VPL Infotech & Consultants - Electrical & Electronic Testing Devices

The open design of the Fuzzy Logic Control Trainer (VPL-FLCT) allows the range of fuzzy logic and control experiments to be developed and extended as required to suit the specific interests of the user. In the case of fuzzy control, any external system with compatible inputs and outputs may be considered for control using fuzzy logic via the VPL-FLCT.

FEATURES ofFuzzy Logic Control Trainer (VPL-FLCT)

• Teaching aid to take the mystery out of fuzzy logic. May also beused by practising engineers for fuzzy logic familiarisation.
• Unique hardware module oriented for implementing fuzzysystems using fuzzy system elements.
• Students learn by defining fuzzy parameters membershipfunction, Rules to get results.
• Compatible with Fruit-AX fuzzy system software allow user todefine membership functions, graphs, setup rules, and facilityto transfer the data on VPL-FLCT.
• Fuzzy systems complemented by links with Fruit-AX softwareto allow smooth progression to the more usual digital computerform.
• Allows rapid implementation and use of fuzzy systems.
• Manual contains full tutorial information for selfinstruction, from an introduction into the basic principles of fuzzy logic toperforming practical real time fuzzy control experiments usingcontrol models or other compatible equipment.

EXPERIMENTSThe experimental manual supplied with VPL-FLCT contains aseries of structured experiments which lead the student from anintroduction into fuzzy principles and circuits to real time fuzzycontrol.

The experiments cover the topics of:

• Fuzzy membership
• Defuzzification
• Fuzzy logic operators

Case studies with practical fuzzy control of external system

• Thermal control
• Humidity Control
• Relay control
• Environmental control using humidity & temperature parameters

FEATURES

• Based on 89C51 family based processor.
• 40x2 LCD for Display interface and Keyboard entry through IBM PC Keyboard.
• It has hardware block for doing various experiments:
  • - Mic input with conditioning circuit.
  • - Keyboard matrix (5x4) for scanning the key codes.
  • - Audio output on Headset.
  • - With LCD of 40x2.
  • - SIM socket.
  • - Buzzer.
• Understanding of various functions with the use of AT commands.
• Various SIM signals like Card Read, Card Clock, Card Presence, Card Data are available for debugging.
• With buzzer provides for incoming call.
• External antenna for capturing the incoming signal.
• Various examples using AT commands are given for Phone dialing, SMS Read, Write, Phone book, General purpose I/O lines, Keyboard interface to Modem are given.
• Modem can operate through PC as well as standalone system directly.
• In-built power supply.

GSM PARAMETERS

• Multiple Access Method -TDMA / FDMA.
• Uplink frequencies (MHz) -933-960 (basic GSM).
• Downlink frequencies (MHz) -890-915 (basic GSM).
• Duplexing -FDD.
• Channel spacing, kHz -200.
• Modulation -GMSK.
• Portable TX power, maximum / average (mW) -1000 / 125.
• Power control, handset and BSS -Yes.
• Speech coding and rate (kbps) -RPE-LTP / 13.

Satellite Communication Trainer has been designed to study completely about satellite communication system i.e. how a signal is transmitted and received using satellite standards. The complete unit of Satellite Communication Trainer consists of three sections; Satellite Uplink Transmitter, Satellite Emulator and satellite Receiver. The satellite emulator receives signal from satellite uplink transmitter which can be analyzed and emulated using various satellite instruments like spectrum analyzer. The received signal is then retransmitted to satellite downlink receiver where the signal is retrieved. The signals which are used for transmission are audio, video, and digital data. A provision to connect function generator is also provided. Using the above setup concepts like baseband analog signal parameters, phenomenon of linear polarization C/N ratio, S/N ratio, fading of a received signal, digital baseband signal parameter propagation delays can be studied. Data sent from one computer can be received on another computer using satellite link.

