Ashrae Journal - November 2008 - B6
cally turn on my office lights and air conditioning” said Paul security system can also trigger the HVAC and lighting systems Bayliss, operations manager for Morguard Investments. “Our to take certain actions, such as fulfilling Bayliss’ dream of turnexisting systems had reached the end of their life. The fire alarm ing on the lights and HVAC. Also, the security system includes system was so old there were only two people in all of Canada closed-circuit TV cameras (CCTV) that are used to monitor areas who were capable of working on it. We needed new systems of particular interest. The cameras generate a standard image that would be more energy efficient, and more cost effective to signal that is easily displayed on a Web page, the graphics for maintain and operate.” Since these systems come from different the web-based BAS include links the user can click to display manufacturers, BACnet was the logical choice for the protocol the CCTV image in a pop-up window. Figure 1 shows a typical floor plan summary, providing the to tie them all together. “We knew we needed a nonproprietary protocol” said Bayliss. user with an easy to read overview of the status of the HVAC, “We wanted one protocol to talk to different pieces of equip- lighting, fire, and security systems within one building. The ment. Our consulting engineers looked at competing protocols column of floor plans on the left indicates the thermal comfort and advised us that BACnet was the best choice.” Other features (temperature deviation from setpoint) of the zones on each floor that were high on Morguard’s priority list were energy man- of the building. Green zones mean the temperature is between agement capabilities, a user-friendly graphical interface, and the heating and cooling setpoints. Yellow and orange zones a Web-based system. This last feature was important because indicate progressively warmer temperatures, and light and dark of the flexibility it provided for their technicians and because it blue indicate cooler zones. Light grey indicates the zone is unwould allow them to give tenants access to appropriate building occupied. The middle column of floor plans shows the status of the lighting controls. White zones show where the lights are on, automation system (BAS) functions in the future. Morguard chose a Web-based BACnet control system made and light gray indicates the lights are off. The rightmost column summarizes the status of the fire by an HVAC controls company to and security systems, with white form the core of their BAS. This indicating everything is operating made sense because the roughly normally. A red zone in any column 5,500 HVAC control points comindicates an alarm condition. prised the largest single system in Figure 2 shows a combined fire the building and because the user and security floor plan for a single interface requirements were more floor. This detailed view shows the sophisticated than the other sysstatus of individual door switches tems. The lighting was controlled and other sensors. It also indicates by another native BACnet system, the location of the CCTV cameras. and the 650 lighting points were Clicking on one of camera icons easily integrated into the BAS will display the CCTV image in using BACnet. Zone lighting and HVAC are normally controlled off Figure 1: Integrated ἀoor plan provides systems overview. a separate window like the one shown in Figure 2. When this the same basic occupancy schedule, which eases the scheduling workload, and they can also operate screen shot was taken a smoke detector and a heat sensor were independently for security lighting, HVAC freeze protection, and placed in a simulated alarm state, causing them to appear in red on the floor plan. This also caused the alarm icon in the upper other special circumstances. The fire system is, by code, an independent stand-alone right-hand corner to turn red, indicating there are active alarms system that does not require use of the BAS for any life-safety in the system. Clicking on this icon would display the alarm warning or control actions. It does, however, communicate log. Additional alarm actions (pop-up window, printout, e-mail, with the BAS via a BACnet gateway. This allows the building etc.) are possible. operators to monitor the status of approximately 2,700 fire As with any project in an existing building, a prime concern system points such as smoke detectors and pull stations through was to disturb the existing occupants as little as possible. This the BAS graphics. The BAS also receives alarms from the fire required much of the work to be done after normal business system, notifies appropriate people of the alarm, and records hours, with careful phasing of work so equipment could be alarms in the BAS log. seamlessly transferred from the old independent systems to the The security system is also a stand-alone system, but in this new integrated system. “I haven’t had any complaints from the case it is integrated into the BAS using a high-level XML/SOAP tenants about noise, interference, dirt found on their desks the interface, essentially a subset of the recently defined BACnet Web next day, etc. That’s the biggest compliment I could give to the services. Like the fire system, this enables system operators to installation crew,” said Bayless. Occasionally, the installation monitor the status of approximately 1,050 security points such crew run into problems where the actual installed equipment as door switches, card access readers, and security cameras. The doesn’t match the as-built drawings, a situation that would not BAS similarly records and alerts people to security alarms. The surprise anyone who has worked on a retrofit project before, integration goes beyond that of the fire system; however, as the but the problems are solved as they arise. B6 B A C n e t ® To d a y | A S u p p l e m e n t t o A S H R A E J o u r n a l November 2008
