Home Glossary

Glossary

In this category we describe the terminology of distributed control systems.

PLC – Programmable Logic Controller

A PLC can handle the binary input and output of the logic statement which are stored in its's memory. In fact, a PLC is a small DCS. The status of the PLC and process...

DCS – Distributed Control System

A DCS is an automated control system that is distributed throughout a machine to provide instructions to different parts of the machine. Each section / part of a machine has its own computer that...
Cold cutover during DCS Migration

Cold cutover

At an early stage of a DCS migration, the question how to switch or cutover from its current (obsolete) DCS to the new DCS is asked. There are two choices that needs to be...
Glossary / Definition

Hot cutover

At the beginning of a DCS migration project, an important choice that has to made is whether the approach will be a cold cutover or a hot cutover. There are two choices that needs...
Glossary / Definition

DCS Maintenance

DCS Maintenance could be defined as: "All actions that are necessary to keep the DCS stay operational in its full functional state as main objective." There are 4 types of DCS maintenance: Breakdown maintenance Preventive maintenance ...

SCADA – Supervisory Control And Data Acquisition

A SCADA system is a application or system utilized for real-time collection of data from one or more remote locations. The collected information is utilized to monitor and manage ongoing processes. SCADA is quite a...

HMI – Human Machine Interface

A HMI (Human Machine Interface) is just like a SCADA a monitoring device which displays the status of the machine. The main difference is that SCADA is a remote monitoring system, where as HMI...