Connecting The R1 & R2 Ports; Wiring; Figure 5: R1 & R2 Connection Ports - MSA fieldserver ProtoNode FPC-N54 Startup Manual

3.2 Connecting the R1 & R2 Ports
For the R1 Port only: Switch between RS-485 and RS-232 by moving the number 4 DIP Switch left for
RS-485 and right for RS-232
The R2 Port is RS-485.
Connect to the 3-pin connector(s) as shown below.
The following baud rates are supported on the R1 and R2 Ports:
9600, 19200, 38400, 57600, 76800, 115000
NOTE: Not all baud rates listed are supported by all protocols. Check the specific protocol driver
manual for a list of the supported baud rates.
3.2.1

Wiring

BMS RS-485
NOTE: Use standard grounding principles for GND.
5).
(Figure
Figure 5: R1 & R2 Connection Ports
RS-485
Gateway Pin
Wiring Assignment
RS-485 + TX +
RS-485 - RX -
GND GND
ProtoNode Start-up Guide
Installing the Gateway
RS-232
BMS RS-232 Gateway Pin
Wiring Assignment
RS-232 - TX +
RS-232 + RX -
GND GND
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