ATENG 12790 — Computer Controlled Heat Transfer Series
(for main items)
- With this unit there are several options and possibilities:
- Main items: 1, 2, 3 and 4.
- Optional items: 5, 6, 7, 8 and 9.
- Let us describe first the main items (1 to 4):
- 1 ATENG 12791. Control Interface for ATENG 12790 (Common for all available units type “TXC”):
This control interface is common for the required elements (at least one) (Not included).
Control interface box with process diagram in the front panel and with the same distribution
that the different elements located in the unit, for an easy understanding by the student.
- All sensors, with their respective signals, are properly manipulated from -10V. to +10V. computer output.
Sensors connectors in the interface have different pines numbers (from 2 to 16), to avoid
connection errors.
Single cable between the control interface box and computer.
The unit control elements are permanently computer controlled, without necessity of
changes or connections during the whole process test procedure.
Simultaneous visualization in the computer of all parameters involved in the process.
Calibration of all sensors involved in the process.
Real time curves representation about system responses.
Storage of all the process data and results in a file.
Graphic representation, in real time, of all the process/system responses.
All the actuators’ values can be changed at any time from the keyboard allowing the
ATENG 12791
analysis about curves and responses of the whole process.
All the actuators and sensors values and their responses are displayed on only one screen in the computer.
Shield and filtered signals to avoid external interferences.
Real time PID control with flexibility of modifications from the computer keyboard of the PID
parameters, at any moment during the process.
Real time PID and on/off control for pumps, compressors, heating elements, control valves, etc.
Real time PID control for parameters involved in the process simultaneously.
Proportional control, integral control and derivative control, based on the real PID mathematical
formula, by changing the values, at any time, of the three control constants (proportional, integral
and derivative constants).
Open control allowing modifications, at any moment and in real time, of parameters involved in the
process simultaneously.
Possibility of automatization of the actuators involved in the process.
Three safety levels, one mechanical in the unit, another electronic in the control interface and
the third one in the control software.
- The complete unit includes:
Advanced Real-Time SCADA and PID Control.
Open Control + Multicontrol + Real-Time Control.
Specialized Control Software based on LabVIEW.
National Instruments Data Acquisition board (250 KS/s, kilo samples per second).
Calibration exercises, which are included, teach the user how to calibrate a sensor and the
importance of checking the accuracy of the sensors before taking measurements.
Projector and/or electronic whiteboard compatibility allows the unit to be explained and
demonstrated to an entire class at one time.
Capable of doing applied research, real industrial simulation, training courses, etc.
Remote operation and control by the user and remote control for technical support,
are always included.
Totally safe, utilizing 4 safety systems (Mechanical, Electrical, Electronic & Software).
Designed and manufactured under several quality standards.
Optional ICAI software to create, edit and carry out practical exercises, tests, exams,
calculations, etc. Apart from monitoring user's knowledge and progress reached.
This unit has been designed for future expansion and integration. A common expansion is
Advanced Real-Time SCADA and PID Control. the Scada-Net (ESN) System which enables multiple students to simultaneously
Open Control + Multicontrol + Real-Time Control. operate many units in a network.
- Specialized Control Software based on LabVIEW. Required elements (at least one) (Not included):
- National Instruments Data Acquisition board (250 KS/s, kilo samples per second). - ATENG 12793. Linear Heat Conduction Unit for ATENG 12790.
- Calibration exercises, which are included, teach the user how to calibrate a sensor and the - ATENG 12794. Radial Heat Conduction Unit for ATENG 12790.
importance of checking the accuracy of the sensors before taking measurements.
- ATENG 12796. Radiation Heat Transfer Unit for ATENG 12790.
Projector and/or electronic whiteboard compatibility allows the unit to be explained and
- ATENG 12797. Combined Free and Forced Convection and Radiation Unit for ATENG 12790.
demonstrated to an entire class at one time.
- ATENG 12800. Radiation Errors in Temperature Measurement Unit for ATENG 12790.
Capable of doing applied research, real industrial simulation, training courses, etc.
- ATENG 12799. Extended Surface Heat Transfer Unit for ATENG 12790.
Remote operation and control by the user and remote control for technical support,
- are always included. - ATENG 12802. Unsteady State Heat Transfer Unit for ATENG 12790.
- Totally safe, utilizing 4 safety systems (Mechanical, Electrical, Electronic & Software). - ATENG 12803. Thermal Conductivity of Liquids and Gases Unit for ATENG 12790.
- Designed and manufactured under several quality standards. - TXC/FF. Free and Forced Convection Heat Transfer Unit for ATENG 12790.
- Optional ICAI software to create, edit and carry out practical exercises, tests, exams, - ATENG 12805. Three Axes Heat Transfer Unit for ATENG 12790.
- calculations, etc. Apart from monitoring user's knowledge and progress reached. - ATENG 12806. Metal to Metal Heat Transfer Unit for ATENG 12790.
- This unit has been designed for future expansion and integration. A common expansion is - ATENG 12808. Ceramic Heat Transfer Unit for ATENG 12790.
the Scada-Net (ESN) System which enables multiple students to simultaneously
- operate many units in a network. - ATENG 12809. Insulating Material Heat Transfer Unit for ATENG 12790.
