Flow, Level, Pressure and Temperature Regulation for Process Control

The Flow, Level, Pressure and Temperature Regulation for Process Control, to study the fundamentals of process control systems, the behavior and configuration of the devices involved, as well as the design of the control strategies that regulate them.

ATENG 12658 — Flow, Level, Pressure and Temperature Regulation for Process Control

• “ATENG 12658” is available in two versions: the “FLPTU/MOD” and “FLPTU/COM”, both of them contains the same components and allows to
  perform the same practical exercises but the “FLPTU/MOD” version is divided in small structures or modules depending on its function
  inside the unit, and the “FLPTU/COM” version contains all the components together.
• The elements included in the “ATENG 12658” are:
• Area highlighted in green in the diagram:
• CWS. Cold Water Supply and Recirculation Unit.
• Plastic tank:
• Capacity: 140 l (37 gal).
• Safety low level switch:
  Normally open switch.
  Cooling circuit.
• Temperature gauge:
• Measuring range: 0 – 60 °C (32 – 140 °F).
• Resolution: 1 °C (2 °F).
  Drain valve.
• Centrifugal pump:
• Supply voltage: 230 VAC three-phase.
• Nominal power: 375 W.
• Rated flow: 0 – 30 l/min (7.92 gpm).
• Max operating pressure: 2 bar (29 psi).
  Check valve.
• N-FI/0.6kW. 0.6kW Variable-Frequency Driver Module.
• Supply voltage: 230 VAC single-phase.
• Variable-frequency drive:
• Output voltage: 230 VAC three-phase.
• Max power: 600 W.
• Input control signal: 4 – 20 mA. N-FI/0.6kW
  Safety stop input for low level switch.
  Local/remote control selector.
  Start/Stop selector.
• Area highlighted in blue in the diagram:
• PCV. Pneumatic Control Valve.
• Pneumatic control valve:
  Normally closed valve.
  Linear plug.
• Current to pressure converter: 4 – 20 mA I/P converter.
• Control signals: 0.207 – 1.034 bar (3 – 15 psi).
• Pressurized air inlet required: at least 2.5 bar (36.26 psi).
• Operating temperature range: -20 – +70 °C (-4 – 158 °F).
• Max operating pressure: 2.5 bar (35 psi).
• Actuator: diaphragm type.
  DN 15.
• Flow rate:
• Kv: 2.9 (referenced to m³/h and bar units).
• Cv: 3.4 (referenced to USGPM and psi units).
• Air filter and pressure regulator with pressure gauge:
• Air pressure inlet admitted range: 0 – 12 bar (0 – 174.05 psi).
• Output pressure: 2.5 bar (35 psi).
• Drain capacity: 12 cm³ (0.91 in3).
• Filtration: 5µm (0.197 mil).
• Two pressure gauge:
• Pressure range: 0 – 35 psi (0 – 2.5 bar).
• Resolution: 2 psi (0.125 bar).
  Bypass ball valve.
  4

Specifications

• Area highlighted in gray in the diagram:
• FMC. Flow Measurement and Comparison Unit (Mechatronic Piston and Hall-Effect Vanes).
  Transmisor de caudal de palas.
• Supply voltage: 24 VDC.
• Flow range: 2 – 20 l/min (0.528 – 5.283 gpm).
• Output signal range: 15 – 180 Hz.
  Ultrasonic level transmitter.
• Supply voltage: 24 VDC.
• Flow range: 0.5–25 l/min (0.132–6.6 gpm).
• Output signal range: 4–20 mA.
  Red or green backlight depending on the measured flow rate.
  Four-digit LED display.
• Accuracy: ± (4% MW + 1% MEW); Q > 0.5 l/min (0.132 gpm).
• Repeatability: ± 1% MW.
• Response time: 0.01 s.
• N-SEN52. Paddlewheel Flowmeter Module with Current and Frequency Output.
  Electronic conditioning of the variable frequency signal from the blade sensor to a 4–20 mA
  signal.
• Area highlighted in yellow in the diagram:
• PHE. Study and Control of Pressure and Level in Transparent Pressurized Tank Unit.
  N-SEN52
• Heat exchanger:
  Two circuits.
• Type: plate heat exchanger.
  Ball valve.
• Ball valve with scale:
  Metering ball valve.
  Scale from 90° (closed) to 0° (open).
• Two analog flow meters:
• Flow range: 2 – 10 l/min (0.528 – 5.283 gpm).
• Resolution: 0.25 l/min (0.066 gpm)
• Four temperature gauges:
• Temperature range: 0 – 60 °C (32 – 140 °F).
• Resolution: 1 °C (2 °F).
• Area highlighted in purple in the diagram:
• HWS. Hot Water Recirculation and Supply Unit.
• Circulation pump:
• Supply voltage: 230 VAC single-phase.
• Nominal power: 103 W.
• Operating temperature range: 2 – 110 °C (35.6 – 230 °F).
• Safety relief valve:
• Pressure setting: 3 bar (43.5 psi).
  Discharge line.
  Additional manual opening system.
• Safety pressure gauge:
• Pressure range: 0 – 6 bar (0 – 87 psi).
• Resolution: 0.2 bar (2.9 psi).
  Automatic air vent valve.
• Expansion tank:
• Capacity: 5 l (1.32 gal).
• Temperature: 10 – 100 °C (50 – 212 °F).
• Max. operating pressure: 5 bar (72.52 psi).
• Ball valve with scale:
  Metering ball valve.
  Scale from 90° (closed) to 0° (open).
  5

