Intelligent Buildings & Smart Estates

Glyn CashEngineering Systems EngineerLeeds Metropolitan University

Introduction to Building Systems

• Intro• History • DDC• Supervisors, Proprietary• Networks• Proprietary

Estates Building Systems• Fire & Emergency Systems• BMS (Building Management Systems)• Lifts• HVAC • Metering & Energy• Lighting• Access Control• Intruder• Leak Detection• Water Supply• CCTV• Power Management / Distribution• UPS• Digital Signage• Parking Control

Systems Architecture

Supervisory & Monitoring

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Control (Primary)

Automation (Secondary)

Sensors / Thermostats / Valves & Actuators/ Meters / Invertors

KNX

C-BusDALIModbusM-Bus

LONworks

BACnet

Web

Network Topology

Protocols

• Open Protocols• BACnet (HVAC)• LonWorks (BAS)• DALI (Lighting)• Modbus (Power)• OPC (Industrial Control)• Web / Ethernet• SNMP (MIB)• M-Bus (Meters)• ZigBee* (wireless)

• Propriety Protocols• Trend (BMS)• Eltek (Power)• Protec (Fire)• DyNet (Lighting)• Galaxy (Intruder)• APC (UPS)• CCNDP2 (Chillers)• EverBlu (wireless)

Current State Of Building Systems

• Legacy Systems• Proprietary Protocol• Serial Comms• Gateways / Routers• Application Specific• Dedicated networks

• Intelligent Systems• Open Protocol• Embedded• IP Based• Web Servers• Smart Devices

Problems Encountered

• Security – firewalls, routers, virus, ports, SMTP relays, RDP, VPN, SNMP MIB, LDAP.

• Construction – Networks• Them and us, pc’s, ad-hoc connections• Systems reliance, HV shutdowns, • IT knowledge

Systems Integration

The Future..

• Wireless Communications• The 4th Utility – The Buildings IP Network• Connection to the enterprise• ‘Plug & Play’• Remote Monitoring• Cloud Services

Le Fin

• Questions?