Essentials of AV Technology AV System Infrastructure. Part One Control Systems. Introduction to Control Systems. Introduction to Control Systems Types of Control Signals Net-Centric Control. Control Systems. Control System: Operation of complex AV systems without technical knowledge .
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Control System: Operation of complex AV systems without technical knowledge
A way for the user to interact with a control system
Typically an "on" or "off" switch.
Voltage ramp generator
Camera pan/tilt head
Optical Infrared: Line of sight
Wired: serial communication
Limit 100 ft (30 m)
RS-232: Unbalanced circuit, easily affected by noise;
DB-9 or DB-25 connector.
RS-422: Balanced circuit; four-wire connection.
RS-485: Balanced circuit; supports 32
Ethernet network capabilities
Direct Current Alternating Current
Power is the rate at which work is done.
amount flowing though drain
Parallel: Voltage remains same, current divides
Wire is a single conductor.
Cable is Multiple insulated conductors
Insulation protects equipment and people
Protect conductors from interference
Jackets provide physical protection for cable.
Affects signal strength
A cross section of a cable shows signal loss as distance increases.
Selects signal(s) from multiple sources to send to a destination
Sends a single signal source to multiple destinations
maintains signal integrity