Facility Explorer FX16 - Page 19

FX16 Master Controller Technical Bulletin 19
N2 Open Communication Card Connection
The FX16 controller cover displays 1, 2, and 3 as the Supervisory Link
terminals. For the N2 Open Communication Card, the connections to
the RS-485 N2 Bus using the information in Table 2. The connections
are polarity sensitive; therefore, you must make the connections
correctly.
Table 2: RS-485 N2 Bus Connections
Supervisory Link N2 Bus
1
COM
2
RT -
3
RT +
Network Layout
For details about how to lay out the N2 network, refer to the
N2 Communication Bus Technical Bulletin (LIT-636018).