Specifications

• Area highlighted in pink in the diagram:
• EH/2kW. 2 kW Electric Heating Unit.
• Supply voltage: 24 VDC.
• Transducer type: Pt-1000.
• Temperature range: -30 – 150 °C (-22 – 302 °F).
• Accuracy: ± 0.2 %.
• Heating element:
• Supply voltage: 230 VAC single-phase.
• Max power: 2 kW.
  Safety temperature switch.
• Safety temperature transmitter:
• Transducer type: thermocouple “J” type.
• Temperature range: -100 – 900 °C (-148 – 1652 °F).
• Accuracy: ± 1 °C.
• Safety low level switch:
  Normally open switch.
• N-H/2kW. 2 kW Heating Module.
• Supply voltage: 230 VAC single-phase.
• 2 kW power control driver:
  Based on Solid State Relay (SSR).
  4 – 20 mA electric control signal. N-H-2K
  Linear response of the delivered power.
• Safety temperature controller:
  On/Off control.
• Set temperature: 65 °C (149 °F).
  Safety stop input for low level switch.
• Area highlighted in red in the diagram:
• PLPT. Study and Control of Pressure and Level in Transparent Pressurized Tank Unit.
• Pressurized tank:
• Max pressure: 4 bar (58.015 psi).
• Height: 750 mm (29.52 in).
• Diameter: 140 mm (5.51 in).
• Volume: 11.5 l (3.08 gal).
• Height with millimeter scale: 550 mm (21.65 in).
• Safety relief valve:
• Pressure setting: 2 bar (29 psi).
  Discharge line.
  Three ball valves.
• Ball valve with scale:
  Metering ball valve.
  Scale from 90° (closed) to 0° (open).
• Safety pressure gauge:
• Pressure range: 0 – 6 bar (87.022 psi).
• Resolution: ±0.2 bar (2.9 psi).
• Pressure gauge:
• Pressure range: 0 – 2.5 bar (0 – 35 psi).
• Resolution: 0.125 bar (±2 psi).
  6

Specifications

• Power supply, control, measurement, and data recording block of the system:
• N-ALI20. Power Supply Module for Control Circuits Module.
• Supply voltage: 230 VAC single-phase.
  Differential magneto-thermal circuit breaker.
  Emergency stop pushbutton.
  ON/OFF removable key.
  Two power strips to power supply the other modules of the unit.
  N-ALI20
• N-IC-SL. Single Loop Industrial Controller Module.
• Supply voltage: 230 VAC single-phase.
• Display: Full-color 5.5 cm (2.2 in), ¼ VGA TFT, 1/8 DIN LCD with built-in backlight.
• Control parameters:
• Control type:
  On/Off control.
  N-IC-SL
  P, PI, PID control.
• Control output:
  Analog output.
  Time proportioning.
  On / Off.
  Split output with combinations of relay, digital output and current outputs.
• Autotune function:
  On-demand calculation of control settings.
• Set points:
• Local:
  Configurable via front panel.
• Math functions:
• Number: 8 blocks.
• Operators:
  +, –, x, /.
  Average, maximum, minimum.
  High / low / median select.
  Square root.
  Multiplexer.
• Logic functions:
• Number: 8.
• Element per equation: up to 15.
• Operators: OR, AND, NOR, NAND, NOT, EXOR.
• Process alarms:
• Number: 8 blocks.
• Types: high / low process and high / low latch.
• Acknowledgement: via front panel keys or digital signals.
• Source: Fully configurable (for example, PV, analog input, math block inbuilt, OP control loop
  deviation).
• Hysteresis: Level and time.
• Alarm enable: enable / disable of individual alarms via a digital signal.
• Analog inputs:
• Number: 2.
• Sample rate: 125 ms.
• Type: 0 – 50 mA.
• Analog outputs:
• Number: 1.
  Configurable as analog or digital pulse.
• Current output range as analog output: 0 – 20 mA.
• Relays output:
• Number: 1.
  NO and NC relay.
• Contact ratings: 5A, 240 V.
  7

Specifications

• N-SR-3. Four-channel Signal Recorder Module.
• Supply voltage: 230 VAC single-phase.
• Communication:
  USB.
  Ethernet.
• Display: Full-color LCD 9 cm (3.5 in) with built-in backlight.
• Analog inputs: N-SR-3
• Number: 4.
• Sample rate: 125 ms.
• Type: 4 – 20 mA.
• Relays output:
• Number: 2.
  NO relays.
• Contact ratings: 2A, 230 V.
• Digital Output:
• Number: 1
• Output: voltage levels 0 and 24 VDC.
• N-MED87. Analogs and Digitals Indicators of 4-20mA Current Signals Module.
• Two analog indicators:
• Device size: 92 x 92 mm (3.62 x 3.62 in).
• Input signal range: 4 – 20 mA.
  Two digital indicators of 4 – 20 mA current signal.
  N-MED87
  Four digit LCD display.
• Input signal range: 4 – 20 mA.
• N-TERM. 8 and 5 Pin Connector Terminal block Module.
  Six 8-pin connector terminal block.
  Two 5-pin connector terminal block.
  Cables and accessories, for normal operation.
  N-TERM