making choices: control system size and scope - … choices: control system size and scope karl...
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![Page 1: Making Choices: Control System Size and Scope - … Choices: Control System Size and Scope Karl Rosenberg Regional Applications Specialist – Extron Electronics](https://reader031.vdocuments.site/reader031/viewer/2022022513/5aef8ddd7f8b9aa9168cc51e/html5/thumbnails/1.jpg)
Making Choices:Control System Size and Scope
Karl RosenbergRegional Applications Specialist – Extron Electronics
![Page 2: Making Choices: Control System Size and Scope - … Choices: Control System Size and Scope Karl Rosenberg Regional Applications Specialist – Extron Electronics](https://reader031.vdocuments.site/reader031/viewer/2022022513/5aef8ddd7f8b9aa9168cc51e/html5/thumbnails/2.jpg)
Introduction
• Control Technology• Ease of Use• Cost Concerns• Types of Room Controllers• Control System Design
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Questions to Ask
• Who is going to control the AV equipment?• Who is going to maintain the AV equipment?• What needs to be controlled?• How can we simplify control?• What are the goals and approaches of control system design?
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Huddle Rooms
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Classrooms
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Boardrooms
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Lecture Halls
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Control Technology
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Control Technology
Wireless Wired
• Relay• Contact Closure• Digital Input• Digital Output• Analog Input• RS-232• RS-422• RS-485• TCP/IP
• Infrared - IR• Radio Frequency - RF• TCP/IP - WiFi
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Control Technology: Relay - Operation
• Relay is used to complete a circuit controlling a screen
UP
DOWN
Relay
110 VAC
24 VDC Motorized Screen
Low Voltage Controller(screen control interface)
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Control Technology: RS-232
• Serial standard used for hardwired communication• Unbalanced transmission standard
• Because it is unbalanced, it is susceptible to interference
Tx and Rx signals are referenced to ground
RS-232
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TCP/IPCommunication Over the Network
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• TCP/IP – Transmission Control Protocol/Internet Protocol• TCP/IP are protocols that support communication over a network
• Industry Standard: Telnet (port 23) and HTTP (port 80)
RS-232Telnet & HTTP
Network
Control Technology
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• Examples of what the control ports might be used for
RS-232 Control OR
OR UsingMLS/RS-232 Control
Digital InputOR
IR & Control Modules
3 IR or RS-232 Control / /
6 RelaysOR OR
Control Technology: Control Ports
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Ease of Use
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• The most successful control systems achieve two primary goals:• Intuitive user interface• Easy-to-use configuration environment
Ease of Use: Primary Goals
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• System user goals• Deliver the best user experience• Users’ experience becomes
perceived value• Control system design approach
• Design systems that satisfy user goals• Create consistent systems that are
easy to operate and maintain
Ease of Use: Goal and Approach - User Satisfaction
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• Design intuitive user interfaces• Utilize custom configuration to deliver consistent, easy to operate
systems from simple to complex
Results vary when proven design principles are not applied
Ease of Use: How to Achieve System Design Goals
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A Balancing Act
Competing Demands in Control System Design
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BUDGET
SYSTEMDESIGN
DESIGN
AESTHETIC RELIABILITY
Competing Demands in System Designs
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• Clients who have a low budget need the best solution for their dollar• Designer Challenge: Design a system that meets the need and
stays within budget• System Solution:
• Make client aware of system limitations• Prioritize where the dollars should be spent• Develop system based around priorities
Competing Demands: Budget
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• A feature-rich system solution that incorporates maximum functionality – budget considerations are minimal
• Designer Challenge: Keeping from going overboard by putting too much into the system
• System Solution:• Address all clients goals• Include flexibility• Build in extensibility
Competing Demands: Design
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• The best-looking solution, considering both environmental integration and GUI design
• Designer Challenge: Not get caught up in aesthetics without providing system functionality
• System Solution:• Design aesthetic is top priority• Incorporate functionality & flexibility• Consider special aesthetic need:
• High-tech look and feel• Visible components and UI blend
into surrounding environment
Competing Demands: Aesthetics
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Competing Demands: Reliability
• Critical operations systems require maximum “up time”• Designer Challenge: Create a system with maximum reliability,
while providing the ability to get systems back online with minimal effort
• System Solution:• Place system reliability as
top priority• Design simple configurations• Place high-priority on an
intuitive user interface
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Types of Room Controllers
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• When to use button panels vs. touchpanels comes down to two basic questions:• What is the best location for the
control interface?• What does the client want to
accomplish from that location?