• Simultaneous communication of three different signals at each up-linking frequency
• Communication of external broad band digital and analog data and base band signals.
• Choice of different transmitting and receiving frequencies
• Transmission and reception with helix, dish antenna is provided

Technical Specifications

• Satellite Uplink Transmitter
• Selectable 2.4 GHz band using keypad and LCD indication
• 5/5.5 MHz audio and 8 MHz video FM modulation
• Adjustable path loss knob to 30 dB
• Transmission and reception with Helix, dish antenna is provided
• Detachable dish antenna with Separate Terminals for different inputs
• Transmit three signals simultaneously at each up-linking frequency
• FM Modulation of audio and video
• In built power supply

The GSM Trainer, offered by us, is based on 89C51 family based processor. Our GSM Trainer features 40x2 LCD for display interface and keyboard entry through IBMPC keyboard. GSM Trainer has mic input with conditioning circuit and hardware block for doing various experiments. Features

• Audio output on Headset
• Keyboard matrix (5x4) for scanning the key codes
• With LCD of 40x2
• SIM socket
• Buzzer
• Understanding of various functions with the use of AT commands
• Various SIM signals like card read, card clock, card presence, card data are available for debugging
• With buzzer provided for incoming call
• External antenna for capturing the incoming signal
• Various examples using AT commands are given for phone dialing, SMS Read, write, Phone book, ADC, General purpose I/O lines, keyboard interface to modern are given
• Can be operated through PC as well as standalone system directly
• In-built power supply

GSM Parameters

• Multiple Access Method  TDMA/FDMA
• Uplink Frequencies (Mhz)  933-960 (basic GSM)
• Downlink frequenices (Mhz) 890 -915 (basic GSM)
• Duplexing  FDD
• Channel spacing, kHz-200
• Modulation  GMSK
• Portable TX Power, Maximum / average (mW)  1000/125
• Power control, handset and BSS- Yes
• Speech Coding and rate (kbps) RPE- LTP / 13
• Speech Channels per RF channel  8
• Channel rate (kbps)270.833
• Channel coding  Rate ½ Convolution
• Frame duration (ms) -4.615

VPL- EPABX Trainer is a single board EPABX TRAINING Kit configured around the most popular microcontroller 89C51. EPABX Trainer can be used to train the engineers about the architecture of EPABX. This EPABX Trainer has the provision to use 1, 2 or 3 trunk lines & 4, 6 or 8 extension lines respectively. Locking & other facilities are provided in EPABX Trainer same as normal Epabx. EPABX Trainer can perform functions such as use the password to protect the call extension to extension call, hold, call transfer, call pickup, call parking, call forwarding, redial, call control, conference, do not disturb etc. Specifications

• Based on 89c51 CPU
• Provision for up to 1 trunk line & 3 extension lines
• IBM PC compatible keyboard for using command
• 20 x 2 LCD display
• Complete circuitry of EPABX is on board
• Working in 2 Modes
• Trainer model Epabx mode
• Explanation, Observation, Alignment and adjustment of Internal & external controls is possible
• Programmed for different section can be written in RAM
• Programs written by user are executable
• Standard EPABX specification
• 79dbm Cross Talk Attenuator
• Telephone Instruments (Optional)

Experiments Performed on the EPABX Trainer are

• Redial
• Extension to extension call
• Paging
• To hold a line
• Call consult
• Call parking
• Call forwarding busy
• Talk trunk to extension
• Call pickup
• Call transfer

We are a prominent Data Communication Trainer Exporter & Supplier in India. In Data Communication Trainer, the switch faults are provided on-board to study different effects on circuit and 20 Nos. of test points are provided on board to observe various intermediate signals. Features

• Serial Communication : RS-232 port (9 pin & 25 pin)Parallel Communication : 25 Pin LPT Port Wireless Communication :Infrared Transmitter : IR LED 920mmInfrared Receiver : Direct TTL outputBaud Rate : 2.4 kbps (max)Carrier Frequency : 38Khz

Optic Fiber Communication

• Transmitter : Peak wavelength of emission 660mm visible Red (SFH 756V)
• Receiver : Photo detector with TTL logic output (SFH551V)
• Baud Rate : 115kbps
• Fiber optic cable

Switch faults

• Switch faults are provided on-board to study different effects on circuit
• 20 Nos. of test points are provided on board to observe various intermediate signals
• In-built power supply +5V, + 12v

List of Experiments

• Study of serial and parallel Port
• Study of serial communication
• Study of flow controls in serial communication
• Study of protocols in serial communication
• Study of fiber optic communication
• Study of Modern communication
• Study of wireless communication
• Study of parallel communication
• Study of printer interface using parallel port

To fulfil the variegated demands and requirements of numerous patrons, we are instrumental in offeringDigital IC Trainer.It is prepared by making use of the top quality components and latest techniques. Apart from this, it is available at the nominal rates.

