Troubleshooting Web Based Controls

Report
Presenter: Ron Auvil
Presentation Outline:
 Introductions and Technological Advances
 Networking And Collaboration
 Network Overview
 Network Software
 Servers
 Wireless Networking
 Diagnostic and Troubleshooting Tools
 Troubleshooting Scenarios (2)
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Graduate of West Side Institute of Technology in Cleveland
Ohio
In HVAC Industry over 37 years
Licensed 3rd Class Stationary Engineer
33 Years Part and Full Time Training Experience, including 16
yrs on Faculty of Community College
Author, ‘HVAC Control Systems’, ‘HVAC and Refrigeration
Systems’, ‘IT for HVAC Technicians’ American Technical
Publishers.
Owner, High Performance Mechanical Training
Technical Contributor Fluke Corporation.
Currently Senior Technician/Trainer with Johnson Controls,
Charlotte, NC
17 Years with JCI as Lead Instructor HVAC and Controls
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Mechanical and control systems are becoming increasingly
more sophisticated.
As a matter of fact, the rate of change technologically is
increasing.
Mechanical systems changes include refrigerants, motor
designs, variable speed drives, magnetic bearings, etc.
Control systems changes include advanced PC/server
applications, impact of web and web enabled devices.
Combined with lack of training the result is…………
Products introduced with no one able to install or service
them? i.e. 750 page server software installation instructions?
Service both NEW and OLD challenges
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Today, Most Commercial HVAC Control Systems are put on a
customer computer network.
What is a Network? A network is a system of nodes and other
devices that are joined using connecting media that provides
the means of data communication between the nodes.
(ITH P#1)
Facility IT and HVAC Technician Collaboration. (ITH P#4)
Understanding the facility IT Staff Role and the HVAC
Technician Role.
Knowledge of terminology, use of tools and troubleshooting
are paramount.
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So, how does this impact our classrooms and what can we do
about it?
Programs, technology, equipment quickly go out of date.
Instructors easily caught behind an increasingly steep
technological curve.
Introduction of basic Information Technology (IT) training into
HVAC programs, especially Controls training classes.
Equipment and computer updates, 3 year cycles at most.
Materials, books, training aids, etc. up to date
Big Task!
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Network Types: LAN/WAN (ITH P#5)
Network Topologies; Star, Bus, Daisy Chain,
etc.
Data Packets, Bandwidth and Throughput.
MAC Addressing; NIC Cards
Media/Cable UTP; Cat 5, 5e, 6. (ITH P#11)
Switches, Routers.
IP Addressing: (ITH P#4)
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Switches, Routers.
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IP Addressing: (ITH P#18)
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Web Based Supervisory Controllers (ITH P#21)
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Client Computers
Operating System: (ITH P#27)
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Other Software:
Java, Windows Dependencies, Browsers;
System Security, Firewalls
Software Troubleshooting Skills
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Server Functions and Sizes (ITH P#36)
 Functions: Passwords, Controller Tools, Long Term Data
Storage, Email, Alarms, Printer, Smartphone/Tablet
interface, SQL.
 Sizes: Small/Large/Virtual
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Software: OS (ITH P #40)
◦ Windows Server OS
◦ SQL
◦ Server Setup and Troubleshooting
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Wireless Router Infrastructure
Wireless Residential Thermostats
Wireless Passwords/Security:
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Correct Wireless Network (ITH P#52)
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Hardware; LED’s on Web Controllers and
Devices (ITH P#56)
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Hardware; DMM and Handheld Meters
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Software: Command Prompt ‘Ping Command’
Other: Tracert, Ipconfig, Netstat, 3rd Party and
vendor Tools (ITH P#60)
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Wrong IP Address (ITH P#69)
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No Customer Access
Ping Unsuccessful
Technician Uses Laptop, Cables, and Switch
Changes Wrong IP address at Web Controller or
Customer Computer.
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No communications between web based
controller and server.
◦ Check server IP Address at Web-Based Controller.
◦ Login and Look for ‘Network’ or ‘Focus’ Tab.
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Any Questions?
Contact Information: Ron Auvil
Email: [email protected]
Cell: (803) 367.3033

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