Triangle Tube’s ProtoNode Startup Guide
Page 14 of 40
ProtoCessor
1991 Tarob Court Milpitas, California 95035 USA
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Figure 8: Power and RS-485 Connections
ProtoNode 6 Pin Phoenix connector for RS-485 Devices
•
The 6 pin Phoenix connector is the same for ProtoNode FPC-N34 (BACnet) and FPC-N35 (LonWorks).
•
Pins 1 through 3 are for connecting to each device.
o
Reference the table in
Figure 8
for Prestige and Keystone wiring terminations.
o
Multiple devices should be daisy chain wired to the ProtoNode.
•
Pins 4 through 6 are for power.
Do not connect power
(wait until Section 3.5).
Prestige
Keystone
ProtoNode Pin #
Pin assignment
Modbus A (20) MB1 A / MB2 A
Pin 1
RS-485 +
Modbus B (21) MB1 B / MB2 B
Pin 2
RS-485 -
Modbus G (22)
V- GND
Pin 3
RS-485 GND
Power In (+)
Power In (+)
Pin 4
V +
Power In (-)
Power In (-)
Pin 5
V -
Frame Ground
Frame Ground
Pin 6
FRAME GND
3.2 Device Connections to ProtoNode