• Budget must be factored in
Types of Room ControllersButton Panel Controllers vs. Touchpanels
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• Ideal for applications that have limited functionality• More cost-effective solution• Example: Room entry locations and podiums that require basic AV
functionality plus lighting and shade control
Types of Room ControllersChoosing a Control Interface: Button Panels
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• Ideal for applications that require more functionality• Perfect for larger systems requiring interactive feedback• Effective use of graphics provides a more aesthetically pleasing
interface and can be used for corporate branding
Types of Room ControllersChoosing a Control Interface: Touchpanels
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• Desktop and laptop PCs are now being used as control devices• Tablets and smartphones are
playing a larger role as additional or primary points of control
• Third-party touchscreens
Home
Types of Room Controllers Additional Points of Control
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Interface Type Description User Interface
• The main control interface• Each primary interface can be unique• Configured independently for the application
• Same product family, uses the identical graphical layout• Follows the operation of the primary user interface• May be used for redundancy
• Physically different than the primary user interface• Uses the same graphical layout of the primary • Follows the operation of the primary user interface
Primary
Mirror
Secondary
Types of Interfaces
Types of Room Controllers
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Control System Design
From Simple to Complex
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• Single room control• Can vary from simple to complex• Depends on size and scope of room – conference room, huddle room,
classroom, lecture hall• Collaboration systems – BYOD
• Flexible source requirements• Available as a turn-key system or
designed from scratch
Control System Design: Single Room and Collaboration Systems
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Huddle Room
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Button Panel Controller
Volume Control Module Audio Power Amp
Motorized Screen
Satellite Receiver
Laptop PC
Desktop PC
Projector with Switched Audio Output
Audio and Video
Audio and Video
Video
Audio
AudioAudio
RS-232 Audio Control RS-232
Screen RelayRS-232DisplayControl
Single Room Application 1
Surface Mount Speakers
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TCP/IPNetwork
CATx
CATx
CATx
Relay
HDMI
RS-232RS-232 HDMI
Ethernet
Ethernet
Wireless
AudioAudio
Motorized Screen
ProjectorFlat Panel Display
iPad – Secondary Control
TouchpanelMatrix Switcher
Switcher
Twisted PairReceiver
Twisted PairReceiver
In-RoomSpeakers
Microphones
INPUTS
LocalMonitor
HDMI
Media Player
Blu-ray Player
Laptop
HDMI HDMI HDMI
Single Room Application 2
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Lecture Auditorium
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Secondary controller – iPad – provides mobility and access to different systems
iPad
Touchpanel
Collaboration Application - ALC
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Control System Design: Multi-Room and Enterprise Systems
• Systems created for these environments have many design requirements• Complex control planning and design• Multiple control processors• Advanced configuration
• Other considerations include:• Control programming• Network security
protocol support • Building control
management
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Divisible Room Application
TCP/IPNetwork
TCP/IPNetwork
RS-232
Room ARoom A
Room BRoom B
HDMI
HDMI
HDMI
HDMI
HDMI
HDMI
HDMI
HDMI
HDMI
HDMI
HDMI
RS-232
RS-232
RS-232
Touchpanel Controller
Display 4
Display 3
Display 1
Display 2
IR
Touchpanel ControllerDoc Cam
Media Player
Laptop
Laptop
PC
Tele-Conference
Satellite( Air Wall )( Air Wall )
Ethernet
Ethernet
Ethernet
Ethernet
EthernetEthernet
Control Processor
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Primary
Primary Controller
Master Panel
Primary Panel
Primary Panel
Primary Panel
Primary Panel
Multi-Room Application • Group multiple controllers to simplify device location and expand port capabilities for larger AV systems
• Each panel provides independent room control• Separate GUI per panel• Master panel provides access to all four rooms via
Controller Grouping
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• Design using a scalable, repeatable standard• Customizable AV, but not custom• Minimize number of variables
within the enterprise• Understand connectivity and infrastructure
plan to allow for interoperability and future-proofing
Control System Design - Enterprise Design Strategies
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Open Discussion
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Making Choices:Control System Size and Scope
Karl RosenbergRegional Applications Specialist – Extron Electronics