®

Wire the UCMs

Figure 17. Daisy-chain termination resistor placement

Tracker

termination board TB1

Legend

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

Twisted pair, shielded wire

=

Shield termination

2

=

3

 

per Trane specifications

=

 

 

 

 

=

Shield ground

 

Figure note

 

 

4

 

 

 

 

 

 

=

Termination resistor

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

7

(Last device on the link)

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

Comm5 device

 

 

Comm5 device

 

 

10

 

 

 

 

 

 

 

 

 

 

 

B

A

B

A

 

B

A

B

A

11

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

13

 

 

1

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

14

 

 

 

2

 

 

 

Splice

 

3

15

 

 

 

 

 

 

 

 

 

COMM

Figure Notes:

1105 termination resistor

2Shield must be cut back and taped at last unit controller.

3A continuous shield is required. At each unit controller, splice shield wire and tape back to prevent grounding.

BMTK-SVN01D-EN

35

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Image 43
Trane Building Automation System, BMTK-SVN01D-EN manual Daisy-chain termination resistor placement