Emerson FB1200 - Page 20

FB1200 Flow Computer Quick Start Guide
D301786X012
November 2023
18
1
RS-485 (2-wire) port (COM2) on FB device
2
RS-485 (2-wire) port on external device
COM2 (Unit does not have optional I/O):
COM2 does not have its own GND terminal. Use either GND terminal on the COM1
terminal block.
1
RS-232 port (COM2) on FB device
2
RS-232-port on external device