DeltaV System Concepts

The DeltaV system helps users create process control systems that are easy to set up,

easy to operate, consistent, and secure. To accomplish these goals, the DeltaV system

uses the following:

Plug-and-play technology for hardware configuration

A library of reusable control modules to simplify the initial configuration effort

Techniques like drag-and-drop to simplify system configuration and modification

Consistent graphical interface similar to that of the Microsoft Windows operating

environment

Integrated, context-sensitive help and online documentation

Hardware and software approaches to ensure system security and integrity

A Configuration Assistant that steps you through the configuration process,

configuring the system while teaching you the fundamentals

Terminology

Control strategies in the DeltaV system are configured in modules. A module, which

is the smallest logical control entity in the system, contains algorithms, conditions,

alarms, displays, historical information, and other characteristics that define the

process equipment. Algorithms are the logical steps that define how the module

behaves. The DeltaV system provides control, equipment, and unit modules.

Generally, a control module contains one uniquely tagged control entity, such as a

control loop or motor, with its associated logic. Defining a module around a single

field device and its related control logic makes it easy to create, download, operate,

debug, and take a single module out of service without affecting other modules.

Equipment modules coordinate the operation of control modules and other

equipment modules that work together to control related equipment. The algorithm

for the containing equipment module manages the operation of the contained

modules.