1. What is a BMS?

 Industry jargon, Terminology and acronyms

 What is a Building Management and Controls System

 BMS suppliers and integrators

 Typical System Components

 Typical User Interface Options

Industry Jargon, Terminology and Acronyms

• Building Management Systems (BMS) also known as Building Automation Systems (BAS), Building Management and Control System (BMCS), Direct Digital Controls (DDC) and Building Controls

• Other terms associated with Control Systems include:

– Supervisory, Control and Data Acquisition (SCADA)

– Programmable Logic Controllers (PLC)

– Energy Management System (EMS)

– Data gathering panels (DGP)

– Modbus, Lonworks, and Bacnet – All refer to communications protocols

– ‘Front End’ – legacy term used to refer to the BMS Operator Workstation

• Most Common Current industry term – – Building Management System (BMS) or – Building Management and Control Systems (BMCS)

What is a Building Management System?

• BMS systems are “Intelligent” microprocessor based controller networks installed to monitor and control a buildings technical systems and services such as air conditioning, ventilation, lighting and hydraulics.

• More specifically they link the functionality of individual pieces of building equipment so that they operate as one complete integrated system.

• Now installed in every major building or facility with the availability of direct integration into all other building services such as security, access control, CCTV, fire, Lifts and other life and safety systems.

• Current generation BMS systems are now based on open communications protocols and are WEB enabled allowing integration of systems from multiple system vendors and access from anywhere in the world.

What Does Intelligent Microprocessor Control Mean?

Typical System Components – BMS Hardware

Typical System Components – Field Devices

2. What Does a BMS Do?

 The role of the BMS in day to day building operation

 Building Control Applications

 Measuring and Monitoring building performance

 Interaction with other building systems

The Day to Day Role of the BMS…

• The most common primary function of the BMS is the control of a buildings Heating, Ventilation and Air Conditioning Systems (HVAC) including;

– Air Handling Units

– Chilled Water Plant

– Cooling Towers

– Tenant Condenser Water

– Heating Water Plant

– Exhaust Systems

– Zone Controls

– Computer Room AC

• Control of Building Systems and Services

• Graphic User Interface (GUI)

• Real Time Monitoring of Building Operation and Performance

• Trending and Logging of Building Operation and Performance

• Time Scheduling of Building Systems

• Fault Management and Alarming

• Control Application Programming

• User Event Management

• Energy Management and Reporting (NABERS)

Building Control Applications

• Building control applications include for following:

– Zone temperature monitoring and control

– Zone Variable Air Volume (VAV) control to zones

– Zone CO2 monitoring and control (Air Quality)

– Air handling unit supply air temperature control

– Air handling unit supply air flow / pressure control

– Main Plant Chiller and Boiler sequencing

– Toilet, car park, kitchen and general exhaust fan control

– After Hours Building Control

3. Benefits of Having a BMS

 The advantages of a BMS versus stand alone control

 Improved Tenant comfort conditions

 Energy Management and reduced operational costs

 Management of building ratings such as NABERS

Advantages of BMS vs Stand Alone Control

• Reduced installation costs

• Flexibility and ease of change

• Customised control strategies

• Scalability

• Operator interaction, feedback and control

• Integration with other building services

Improved Tenant Comfort Conditions

• Real time monitoring of tenant conditions

• Greater load based control strategies

• Trend data of performance, improved fault finding

• Air quality management (CO2)

• After hours operational requests, tenant billing

• Alarm notifications of faults reduce downtime

• Automated change over of failed equipment

Energy Management and Reduce Operational Costs

• Optimal start and stop of plant

• Building warm up and cool down cycles

• Night purge

• Automatic Seasonal plant sequence selection

• Seasonal temperature setting adjustments

• Load based control strategies

• Economy cycle control including CO2

• Equipment runtime monitoring and duty cycling

• Occupancy control and control setback

Management of Building Ratings – NABERS

• Can be integrated with Energy Management System (EMS)

• Real time monitoring of energy performance

• Proactive adjustment not retrospective catch up

• Measurement against load profile targets

• Separation of tenant and base building loads

• Historical trend data for NABERS management

• Energy demand and consumption dashboards

Song Nam Group is the convergence of seasoned managers, a team of engineers who are passionate about technology, enthusiastic, with a sense of responsibility and experience in implementing important projects. scores in the fields of buildings, factories, infrastructure and the environment. With more than 11 years of experience in the market, SONG NAM GROUP is operating under the model of a corporation with 05 key markets: Building Technology, Smart City , Heavy Industry, Environmental Technology – Handling Environmental management, Distribution business.
Please contact us for a free consultation on a suitable and most effective solution

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