# Working with Fieldbus, SoftPLC and Acyclic Data Tab

The Fieldbus, Acyclic and SoftPLC are located in the Fieldbus and SoftPLC tab, when a single controller has been selected in the Plant structure .

A fieldbus is a communication link between a factory management system (fieldbus master) and a remote node (fieldbus subordinate).

The Fieldbus and SoftPLC is divided into four sections:

- Overview

- Fieldbus

- SoftPLC

- Acyclic

In this Section

- Fieldbus Overview
- Overview Configuration Tab
- Fieldbus Configuration Tab
- Working with Acyclic Fieldbus Configuration
- SoftPLC Configuration Tab
- Controller Fieldbus