నైరూప్య

PLC application in automated Building Management System

Sridhar Raja .D, Suresh Kumar

Automation in buildings began long before recorded time, with the help of microprocessors. The use of dedicated software for safety and control applications began with the technological advancement in the field of PLC. With the advent of newer technologies, situations have turned around a lot and the need to view the live Process in a system, within a control has become essential. The technological advancements over the last decades have led to the combined use of PLC with SCADA. The controlling unit in building management system automation is a PLC. Every device in an installation is connected to the PLC. When a user wants to interact with a system an operator terminal, which is attached to a cabinet where the PLC is installed, is used. With this solution the user needs to be in front of the cabinet to interact with the system.