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8. THERMISTOR MODULE [ITB-06A-CE]
[TOC]
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One negative temperature co-efficient thermistor sensor
Signal conditioner for Thermistor Transducer: output 0-5V
Built in Instrumentation Power supply
A 3½ Digit Digital indicator for voltage display
Offset variable provision.
An optional heating source.
Detailed documentation
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ACCESSORIES:
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1. TEMPERATURE CONTROLLER (Proportional &
Integral): [VTC-01]
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A waterbath system of temperature up to 99 C for temperature measurement.
A Proportional & Integral controller with 3½ digit display is provided with
setpoint control the student can set the described temperature.
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A 3½ Digit Digital Indicator to display the set temperature as well as
present temperature.
Signal conditioner with thermocouple provided for the PI controller
This thermocouple sense the
water bath temperature and keeps it at the desired value by PI
control method
Provision to insert input AD590 transducer or any Temperature Transducer
A built in thyristorised power controller to control the temperature
accurately to the setpoint.
Detailed Documentation.
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2. FURNACE SOURCE
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A Furnace of temperature upto 500 will be provided for temperature
measurement.
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9. INSTRUMENTATION AMPLIFIER MODULE (ITB-009)
[TOC]
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This module consists of instrumentation amplifier and instrumentation
power supply mounted in a closed powder coated cabinet.
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Instrumentation Amplifier of Gain adjustable by Jumper (Range 1, 10,
100)
Logical diagram in the panel
Miniature connectors provide to interface with Microprocessor or PC
Built in instrumentation power supply
Detailed Documentation.
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10. CURRENT TO VOLTAGE CONVERTER MODULE
(ITB-010)
[TOC]
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This module consists of one channel current to voltage converter and one
3½ digit digital display to indicate the voltage.
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One channel current to voltage converter
One 3½ digit digital indicator to display the output voltage
Test points are provided to measure output voltage of each stage
Built in Instrumentation power supply
Logical diagram in the panel
Miniature connectors are provided to interface the µP/PC.
All are mounted in an attractive powder coated cabinet.
Detailed documentation
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11. VOLTAGE TO CURRENT CONVERTER MODULE
(ITB-011) [TOC]
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This module consists of one channel voltage to current converter and one
3½ digit digital indicator to display the output current (4-20mA)
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One channel voltage to current converter section
One 3½ digit digital indicator to display the output current (4-20mA)
Test points are provided to measure the output voltage of each stage
Built in instrumentation power supply
Logical diagram in the panel
Miniature connectors are provided to interface the Microprocessor or
Computer
All the components are mounted into closed powder coated cabinet.
Detailed Documentation.
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12. DISPLACEMENT MEASUREMENT TRAINER USING LVDT (ITB-012-CE)
[TOC]
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It consists of a sensor, signal conditioner and a digital indicator to display
the displacement cantilever jig with Micrometer.
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LVDT sensor with Micrometer (Range: 0-25mm)
Signal Conditioner for LVDT
Displacement calibrated Range for ±10mm
Output voltage: 0-5V
Built in Instrumentation Power Supply
A 3½ Digit digital indicator to display the displacement.
Detailed Documentation.
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13. DISPLACEMENT MEASUREMENT TRAINER USING LVRT (ITB-12A)
[TOC]
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This trainer consists of LVRT sensor, which is mounted on a fine powder coated
metallic base and a 3½ digit digital indicator to display the voltage
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LVRT sensor (Resistive Type)
Displacement calibrated Range from (0-50)mm
Output Voltage (0-5)V
Built-in Instrumentation Power Supply
A 3½ Digit Digital Indicator to display the voltage or displacement
Detailed Documentation
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14. TORQUE MEASUREMENT TRAINER [ITB-013-CE]
[TOC]
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This trainer consists of Torque sensor, Signal conditioner, Digital
Indicator and power supply to study the torque.
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Reaction type torque transducer of Range 1Kg with fulcrum arm.
Slotted weights with pan provision to load applied in steps of 100 gms.
A mechanical holder provided to hold the sensor with the table rigidly
A 3½ digit digital indicator to display the torque
Built-in Instrumentation power supply
Offset and gain variable provision
Detailed Documentation.
