Wiring Field Port To Rs-485 Serial Network; Figure 7: Connection From Protoair To Rs-485 Field Network - Siemens ProtoAir FPA-W44 Startup Manual
For interfacing siemens products: fc410, mag6000, mass6000, fst030, to building automation systems and smc cloud: bacnet ms/tp, bacnet/ip, modbus tcp/ip and ethernet/ip
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4.2
Wiring Field Port to RS-485 Serial Network
•
Connect the RS-485 network wires to the 3-pin RS-485 connector on the R2 port.
o
Use standard grounding principles for RS-485 GND
•
See Section
5
for information on connecting to an Ethernet network.
BMS
Wiring
RS-485 +
RS-485 -
-
ProtoAir
Pin
Pin #
Assignment
Pin 1
RS-485 +
Pin 2
RS-485 -
Pin 3
RS-485 GND
Figure 7: Connection from ProtoAir to RS-485 Field Network
Page 12 of 66
Siemens ProtoAir Start-up Guide
(Figure
-
G
7)
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