To fulfil the variegated demands and requirements of numerous patrons, we are instrumental in offeringDigital IC Trainer.It is prepared by making use of the top quality components and latest techniques. Apart from this, it is available at the nominal rates.

Features:

• Power efficiency
• High work capacity
• Durable

Experiments:

• Study of basic gates and verification of their truth tables (NOT, OR, AND, NOR, NAND, EX-OR, EX-NOR).
• Study and verifications of the laws of Boolean Algebra and Demorgans theorem.
• Study of important TTL terminologies, verification of important TTL circuit parameters.
• Construction and verifications of various types of flip-flops using gates & ICs (RS, JK, D, T, M/SJK).
• Construction and verification of various types of combinational circuits such as Half Adder, Full Adder, Half Subtractor, Full Subtractor, Even/Odd Parity Checker, Multiplexer, Demultiplexer, Binary to Gray & Gray to Binary converters.
• Construction and verification of various types of Up/Down, Synchronous Asynchronous, Ripple, Reverse, Ring, Binary, BCD & Decade Counters.
• Construction and verifications of 4 bit universal shift register (SR/SL operation).
• Study of 7-segment display and decoder/driver.

This is the basic Trainer in Communication Lab Series. Amplitude Modulation & Demodulation TrainerVPL-CT-AMis widely demanded for perfect performance. This range is prepared in line with the set industry standards.

Technical Specification:

• To study the Amplitude Modulation & Demodulation
• Circuit diagram printed on pcb
• On-board Carrier Generator
• On-board Modulating Function (Signal) Generator with variable amplitude & frequency
• On-board Amplitude Modulator
• On-board Amplitude Demodulator
• On-board potentiometer for varying depth/percent of modulation
• 220V 10%, 50Hz mains operated
• Enclosed in an attractive ABS plastic cabinet with cover

• Fibre Optic Analog Transmitter and Receiver
• 600nm or 850nm SMA Connectorised FO LED
• Optical to Electrical & Electrical to Optical Converter
• SMA Connectorised FO Photo Transistor
• 1Mtr. PMMA (960/1000 u) SMA FO Cable
• Experiment for Attenuation in fibre optic cable
• Transmission and Reception of audio signals using Microphone
• DC Supply : Built in IC regulated power supplies
• 220V 10%, 50Hz mains operated
• Enclosed in an attractive ABS plastic cabinet with cover

To train technicians to be able to install and maintain electronic equipment. A good technician should always follow state-of-the-art technology and rapid innovation of new products. Our system has been designed to satisfy the technical educational demand. In fact VPLPIET is adapted to theoretical and practical courses for studying power electronics and industrial electronics.

FEATURESComprehensive study, including theoretical study and practical exercises.Use of industrial type components, devices and circuits
Power Supply:

Variable:0-10V DC/1Amp, 0-40V DC/1Amp

DC Supply:+5V/1Amp, +12V/200mA, +15V/200mA, +30V/200mA, 12V/200mA, +30V/400mA-12V 0 +12V DC1/200mA, -12V 0 +12V DC2/200mA, -12V 0 +12V DC3/200mA, -12V 0 +12V DC4/200mA

AC Supply:0 10V/400mA, 0 12V/400mA, 0 24V/400mA, 10 0 10V/200mA, 16 0 16V/200mA, 220V Socket

3 Digit Digital Meters :* DC Ammeter 0-20mA/0-200mA* DC Ammeter 0-200mA/0-2000mA* DC Voltmeter 0-20V/0-200V* AC Voltmeter 0-200V* AC Ammeter 0-200V

Motors:DC Motor for SCR Control Speed ExperimentsAC Motor for TRIAC Control Speed Experiments

