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Building Management System

A building management system (BMS), otherwise known as a building automation system (BAS), is a computer-based control system installed in buildings that controls and monitors the building's mechanical and electrical equipment such as ventilation, lighting, power systems, fire systems, and security systems.

A BMS consists of software and hardware; the software program, usually configured in a hierarchical manner, can be proprietary, using such protocols as C-Bus, Profibus, and so on. Vendors are also producing a BMS that integrates the use of Internet protocols and open standards such as DeviceNet, SOAP, XML, BACnet, LonWorks and Modbus.



Extra-low voltage (ELV) is an electricity supply voltage in a range which carries a low risk of dangerous electrical shock. There are various standards that define extra-low voltage. The International Electrotechnical Commission member organizations and the UK IET (BS 7671:2008) define an ELV device or circuit as one in which the electrical potential between conductor or electrical conductor and earth(ground) does not exceed 50 V a.c. or 120 V d.c. (ripple free). EU's Low Voltage Directive applies from 50 V a.c. or 75 V d.c.

IEC voltage range AC RMS voltage (V) DC voltage (V) Defining risk
High voltage 1000 1500 Electrical arcing
Low voltage 50 to 1000 120 to 1500 Electrical shock
Extra-low voltage 50 120 Low risk

Types of ELV

  • Separated or safety extra-low voltage (SELV)
  • Protected extra-low voltage (PELV)
  • Functional extra-low voltage (FELV)
  • UK Reduced low voltage (RLV)
  • Stand-alone power systems


Mechanical, electrical and plumbing (MEP) refers to these aspects of building design and construction. In commercial buildings these aspects are often designed by an engineering firm specializing in MEP. MEP design is important for design decision-making, accurate documentation, performance and cost-estimation, construction planning, managing and operating the resulting facility[1]. Building Categorized Revit software is used in MEP.

Out Solutions are customized and articulated to cater specific scenario, we provide simple, cost-effective, and easy-to-use and maintain solution. We have done many such deployments and vast experience helped us build skill set for design & deploy the solution.