Emerson FB1100 - Chapter 1: Introduction

Emerson FB1100 Flow Computer Quick Start Guide
D301785X012
March 2019
13
Wiring Communications
DANGER
EXPLOSION HAZARD: Ensure the area in which you perform this operation is non-hazardous.
Performing this operation in a hazardous area could result in an explosion.
Notes
◼ You do not need to add termination resistors; you can configure termination through
software selections in FBxConnect.
◼ You should terminate all shields at chassis ground.
COM1
1
RS-232 port (COM1) on FB device
2
RS-232-port on external device
1
RS-422 port (COM1) on FB device
2
RS-422-port on external device