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Figure 3: bacnet ms/tp wiring diagram, Nh-el bacnet ms/tp connection – Nortec BACnet User Manual

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BACnet & LONWORKS Supplemental Install Manual | 6

Figure 3: BACnet MS/TP Wiring Diagram

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BACnet MS/TP Port

NET
NET
COMMON

(-)

( )

+

NH-EL BACnet MS/TP Connection

External wiring ‘by others’
RS-485 cable recommended:
-18-24 AWG stranded
-Twisted pair, Shielded
-120 Ohm impedance
-Terminate shield at one end only

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