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Pressure Control Trainer- Engineering Lab Training Systems.
Technical Description
This teaching and training system
provides a comprehensive experimental introduction to the fundamentals
of process control using an example of pressure control. The air
pressure control system is a 2nd order system. It comprises
two in-line pressure vessels interconnected by a restrictor valve. An
additional valve on the second tank makes air tapping possible and so
can be used to simulate a disturbance variable. A pressure transducer
mesaures the pressure in the second vessel. The controller used is a
state-of-the-art digital industrial controller. The actuator in the loop
is a pneumatically operated control valve with a standardised current
signal input.
The controlled variable X and the manipulating
variable Y are plotted directly on an integrated 2-channel line
recorder. Alternatively, the variables can be tapped as analogue signals
at lab jacks on the switch cabinet. This enables external recording
equipment, such as an oscilloscope or a flatbed plotter, to be
connected.
A process control software is optionally available. The
software permits the construction of a complete networked system
comprising multiple trainers from the series. The key process variables
can also be represented, and control functions executed.
The
well-structured instructional material outlines the technological
fundamentals and provides a step-by-step guide through the experiments.
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