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15. ANGULAR DISPLACEMENT MODULE [ITB-014]
[TOC]
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This trainer module consists of angular transducer with signal conditioner
mounted in a fiber cabinet. One 3½ digital indicators to display the angle of
the transducers in the range of (0-300 )
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One angular displacement transducer (Resistive Type)
0-360 protector.
Signal conditioner for Angular displacement transducer
A 3½ digit digital display to indicate the position of the transducer
from (0-300)
Test points are provided to measure the output of the signal conditioner
Built in instrumentation power supply
All are mounted in a fine fibre cabinet
Detailed Documentation
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16. OPTO ISOLATED I/O BOARD MODULE (ITB-015)
[TOC]
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This
module consists of Opto Isolator board,
One instrumentation power supply. All are
mounted in a closed powder coated cabinet
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4 Opto isolated output lines
All outputs are buffered to drive relays directly
4 Opto isolated input lines
All the inputs and outputs are terminated in suitable connectors
Built in instrumentation power supply
Logical diagram in the panel
If the testing points are connected to a suitable connectors
Detailed documentation
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17. OPTO COUPLER CHARACTERISTICS TRAINER [ITB-015A]
[TOC]
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This module consists of optocoupler (or) Opto isolator, one
instrumentation power supply.
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Two optocouplers (4N33) provide to conduct experiments
10 K potentiometer provided at
the input of one 4N33 to find the input characteristics of 4N33 (VF Vs Input
current)
2nd optoisolator provided with the provision to vary the collector
voltage at fixed input current of 4N33 to plot the transfer curve
Detailed Documentation.
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18. PRESSURE MEASUREMENT TRAINER MODULE:
[ITB-016-CE]
[TOC]
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This module consists of a (0-100) PSI pressure transducer of strain gauge
type fixed in a pressure tank, one manually operated pump to develop pressure,
pressure gauge, 3½ digital indicator to display the pressure.
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One metal pressure tank fitted with strain gauge type pressure cell
A needle valve fitted in a pressure tank to release the pressure.
Bourden type pressure gauge provided in the tank to indicate pressure.
One manually operated foot pump to generate a pressure of the tank.
Signal conditioner for pressure cell (output 0-5V)
Offset and gain variable provision.
A 3½ digit digital display indicator to indicate the pressure inside
the tank
Detailed Documentation.
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19. STRAIN MEASUREMENT TRAINER MODULE
[ITB-017-CE]
[TOC]
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This trainer consists of cantilever Jig and Strain Gauge bonded on the
cantilever, a signal conditioner for the strain gauge, Instrumentation power
supply, 3½ digit digital indicator display the strain.
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Cantilever beam of maximum weight upto 1Kg.
A pan with slotted weights to vary the strain.
Built in Instrumentation power supply
Signal conditioning card for the strain gauge
3½ Digit Digital display for displaying the strain
Offset and gain variable provision
Detailed Documentation.
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20. INDUCTIVE PICKUP MODULE (ITB-018)
[TOC
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This module consists of a variable inductor with movable core fitted on a
base. Signal conditioner for inductive pickup, 3½ digit digital indicator to
display the signal conditioner output voltage.
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A variable inductor with movable core
Signal conditioner for inductor (output 0-5V)
Built in Instrumentation Power Supply
A 3½ digit digital indicator to display the signal conditioner output
voltage
Test points are provided with suitable connectors
A 15mm length ferrite core provided to vary the inductance value
4 KHz sinusoidal excitation source for bridge supply
Logical diagram in the panel
Miniature connectors are provided to interface with Microprocessor or PC
All the components are mounted in the closed powder coated cabinet
Detailed documentation
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21. CAPACITIVE PICKUP EXPERIMENT MODULE
[VARIABLE AREA] [ITB-019][TOC]
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In this module, a variable capacitor mounted on a jig, signal conditioner
for capacitive pickup, 3½ digit digital indicator and one instrumentation power
supply
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A rotary type variable area capacitor (Range-2 to 200pF) mounted on the
center of a protector with a pointer (for 0-120 )
Signal conditioner for the capacitive transducer (output: 0-5V)
Built in Instrumentation power supply
A 3½ digit digital indicator to display the output voltage
Logical diagram in the panel
Miniature connectors are provided to interface with Microprocessor and
PC
All the components are mounted in the closed powder coated cabinet.
