Process Control and Instrumentation

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PCT-200
SCADA LevelSCADA Cascade

Process Control and Instrumentation

Key Feature

  • Meeting the demands for Cyber Physical Systems, IoT and Industry 4.0
  • Complete self-contained floor standing unit fitted with wheels for mobility
  • Complete with PLC and SCADA software easily connected to the PC using an Ethernet connection
  • Siemens and Allen Bradley PLCs are available, and others can be supplied on request
  • Clear Tanks and Pipes permit the process in the system to be clearly observed
  • Industrial Instruments, Actuators and Sensors
  • Calibration and Monitoring of Transmitters and Control Valve

 

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Product Description

The PCT-200 Process Control and Instrumentation unit is a fully integrated, fully equipped, self-contained floor standing process control system, representative of industrial process control systems used in many industries such as chemical, oil, food, water, power and other process industries. The PCT-200 is fitted with state-of-the-art intelligent process instruments and actuators networked using Fieldbus technology meeting the requirements for Industry 4.0. The system is available with choice of Fieldbus; PROFIBUS, PROFINET, ETHERNET and others, as required. The unit is supplied with all necessary controllers and software, including PLC, PLC programming software and SCADA software. Siemens and Allen Bradley PLCs are available, and others can be supplied on request.

The PCT-200 can be configured to implement different control strategies for flow and level control using cascade, feed-forward and multi-variable strategies, separate level alarms and process and device temperature monitoring. Control of the system is through SCADA (Supervisory Control and Data Acquisition) software using a PC with an Ethernet connection.

The PCT-200 is fitted with clear tanks, pipes and industrial instruments, actuators and sensors. Labworks cover; Instrument set-up and calibration, actuator elements and characteristics, feedback control systems, fieldbus systems, Ethernet and LAN technology.

Water is pumped around the system using a speed-controlled three-phase pump, controlled by a variable frequency inverter, from a reservoir tank to two process tanks. The pump outflow goes through a venturi-tube providing flow measurement using a differential pressure transmitter. A pressure transmitter is used to measure the discharge pressure from the pump and can be used for experiments on the pump characteristics. Manual ball valves can be set to direct the flow around the system. The level in process tank one can be measured using the differential pressure transmitter, and in process tank two, using the ultrasonic level transmitter. A temperature transmitter is fitted in process tank one for monitoring of the water temperature.

The outlets of process tank one from the reservoir tank goes to process tank two through an electromagnetic flow meter and then to a modulating control valve fitted with a pneumatic positioner. The control valve can be used in conjunction with the flow transmitter for flow control, or in conjunction with the ultrasonic level transmitter for level control in process tank two. A cascade control system can also be implemented by feeding the level controller output as a set-point to the flow controller.