. Connect the shield at the BCU (TB2) to provide a drain for RFI/EMI,
and then splice it with other TRS shields at the TRS end.
2. Tape the shield at the last TRS in the chain to prevent any connection
between the shield and ground (see Figure 53 on page 113).
Note:
TRSs cannot coexist with other types of UCMs on the same
communication link. The non-isolated Comm3 link must be
dedicated solely to the TRS interface.
Note:
Observe the polarity throughout communication links.

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Trane Tracer MP581/AH541 Specifications

General IconGeneral
BrandTrane
ModelTracer MP581/AH541
CategoryControl Systems
LanguageEnglish

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