Trane BMTK-SVN01D-EN, Building Automation System manual Tracker

®

Chapter 3 Termination board wiring

Figure 18. Termination resistor placement with a Tracker controller in the middle of the link

										Tracker
										termination boardTB1
										1
Legend										2
=	Twisted pair, shielded wire				=	Shield termination				3
	per Trane specifications				=
=	Shield ground					Figure note				4
										5
=
	Termination resistor									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	COMM
		1								14
			2				Splice	3		15
(Last device on the link)
Comm5 device					Comm5 device
	B	A	B	A		B	A	B	A
		1

2 Splice 3

Figure Notes:

1105 Ω termination resistor

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

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

36 BMTK-SVN01D-EN