Emerson FB1200 Instruction Manual page 50

Emerson FB1200 Flow Computer Instruction Manual
D301782X012
July 2017
When connecting COM2 or COM3 to an RS-485 port on another device (for example, a
transmitter), use a cable with configurations as shown in
Figure 2-32: Connecting a Device to COM2 or COM3 Using RS-485 – Optional I/O present
44
Figure 2-32:
RS-485 Port
(COM2)
on FB device
RS-485 Port
on external device
RS-485 Port
(COM3)
on FB device
RS-485 Port
on external device
Installation