Detailed Documentation.
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22. HYSTERESIS MEASUREMENT MODULE [ITB-026]
[TOC]
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This trainer consists of hardware to study the hysteresis loop of any
magnetic material. The hardware consists of two core step down transformer. The
associate circuitry applies a sine waveform.
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One E-core transformer with magnetising winding and search coil winding.
The current in the magnetising winding is H and the flux density is B
curve.
One limited potentiometer is provided tovary the input signal.
R.C components provided for filter.
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Optional :
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One auto transformer to vary the input signal of (0-230)V AC / 50Hz
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23. CAPACITIVE PICK-UP TRAINER MODULE
[DIELECTRIC] [ITB-024]
[TOC]
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This trainer consists of a dielectric principle type parallel plate
capacitor, signal conditioner, Instrumentation power supply, a 3½ digit digital
indicator.
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A Dielectric principle type S.S plate capacitor transducer of height
300mm
A Rust proof transparent level tank
300mm S.S scale to measure the level
Facilities provided to move the capacitive transducer
A ¼" S.S Handvalve
Built-in Instrumentation power supply
Signal conditioner for capacitive transducer
A 3½ digit digital indicator to display the output voltage
Logical diagram in the panel
Miniature connectors are provided to interface with µP (or) PC
All the components are mounted in an attractive powder coated cabinet.
Detailed Documentation.
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24.
LDR/ PHOTODIODE/ PHOTO TRANSISTOR TRAINER [ITB-027-CE]
[TOC]
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This trainer consists of high quality photodiode, LDR and Phototransistor.
These are mounted in a desk top powder coated metallic cabinet to carry out the
characteristics.
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5 volt/12 volt DC
Lamp fitted in a tubular frame
A 15 cm metal
scale to indicate the distance between the light source and the
sensor under test
All the sensors
are mounted in a single tubular frame with adjustable knob provision to vary the distance between light and sensor.
A miniature
connector provided to interface the digital meters
Built in
Instrumentation power supply
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25. LEVEL CONTROL / MEASUREMENT MODULE
[ITB-03]
[TOC]
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One J type thermocouple with industrial casing used as temperature
sensor
AD 590 sensor provided for cold junction compensation
Signal conditioner for thermocouple output (0-5)V
Adjustable zero adjustment provision
One 8 bit ADC to read the analog voltage of the thermocouple amplifier
8KB EPROM with lookup datas provided for linearisation
One 8 bit DAC to generate the linearised Analog output (0-5)V
Built-in Instrumentation power supply
Miniature connector provided in the panel with logical diagram for easy
reference
Detailed documentation.
Optionally heat source provided.
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26. VOLTAGE MEASUREMENT MODULE [ITB-032]
[TOC]
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One (0-230V) AC Voltage Source provided to feed the input voltage of
Hall effect sensor
One Signal conditioner provided to interface with ADC
Output Voltage Range: (0-5V)
One Analog meter provided to indicate the input voltage.
Built-in Power Supply
All are mounted in closed metal cabinet.
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27. CURRENT MEASUREMENT MODULE [ITB-033]
[TOC]
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One Current source of range
(0-5A) provided to feed the current input of Hall effect current
sensor.
One Rheostat provided to vary
the current
Signal conditioner provided to interface with ADC
Built in Power Supply
One 0-10A Analog type current meter provided to indicate the input flow
current
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28. FREQUENCY TO CURRENT CONVERTER (ITB 040) [TOC]
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This module consists of one channel Frequency to Current converter, 3½
digit digital indicator to display the current.
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Single channel frequency to current converter of Range : (0 - 5) KHz and
its output is (4-20) mA.
