INTEGRATED BUILDING MANAGEMENT SYSTEM
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.
BENEFITS OF BMS
• Effective monitoring and targeting of energy consumption
• Improved plant reliability and life
• Effective response to HVAC-related complaints
• Save time and money during the maintenance.
• Remote Monitoring of the plants (such as AHU's, Fire pumps, plumbing pumps, Electrical supply, STP, WTP, Grey water treatment Plant etc.)
• Improved plant reliability and life
• Effective response to HVAC-related complaints
• Save time and money during the maintenance.
• Remote Monitoring of the plants (such as AHU's, Fire pumps, plumbing pumps, Electrical supply, STP, WTP, Grey water treatment Plant etc.)
Direct digital control (DDC)
Direct digital control (DDC) is the automated control of a condition or process by a digital device (computer). DDC is considered by many to be a more modern, granular and responsive update to older HVAC control systems based upon PLC technologies. In those older PLC based systems, each zone was self-sufficient and contained all of the instrumentation and control elements needed to consider analog and digital inputs and then take actions according to rules.
DDC on the other hand takes a more centralized network-oriented approach. All instrumentation is gathered by various analog and digital converters which use the network to transport these signals to the central controller.
Data communication When DDC controllers are networked together they can share information through a data bus. The control system may speak 'proprietary' or 'open protocol' language to communicate on the data bus. Examples of open protocol language are BACnet (Building Automation Control Network), LON (Echelon) and Modbus.
DDC on the other hand takes a more centralized network-oriented approach. All instrumentation is gathered by various analog and digital converters which use the network to transport these signals to the central controller.
Data communication When DDC controllers are networked together they can share information through a data bus. The control system may speak 'proprietary' or 'open protocol' language to communicate on the data bus. Examples of open protocol language are BACnet (Building Automation Control Network), LON (Echelon) and Modbus.
INTEGRATION
Most of the integration platforms are either a PC or a network appliance. In many cases, the HMI (human machine interface) or SCADA (Supervisory Control And Data Acquisition) are part of it. Integration platform examples, to name only a few, are the Tridium Niagara AX, Trend Controls,TAC Vista, CAN2GO and the Unified Architecture i.e. OPC (Open Connectivity) server technology used when direct connectivity is not possible.