Emerson FB3000 User Manual

FB3000 RTU Instruction Manual
D301851X012
November 2023
38 Installation
Figure 2-29. Wiring COM4 on the CPU Module for RS-485 (2-wire) and Connecting to
Multiple 4088B Transmitters
1
Enable AC termination using switches on last multi-dropped 4088B transmitter
2
RS-485 bus; twisted pair required
3
Up to ten 4088B transmitters allowed per port; FB3000 only provides power for a
maximum of four transmitters. Any other transmitters require an external power
supply. When communicating with more than six 4088Bs at 9600 baud, update
times exceed once a second
4
Connect cable shields to suitable Instrument Earth connection point
Regardless of the interface standard you must use FBxConnect to configure the port for
proper usage.

Emerson FB3000 Specifications

General

Brand	Emerson
Model	FB3000
Category	Touch terminals
Language	English