Emerson FB3000 - Connecting to COM1 (3 CPU16;3 CPUSG)

FB3000 RTU Instruction Manual
D301851X012
November 2023
Installation 29
Figure 2-19. Configuring a Port in FBxConnect
2.10.1 Connecting to COM1 (3CPU16/3CPUSG)
You can configure the COM1 port on the CPU personality module for RS-232, RS-485 (4-
wire), or RS-485 (2-wire) communications.
When connecting COM1 to another device using RS-232, use a cable with configurations
as shown in Figure 2-20:
Figure 2-20. Wiring COM1 on the CPU Module for RS-232
[
1
RS-232 port on device
2
Connect cable shields to suitable Instrument Earth connection point