Ashrae Journal - November 2008
Table of Contents for the Digital Edition of Ashrae Journal - November 2008
Ashrae Journal - November 2008
Contents
Commentary
Industry News
Meetings and Shows
Feature Articles
Reducing Data Center Energy Consumption
Building Sciences
Feature Articles
Sustainable Nature Center
Emerging Technologies
Special Products
Washington Report
Special Supplement: BACnet® Today
BACnet® Goes Green
Seeing the Light with BACnet®
BACnet® on Campus
BACnet® for Net Zero
Analyzing BACnet®
BACnet® at Xerox Campus
BACnet® in Europe
BACnet® for Green Library
BACnet® at the University of Minnesota: Flexibility, Interoperability
InfoCenter
Product Showplace
Classified Advertising
Advertising Index
Ashrae Journal - November 2008 - Ashrae Journal - November 2008
Ashrae Journal - November 2008 - Cover2
Ashrae Journal - November 2008 - 1
Ashrae Journal - November 2008 - 2
Ashrae Journal - November 2008 - Contents
Ashrae Journal - November 2008 - 4
Ashrae Journal - November 2008 - Commentary
Ashrae Journal - November 2008 - 6
Ashrae Journal - November 2008 - Industry News
Ashrae Journal - November 2008 - 8
Ashrae Journal - November 2008 - 9
Ashrae Journal - November 2008 - 10
Ashrae Journal - November 2008 - 11
Ashrae Journal - November 2008 - Meetings and Shows
Ashrae Journal - November 2008 - 13
Ashrae Journal - November 2008 - Reducing Data Center Energy Consumption
Ashrae Journal - November 2008 - 15
Ashrae Journal - November 2008 - 16
Ashrae Journal - November 2008 - 17
Ashrae Journal - November 2008 - 18
Ashrae Journal - November 2008 - 19
Ashrae Journal - November 2008 - 20
Ashrae Journal - November 2008 - 21
Ashrae Journal - November 2008 - 22
Ashrae Journal - November 2008 - 23
Ashrae Journal - November 2008 - 24
Ashrae Journal - November 2008 - 25
Ashrae Journal - November 2008 - 26
Ashrae Journal - November 2008 - 27
Ashrae Journal - November 2008 - Building Sciences
Ashrae Journal - November 2008 - 29
Ashrae Journal - November 2008 - 30
Ashrae Journal - November 2008 - 31
Ashrae Journal - November 2008 - 32
Ashrae Journal - November 2008 - 32a
Ashrae Journal - November 2008 - 32b
Ashrae Journal - November 2008 - 33
Ashrae Journal - November 2008 - 34
Ashrae Journal - November 2008 - 35
Ashrae Journal - November 2008 - 36
Ashrae Journal - November 2008 - 37
Ashrae Journal - November 2008 - Sustainable Nature Center
Ashrae Journal - November 2008 - 39
Ashrae Journal - November 2008 - 40
Ashrae Journal - November 2008 - 41
Ashrae Journal - November 2008 - Emerging Technologies
Ashrae Journal - November 2008 - 43
Ashrae Journal - November 2008 - 44
Ashrae Journal - November 2008 - 45
Ashrae Journal - November 2008 - 46
Ashrae Journal - November 2008 - 47
Ashrae Journal - November 2008 - 48
Ashrae Journal - November 2008 - Special Supplement: BACnet® Today
Ashrae Journal - November 2008 - BCover2
Ashrae Journal - November 2008 - B3
Ashrae Journal - November 2008 - BACnet® Goes Green
Ashrae Journal - November 2008 - B5
Ashrae Journal - November 2008 - B6
Ashrae Journal - November 2008 - B7
Ashrae Journal - November 2008 - B8
Ashrae Journal - November 2008 - B9
Ashrae Journal - November 2008 - Seeing the Light with BACnet®
Ashrae Journal - November 2008 - B11
Ashrae Journal - November 2008 - B12
Ashrae Journal - November 2008 - B13
Ashrae Journal - November 2008 - BACnet® on Campus
Ashrae Journal - November 2008 - B15
Ashrae Journal - November 2008 - B16
Ashrae Journal - November 2008 - B17
Ashrae Journal - November 2008 - B18
Ashrae Journal - November 2008 - B19
Ashrae Journal - November 2008 - BACnet® for Net Zero
Ashrae Journal - November 2008 - B21
Ashrae Journal - November 2008 - B22
Ashrae Journal - November 2008 - B23
Ashrae Journal - November 2008 - Analyzing BACnet®
Ashrae Journal - November 2008 - B25
Ashrae Journal - November 2008 - B26
Ashrae Journal - November 2008 - B27
Ashrae Journal - November 2008 - B28
Ashrae Journal - November 2008 - B29
Ashrae Journal - November 2008 - BACnet® at Xerox Campus
Ashrae Journal - November 2008 - B31
Ashrae Journal - November 2008 - B32
Ashrae Journal - November 2008 - B33
Ashrae Journal - November 2008 - BACnet® in Europe
Ashrae Journal - November 2008 - B35
Ashrae Journal - November 2008 - B36
Ashrae Journal - November 2008 - BACnet® for Green Library
Ashrae Journal - November 2008 - B38
Ashrae Journal - November 2008 - B39
Ashrae Journal - November 2008 - B40
Ashrae Journal - November 2008 - B41
Ashrae Journal - November 2008 - BACnet® at the University of Minnesota: Flexibility, Interoperability
Ashrae Journal - November 2008 - B43
Ashrae Journal - November 2008 - B44
Ashrae Journal - November 2008 - Special Products
Ashrae Journal - November 2008 - Washington Report
Ashrae Journal - November 2008 - 51
Ashrae Journal - November 2008 - 52
Ashrae Journal - November 2008 - 53
Ashrae Journal - November 2008 - InfoCenter
Ashrae Journal - November 2008 - 55
Ashrae Journal - November 2008 - 56
Ashrae Journal - November 2008 - 57
Ashrae Journal - November 2008 - 58
Ashrae Journal - November 2008 - 59
Ashrae Journal - November 2008 - 60
Ashrae Journal - November 2008 - 61
Ashrae Journal - November 2008 - Product Showplace
Ashrae Journal - November 2008 - Classified Advertising
Ashrae Journal - November 2008 - 64
Ashrae Journal - November 2008 - 65
Ashrae Journal - November 2008 - 66
Ashrae Journal - November 2008 - 67
Ashrae Journal - November 2008 - Advertising Index
Ashrae Journal - November 2008 - Cover3
Ashrae Journal - November 2008 - Cover4
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