Emerson FB1100 Instruction Manual page 45

Figure 2-31: Connecting a Device to COM2 or COM3 Using RS-485 (2-wire)
1
2
3
Regardless of the interface standard (RS-232 or RS-485 2-wire), you must use FBxConnect to
configure the port for proper usage.
Installation
RS-485 port (2-wire) (COM2) on FB device
RS-485 port (2-wire) on external device
RS-485 port (2-wire) (COM3) on FB device
Emerson FB1100 Flow Computer Instruction Manual
D301752X012
August 2020
41