Related products

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  Process Control Eengineering

  Process Control Training Plant

  This training system for process control represents a fully functional process control system. It consists of four individual systems: process module, control console, fault simulator and service module. The actual process module contains the devices and loops for liquid-level, flow rate, temperature and pressure control with all necessary equipment, tanks and vessels, pipes and delay coils, various sensors and pneumatically actuated valves. The system is laid out in a way to represent a realistic part of a plant also found in heavy industry. The control console is equipped with four digital universal industrial controllers and four three-channel chart recorders. The controllers can configured independently as required and can be operated both individually and simultaneously. They all have serial interfaces permitting parameters to be set from a PC and facilitating interfacing with a process control system. The separate console for the fault simulation unit is used to study ten different typical system faults, e.g. sensor failure or cable break. These are activated using switches. Their effect on the system behavior of the system can then be investigated. The service module provides compressed air, hot and cold water for the process module. A process communication system facilitates the central control and monitoring of the system.

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  Process Control Eengineering

  Pressure Control Demonstration Unit

  This training system provides a comprehensive experimental introduction to the fundamentals of process control using an example of pressure control. All components are clearly laid out on a vertical front panel. The large-format process diagram provides an aid to understanding. The controlled system is operated by compressed air, which must be provided by the laboratory. The use of two in-line pressure vessels permits a 2nd order control system to be constructed. Disturbances can be generated by alternate air tapping by way of a hand-operated valve. Both pressure vessels are fitted with manometers. An electronic pressure transducer measures the pressure. The controller used is a state-of-the-art digital industrial controller. The actuator in the control loop is an electro-pneumatic control valve. The controlled variable X and the manipulating variable Y can be tapped as analogue signals at lab jacks. This enables external recording equipment, such as a plotter or an oscilloscope, to be connected.
  An instrumentation and control software with interface module (USB) is available as an accessory. This enables the key process variables to 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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  Process Control Eengineering

  Temperature Control Apparatus with Experimental Panels

  This instructional system is used to examine a simple temperature control unit. It consists of clearly arranged modular experimental panels which are suspended in a frame and connected with cables. A soldering iron equipped with a thermal element is used as the temperature control system. The temperature can be read on a digital display with a measuring transducer. The system includes a digital industrial controller which can be configured continuously as P, PD, PI and PID controller. It is possible to also use it as a two-point controller. The manipulated value can be indicated on a bar diagram. An electronic power control completes the system. The student has the opportunity to get familiar with the components of a control circuit, to interconnect them and vary their parameters. All components are of a sturdy design and therefore well suited for student experiments.

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  Process Control Eengineering

  Fluidised Bed Formation

  Bulk solids can be transformed from a packed bed into a fluidised bed when liquids or gases pass through them. The areas of application of fluidised beds include the drying of solids and a wide variety of chemical processes.Features two transparent test tanks for fluidised bed formation in water and air. A diaphragm pump delivers water from a storage tank into the bottom of the left side test tank. The water flows upwards through a porous sintered-metal plate. On the sintered-metal plate is a bulk solid. If the velocity of the water is less than the so-called fluidisation velocity, the flow merely passes through the packed bed. At higher velocities the bed is loosened to such an extent that individual solid particles are suspended by the fluid. If the velocity is increased further, particles are carried out of the fluidised bed. A filter at the top of the test tank holds these particles back. The water flows back into the storage tank. The right-side test tank is similar in construction to the left-side one. A stream of air generated by a compressor flows through itManometers are mounted on both test tanks to measure the pressure loss. The flow rates are adjusted by way of valves, and can be read from flow meters. The test tanks are removable. This makes it easy to change the bulk solid filling..