1. Gridlogix, Inc. Case Studies www.gridlogix.com XML Symposium Anaheim, CA January 27, 2004 XML Web Services Case Studies in the HVAC Industry Tim Huneycutt, VP Application Engineering Gridlogix, Inc.

2. Gridlogix, Inc. Case Studies www.gridlogix.com Case #1: Facility Management Integration Consulting company uses XML Web Services to add monitoring and control of HVAC systems to existing enterprise facility management software.

3. Gridlogix, Inc. Case Studies www.gridlogix.com Solution Overview Company: C. H. Guernsey & Company Company Profile: With 75 years of experience and nine offices, C. H. Guernsey & Company offers quality engineering, architectural and consulting services to clients worldwide.

4. Gridlogix, Inc. Case Studies www.gridlogix.com Solution Overview Business Situation: –Provide fully integrated Facility Management (FM) software solution –Existing FM system must be able to monitor and control HVAC and other facility systems –Must support centralized management of remote facilities –Must support many protocols not compatible with integration environmentSolution: Using the Gridlogix EnNET® XML Web Service, developers will avoid direct integration with multiple automation system protocols and will quickly incorporate HVAC control networks into QUIC-FM™ - Guernsey’s existing FM solution.Benefits: –Developers avoid direct interaction with automation protocols –“Web & IT focused” integration standards; WSDL, SOAP, XML, HTTP –Plug-n-play XML Web Service interface guarantees speed to market –Standard web service interface allows “re-use” of application code on many automaton systems – “one-off” integration jobs not required

5. Gridlogix, Inc. Case Studies www.gridlogix.com MP581 #1 First Floor FCU Controls TRANE™Tracer Summit Integrated Comfort System Architecture Trane BCU COMM 5 MP581 #2 Second Floor FCU Controls MP581 #3 Third Floor FCU Controls MP581 #4 MAU-1 MP581 #5 MAU-2 MP503 #1 Panel 1 Zone Sensors MP503 #2 Panel 2 Zone Sensors MP581 #6 Chiller 1 MP581 #7 Chiller 2 MP503 #3 Lighting & Chilled Water Pump 1 & 2 Control Initial Deployment: C.H. Guernsey Corporate Offices

6. Gridlogix, Inc. Case Studies www.gridlogix.com XML Web Service System Integration Using XML Web Services Facility Management System: QUIC-FM™ QUIC-FM™ User Interface EnNET® XML Web Service Server TRANE™Tracer Summit Integrated Comfort System Native BACnet/IP Note: For simplicity, other automation systems not shown. HVAC System BCU-1 COMM 5

7. Gridlogix, Inc. Case Studies www.gridlogix.com SOAP Messages via XML Standardized Interface Via Web Services Description Language (WSDL) EnNET® XML Web Service Server ProtocolProtocol WSDLWSDL Automation Protocol Any XML Web Service Client Application

8. Gridlogix, Inc. Case Studies www.gridlogix.com EnNET Explorer is a web service client application created to “explore” the connected automation system’s objects and properties. This example shows a TRANE ™ BCU connected at IP address 10.0.31.2. The 1 st Floor Fan Coil Unit Center Temperature (72 degrees) is highlighted.

9. Gridlogix, Inc. Case Studies www.gridlogix.com Guernsey’s QUIC-FM ™ Facility Management System benefits from easy access to the entire TRANE ™ Tracer Summit system.

10. Gridlogix, Inc. Case Studies www.gridlogix.com Every detail of the automation system is reflected by the web service. (even misspelled words: Atrium Litghs)

11. Gridlogix, Inc. Case Studies www.gridlogix.com Case #2: Home Automation Integration Automation Integrator uses XML Web Services to add monitoring and control of HVAC systems to home automation system.

12. Gridlogix, Inc. Case Studies www.gridlogix.com Solution Overview Company: Start-up company introducing a fully integrated home network, control and monitoring system. Company Profile: Supplies system integration and common user interface for managing disparate home automation systems; including HVAC, Audio/Video, Lighting and Security.

13. Gridlogix, Inc. Case Studies www.gridlogix.com Solution Overview Business Situation: –Provide fully integrated home automation system and wireless user interface –35,000 sq. ft. home - 30 HVAC temperature zones –HVAC - Johnson Controls Inc. N30 Supervisory Controller™ –Integrated solution developed using Microsoft ® Visual Studio.Net –BACnet™ protocol not compatible with integration environmentSolution: Using the Gridlogix EnNET® XML Web Service, the integrator avoided direct integration with BACnet™ and quickly incorporated the HVAC control network into the total home automation solution.Benefits: –System developers avoided direct interaction with BACnet (no learning curve) –Robust “two-way” integration supported the required customer experience –Plug-n-play XML Web Service interface guaranteed speed to market –Standard web service interface allows “re-use” of application code on other systems – not just HVAC, not just JCI, not just BACnet.

14. Gridlogix, Inc. Case Studies www.gridlogix.com XML Web Service Solution Overview Home Automation Server User Interface Wi-Fi Enabled Pocket PC™ EnNET® XML Web Service Server Johnson Controls N30 Supervisory Controller™ Native BACnet/IP Note: For simplicity, other automation systems not shown. HVAC System

15. Gridlogix, Inc. Case Studies www.gridlogix.com Summary XML Web Services Benefits: –Client applications avoid direct interaction with automation protocols –“IT focused” integration standards; WSDL, SOAP, XML, HTTP –Plug-n-play XML Web Service interface guarantees speed to market –Standards support remote service providers, remote diagnostics, etc. –Standard WSDL interface allows “re-use” of application code on many automaton systems – “one-off” integration jobs not required Web Services Server Enhanced Capabilities: –On-board Logging –Alarming and Report-by-Exception –Schedules and Calendars –Client/User Authorization –Protocol Conversion

16. Gridlogix, Inc. Case Studies www.gridlogix.com Gridlogix, Inc. 9056 Watson Rd. St. Louis, MO 63126 Toll Free Telephone: +1.866.903.6638 www.gridlogix.com www.gridlogix.com © 2004 Gridlogix, Inc. All Rights Reserved. EnNET is a registered trademark of Gridlogix, Inc. All other company and product names are trademarks of their respective companies.