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Control Systems
Direct Digital Control systems for HVAC use a centralised computer
network to control and manage energy and perform system diagnostic
functions. A DDC Energy Monitoring and Control System (EMCS)
accepts analogue, discrete, and digital input from remote sensors
and devices, processes the data, and then controls remote mechanical
equipment. These can replace conventional pneumatic or electromechanical
HVAC control systems and have the advantage of providing more
accurate control because it reduces the drift, maintenance and
recalibration problems common with pneumatic control systems.
Quality control, production, research, and maintenance will
all benefit from the increased information flow when it is properly
managed.
The overall impact of a DDC system upon the energy efficiency
of a research laboratory is considerable and includes a broad
range of positive benefits. Some impacts have a direct energy
influence, e.g., precise temperature control, while others have
indirect energy consequences, e.g., consumption reporting.
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Digital Control
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