ClimateWorx ProtoNode Start-up Guide
Page 17 of 46
4.3 BACnet MS/TP or Metasys N2 (FPC-N34): W iring Field Port to RS-485
Network
Connect the BACnet MS/TP or Metasys N2 RS-485 network wires to the 3-pin RS-485 connector
on ProtoNode FPC-N34 as shown below in
o
Use standard grounding principles for RS-485 GND
See
for information on connecting to BACnet/IP network.
If the ProtoNode is the last device on the BACnet MS/TP or Metasys N2 trunk, then the
End-Of-Line Termination Switch needs to be enabled (
).
o
The default setting from the factory is OFF (switch position = right side)
o
To enable the EOL Termination, turn the EOL switch ON (switch position = left
side)
4.4 LonW orks (FPC-N35): W iring LonW orks Devices to the LonW orks Terminal
Wire the LonWorks device network to the ProtoNode LonWorks Terminal.
o
Use approved cable per the FT-10 installation guidelines
LonWorks has no polarity.
BMS RS-
485 Wiring
ProtoNode
Pin #
Pin
Assignment
RS-485 +
Pin 1
RS-485 +
RS-485 -
Pin 2
RS-485 -
-
Pin 3
RS-485 GND
Figure 14: RS-485 BMS Network EOL Switch
Figure 13: Connection from ProtoNode to RS-485 Field Network
End-of-Line Switch
G
-
+
Figure 15: LonWorks Terminal
