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
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...
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...
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...