4
Complete Technical Specifications (for main items)
- DAB. Data Acquisition Board:
Common for the required elements (at least one) (Not included).
PCI Express Data acquisition board (National Instruments) to be placed in a computer slot. Bus
PCI Express.
- Analog input:
Number of channels= 16 single-ended or 8 differential.
Resolution=16 bits, 1 in 65536.
- Sampling rate up to: 250 KS/s (kilo samples per second).
- Input range (V)=±10 V. Data transfers=DMA, interrupts, programmed I/0. DMA channels=6.
DAB
- Analog output:
Number of channels=2.
Resolution=16 bits, 1 in 65536.
- Maximum output rate up to: 900 KS/s.
- Output range (V)=±10 V. Data transfers=DMA, interrupts, programmed I/0.
- Digital Input/Output:
- Number of channels=24 inputs/outputs. D0 or DI Sample Clock frequency: 0 to 100 MHz.
- Timing: Number of Counter/timers=4. Resolution: Counter/timers: 32 bits.
The Data Acquisition board model may change at any moment, providing the same or better
features than those required for the unit.
3 Cables and Accessories, for normal operation.
- 4 Manuals:
- This unit is supplied with 8 manuals: Required Services, Assembly and Installation, Interface and
Control Software, Starting-up, Safety, Maintenance, Calibration & Practices Manuals.
5
Required elements (at least one) (Not included)
ATENG 12793. Linear Heat Conduction Unit for ATENG 12790
Bench-top unit to study the principles of linear heat conduction and to allow the
conductivity of various solid conductors and insulators to be measured.
It is given with interchangeable samples of different materials, different diameters
and different insulating materials that allow to demonstrate the area effects, the
conductivity and the combinations in series in the heat transfer process.
Anodized aluminum frame and panels made of painted steel.
Diagram in the front panel with distribution of the elements similar to the real
one.
Input heat section.
Electric heater, computer controlled.
Refrigeration section with a surface cooled by water.
- Interchangeable central sections:
- With brass of 25 mm of diameter.
- With brass of 10 mm of diameter.
- With stainless steel of 25 mm of diameter. ATENG 12793
- Flow sensor to measure the cooling water flow, range: 0.25 – 6.5 l/min.
Water flow regulation valve.
Thermal paste is supplied to demonstrate the difference between poor and
good thermal contact between the sections.
- Nineteen temperature sensors, “T” type (high precision):
Seventeen temperature sensors distributed in the heating section (4 sensors),
refrigeration section (4 sensors) and central sections (3 sensors in each
central section).
Temperature sensor at the water inlet of the unit.
Temperature sensor at the water outlet of the unit.
Power measurement from the computer.
Cables and Accessories, for normal operation.
- This unit is supplied with 8 manuals: Required Services, Assembly and
Installation, Interface and Control Software, Starting-up, Safety, Maintenance,
Calibration & Practices Manuals.
( )TXC/CL/CCSOF. PID Computer Control+Data Acquisition+Data
- Management Software:
The three softwares are part of the SCADA system.
Compatible with actual Windows operating systems. Graphic and intuitive
simulation of the process in screen. Compatible with the industry
standards.
Registration and visualization of all process variables in an automatic and
simultaneous way.
Flexible, open and multicontrol software, developed with actual windows
graphic systems, acting simultaneously on all process parameters.
Analog and digital PID control.
Menu for PID and set point selection required in the whole work range.
Management, processing, comparison and storage of data.
Sampling velocity up to 250 KS/s (Kilo samples per second).
Calibration system for the sensors involved in the process.
It allows the registration of the alarms state and the graphic
representation in real time.
Comparative analysis of the obtained data, after the process and modification
of the conditions during the process.
Open software, allowing to the teacher to modify texts, instructions.
Teacher’s and student’s passwords to facilitate the teacher’s control on
the student, and allowing the access to different work levels.
This unit allows the 30 students of the classroom to visualize
simultaneously all results and manipulation of the unit, during the
process, by using a projector or an electronic whiteboard.
- This unit requires Control Interface Box (ATENG 12791) and Data Acquisition
Board (DAB).
6
Required elements (at least one) (Not included)
ATENG 12794. Radial Heat Conduction Unit for ATENG 12790
Bench-top unit to study the principles of radial heat conduction, and to allow
the conductivity of solid brass disk to be measured.
Anodized aluminum frame and panels made of painted steel.
Diagram in the front panel with distribution of the elements similar to the real
one.
- Brass disk of 110 mm of diameter and 3 mm of thickness.
Electric heater, computer controlled.
Peripherical cooling tube.
- Flow sensor to measure the cooling water flow, range: 0.25 – 6.5 l/min.
Water flow regulation valve.
- Eight temperature sensors, “T” type (high precision):
Six temperature sensors distributed in the unit.
Temperature sensor at the water inlet of the unit. ATENG 12794
Temperature sensor at the water outlet of the unit.
Power measurement from the computer.
Cables and Accessories, for normal operation.
