Bacnet Ms/Tp Or Metasys N2 (Fpc-N34): Wiring Field Port To Rs-485 Network; Lonworks (Fpc-N35): Wiring Field Port To Lonworks Network; Figure 11: Connection From Protonode To Rs-485 Field Network; Figure 12: Rs-485 Eol Switch - FieldServer Protocessor ProtoNode FPC-N34 Startup Manual

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3.3

BACnet MS/TP or Metasys N2 (FPC-N34): Wiring 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
See Section 4 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
BMS RS-485
Wiring
RS-485 +
RS-485 -
-
3.4

LonWorks (FPC-N35): Wiring Field Port to LonWorks Network

Connect ProtoNode to the field network with the LonWorks terminal using a twisted pair non-shielded
cable. LonWorks has no polarity.
ProtoCessor 1991 Tarob Court Milpitas, California 95035 USA Web: www.protocessor.com
Figure
(Figure
ProtoNode
Pin
Pin #
Assignment
Pin 1
RS-485 +
Pin 2
RS-485 -
Pin 3
RS-485 GND

Figure 11: Connection from ProtoNode to RS-485 Field Network

Figure 12: RS-485 EOL Switch

Figure 13: LonWorks Terminal

Email: support@protocessor.com
11.
12). It is disabled by default.
+
-
G
End-of-Line Switch
Page 17 of 40

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