Test points are provided to measure the frequency, Voltage and current
Inbuilt IC regulated power supply
Logical diagram in the panel
Miniature connectors are provided to measure the test signals
All the components are mounted in an attractive powder coated cabinet
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29. MICROPROCESSOR BASED SIGNAL LINEARISATION THERMISTER MODULE
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One negative temperature co-efficient thermistor housed in a industrial
casing
Signal conditioner for Thermistor Transducer: output 0-5V
Built in Instrumentation Power supply
Miniature connectors at the panel with logic diagram
Connector provisions for µP/AD/DA interface
Detailed Documentation
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Accessories :
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1. ADC & DAC / MEASUREMENT & CONTROL MODULE [VBMB-030]
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One Channel 8 Bit DAC 0800
Incorporates 8 channel 8 bit ADC 0809
Start of conversion by manual switchor software
End of conversion
(EDC) monitored through Interrupt/Polling
Display of digital data using LED's
All the 8 Channel analog inputs teminated at Screw type connector
Provision for test points & fault analysis points
AD590 circuit for temperature (or) input
One VXT Bus Extender for interfacing with all of our Microprocessor kits
DAC and ADC Outputs / Inputs are terminated at suitable connector
50 core cable
All address, data and control lines are terminated in a 50 pin FRC OEN
type male connector to interface with VXT Bus
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Note : This card is used to interface the above µP based Linearisation of
Thermistor module with Microprocessor Kit
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30. FILLED IN SYSTEM
THERMOMETER
[TOC]
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This system consists of a miniature furnace, blower, mercury thermometer
etc., provided to study the performance of filled in system using thermometer
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One miniature furnace of maximum temperature 500 C
Blower provided to cool the furnace temperature
K-type thermocouple acts as a temperature transducer, to measure the
millivolts corresponding to
the temperature
One mercury thermometer with indicator provided to visualize the present
temperature
All the components are mounted on a open platform
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31. HALL EFFECT TRANSDUCER FOR MEASUREMENT OF
CURRENT : [VHECT-01]
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This Trainer consists of Hall Effect current signal conditioner, power supply,
analog voltmeter etc. provided to study the characteristics
of given hall effect transducer
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One Hall Effect current sensor of 5 Amps
Signal conditioner for the same
IC regulated power supply
One (0-10)Volt analog voltmeter
provided to measure the output voltage of the Hall Effect
transducer.
One (0-5)Amps analog type ammeter provided to measure the input current
of the transducer.
All the electronics components are mounted on a closed sleek cabinet.
Loading arrangement (bulbs) provided to vary the input current.
Detailed documentation.
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32. LVDT POSITION CONTROL TRAINER : [VLPCT-01]
[TOC]
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A 2Kg stepper motor provided to rotate the angular position [0-360 ]
Rack & Pinion mechanism is used to convert the angular to linear
displacement
A LVDT sensor having displacement of 20mm is provided to sense the
linear displacement
A signal conditioner for LVDT sensor
MOSFET based driver circuit provided to drive the stepper motor
A metal scale provided to view the displacement
Built-in power supply
Detailed Documentation.
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33.
PC BASED LINEARISATION OF THERMISTOR
[TOC]
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One negative temperature co-efficient thermistor housed in a industrial
casing
Signal conditioner for Thermistor Transducer: output 0-5V
Built in Instrumentation Power supply
Miniature connectors at the panel with logic diagram
Connector provisions for µP/AD/DA interface
Detailed Documentation
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ACCESSORIES
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8 CHANNEL ANALOG TO DIGITAL I/O BOARD(SPP BASED)
(VAD 104)
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IBM PC/AT parallel port
(SPP mode only) compatible
8 Channel Analog inputs single ended
# 12 bit dual slope integrating A/D Converter
# 7.1 Sec conversion time
# Input voltage ±5V
# 2 Channel configured as (4-20)mA
Single channel Analog output
# Output Voltge ±5V DC
# Configured as (4-20)mA
8 TTL I/O lines
Inbuilt Power Supply
All the Analog and Digital signals are terminated in 25 Pin D Male
Connector
Suitable for Process Control Applications
An-1 Extension board with 26 pin FRC Connector and Cable
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PC Should be provided by the institution at the time
of installation and demonstration of the above. |
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34. STUDY OF TRANSDUCERS
[TOC]
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This module consists of sources, signal conditioners and
the following transducers study of,
i. Thermocouple
ii. Thermister
iii. Load Cell
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It also consists of Microcontroller based Digital
Indicator to display the physical parameters of load, Temperature etc. Using
this trainer the student can study the characteristics of 3 transducers.
