Emerson FB1100 - Page 57

FB1100 Flow Computer Instruction Manual
D301752X012
November 2023
Installation 43
Figure 2-29. Connecting a Device to COM2 or COM3 Using RS-485 (2-wire)
1
RS-485 port (2-wire) (COM2) on FB device
2
RS-485 port (2-wire) on external device
3
RS-485 port (2-wire) (COM3) on FB device
Regardless of the interface standard (RS-232 or RS-485 2-wire), you must use FBxConnect
to configure the port for proper usage.