Emerson FB1200 - Page 19

FB1200 Flow Computer Quick Start Guide
D301786X012
November 2023
17
1
RS-485 (2-wire) port (COM1) on FB device
2
RS-485 (2-wire) port on external device
COM2 (unit has optional I/O):
COM2 does have its own GND terminal.
1
RS-232 port (COM2) on FB device
2
RS-232-port on external device