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General Overview
The Armfield PCT40 system is designed for use in teaching a wide range of process
control methods. The PCT40 basic unit is used under computer control to
demonstrate a variety of process control loops. Processes such as level control,
temperature control, flow control and pressure control can all be investigated, as can
manual, on/off, proportional and PID control. The software included with the unit
allows the student to change the control parameters and analyse the results from
different configurations.
More advanced aspects of control can be addressed by adding optional extras to the
basic system. The PCT41 expands on the capabilities of the PCT40 with a wider
range of control loops and strategies, including Remote Set Points, dual loops and
Fluid Property Control (using Conductivity as a representative example). All these
loops are under software control.
Other accessories are available, including a pH Probe (PCT42) for use with PCT41,
an Electronic Console (PCT43) with commercial PID controller that allows the PCT40
to be operated directly without the need for a PC, and a Pneumatic Valve Module
(PCT44) for those wishing to implement specialised demonstrations.
PCT40 Basic Process Control Unit with PCT41 Process Vessel Accessory
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