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a. Sensors :
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'J' type thermocouple as Temperature sensor
One Negative temperature co-efficient thermister
One AD590 sensor used for temperature compensation
4 arm strain gauge based loadcell
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b. Signal Conditioners :
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A Suitable signal conditioner module consists of bridges,
amplifiers etc. to conditioned the transducer output signals.
Bridges with amplifiers for load cell, thermister
# Output Range (0-5)V
Millivolt amplifiers for thermocouple
# Output Range (0-5)V
Test points provided wherever necessary
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c. Digital Indicators :
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89C51 Microcontroller based Indicators
5 Keys provided to select the channel of the ADC
ADC of 12 bit resolution
8 Channel Analog Input (±5V)
16x2 Alphanumeric LCD display to view the physical
parameters
Channel selectable by the user
Built-in power supply
Housed in metal cabinet
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d. Sources :
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A Water bath system of temperature upto 99 C acts as a
Temperature source (Power : 1KW) with 2 litre tank capacity
Standard weights
(upto 5Kg) are provided to feed the pan
of Load Cell.
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Experiments
:
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1. Study of Load cell
2. Study of Thermister
3. Study of Thermocouple
4. Study of all signal conditioners
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35. SIMPLE THERMAL SYSTEM :
[VTCS-03]
[TOC]
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Thermal system consists of a real miniature process to
teach the basics of control theory. This system consists of controller,
thyristor based power driver, Stirred tank of 1 litter capacity, RTD as a
temperature sensor, signal conditioner etc., to provide a closed loop control of
P, PI and PID control and ON/OFF control with adjustable overlap.
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FEATURES :
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Three potentiometers provided to vary proportional gain,
integral time and derivative time of the process
To vary the overlap in ON/OFF controller, One sleek
potentiometer is provided
Provision to select ON/OFF, P, PI & PID Controller
Adjustment provided to vary the overlap and maximum
heater power by using two individual potentiometers.
RTD as a temperature sensor
SCR firing circuit with 2 Nos. of
SCRs, provided to vary
the power to the Heater in the blower.
In-built error detector to compare the set variable and
the measured variable.
One miniature water heater of capacity one litre
provided with water inlet and outlet connection.
One miniature motor is fitted with tank to get uniform
process Temperature.
In-built IC regulated power supply
Display :
# 2 Nos of digital panel meters provided to monitor the
set value and measured value/deviation.
One miniature toggle switch to select the deviation and
the measured value
All the
components are housed in an attractive sleek cabinet with mimic diagram and
suitable
termination connector
Detailed Documentation
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Experiments :
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Study of ON/OFF (2 step) control with and without
overlap.
Study of proportional control
Study of PI control of a temperature system.
Study of P+I+D (3-term) control of the temperature
system
Study of Transport lag.
Study of Supply side disturbance.
Study of set value disturbance.
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36. PC BASED PID CONTROLLER WITH REAL TIME APPLICATION [TOC]
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a.
PID Controller Stduy Trainer [ITB-PCS07]
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IBM Compatible computer
32MB RAM
1.44MB FDD with controller
1 serial and Parallel port
14" VGA Color monitor with VGA Card
104 Keys Keyboard, SMPS
Operating voltage 200-240V
Single channel analog input
12 bit Resolution dual slope integrating A/D converter
One DAC channel with 12 bits resolution
Output voltage range : ±5 volts
Data storing from ADC to Diskette
On line graph on the video screen
User friendly menu driven software
Facility provided in the software to vary the gain of
proportional, Integral & Derivative
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b. Optional Hardware :
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Real Time Process Implementation for DC Motor Closed Lopp
Control :
One 12 volt PM DC Motor
One PWM control power control unit to establish a closed
loop PID Control.
Signal conditioner for optical sensor.
Detailed Documentation.
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