Experimental Modules

01. Characteristics Experiments and Advance Power Electronics Components like POWER MOSFET & IGBT02. UJT Experiments, UJT & PUT Trigger SCR Experiments03. PUT Experiments04. PUT & SCR Experiments, TRIAC Overflow Experiments05. SCS Experiments, Temperature Ratio and Touch Control Experiments06. SCR Control DC/AC Motor Experiment07. Automatic Control Lamp Experiments, Various Turn ON Techniques for SCR & TRIAC.08. TRIAC Control Speed Experiments, Photo Couple Experiments.09. Over Voltage Under Voltage Breaker and Flasher Control Experiments.10. IC Timer Switch Experiments11. Digital Signal Driver and Zero Voltage Switch, Advance Firing Scheme Experiments.12. SCR Converter Experiments and Snubber Circuit using RC13. SCR Commutation Techniques Experiments (Optional)14. SCR Inverter Experiments (Optional)15. Cyclo Converter Experiments (Optional)16. SCR Based Choppers (Optional)17. IGBT/MOSFET Inverter Experiment (Optional)

Radar Trainer has been designed to study completely & demonstrate about the working and application of RADAR system. It is a self sufficient and complete setup of hardware and software to demonstrate Radar concepts and its applications. It is a great tool for Electronic & Telecommunication Lab/Department of any technical

Amplitude Shift Keying Modulation & Demodulation TrainerVPL-CT-ASKis widely demanded for perfect performance. This range is prepared in line with the set industry standards.

Technical Specifications:

• To study the ASK Modulation & Demodulation
• Circuit diagram printed on pcb
• On-board Carrier Generator
• On-board Modulating Function (Signal) Generator with variable amplitude & frequency
• On-board ASK Modulator
• On-board ASK Demodulator
• On-board programmable word generator: cyclic 8-bit word
• Interconnection: 2/4mm banana sockets
• DC Supply: Built-in IC regulated power supplies
• 220V 10%, 50Hz mains operated
• Enclosed in an attractive ABS plastic cabinet with cover
• Standard Accessories: Users Manual with patch cords

FEATURES

Satellite Communication Trainer has been designed to study completely about satellite communication system i.e. how a signal is transmitted and received using satellite standards. The complete unit consists of three sections; Satellite Uplink Transmitter, Satellite Emulator and Satellite Receiver. The satellite emulator receives signal from satellite uplink transmitter which can be analysed and emulated using various satellite instruments like spectrum analyzer. The received signal is then retransmitted to satellite downlink receiver where the signal is retrieved. The signals which are used for transmission are Audio, Video, and digital data. A provision to connect function generator is also provided.

FEATURES

• Wire Less Communication.
• Optic Fiber Communication.
• Modem Communication.

LIST OF EXPERIMENTS

• Study of Serial and Parallel Port.
• Study of Serial Communication.
• Study of flow controls in Serial Communication.
• Study of Protocols in Serial Communication.
• Study of Fiber optic Communication.
• Study of Modem Communication.
• Study of Wire less Communication.
• Study of Parallel Communication.
• Study of Printer Interface using Parallel Port.

Siemens Simatic PLC Trainer can control a wide variety of devices to support your automation needs.

The Siemens PLC monitors inputs and changes outputs as controlled by the user program, which can include Boolean logic, Counting, Timing, Complex math operations and Communication with other intelligent devices. The compact design, flexible configuration and powerful instruction set combine to make the PLC a perfect solution for controlling a wide variety of applications.

The offered product Sensor/Transducer Trainer Kit (VPL-TT-TTT) consist of various transducers and sensors on board viz LVDT, Load Cell, Smoke Sensor, Speed Sensor, strain gauge etc. This is helpful and easy in study of principle and working of various sensors & transducers.

• Study of RTD, Thermocouple as temperature measuring transducer
• Demonstrate the principle and working of load cell and itsapplications for measuring load 0-2 Kg.
• Strain in terms of Kilograms on a cantilever beam usingStrain Guage
• To study of LVDT as displacement transducer
• To study of Smoke Sensor
• To study of Speed Sensor
• Built in I.C. based DC regulated power supply with shortcircuit protection and LED indication for supply ON.
• Bridge made up of strain gauges mounted on a speciallyalloy materials type load cell.
• Built in excitation voltage for the bridge.
• Built in 3.5 digit seven segment display for direct readingstain in Kg.
• Built in highly sensitive signal amplifier.
• Different loads provided for building up of load.
• O/P provided on test points for monitoring & controlling.
• Heater & Glass thermometer for reference
• Housed in an elegant with a well spread intelligentlydesigned circuit layout on front panel.
• Strongly supported by a comprehensive instruction manualcomplete with theory and operating details.
• With essential Test Points and detailed Instructional Manual
• 230V AC Operated and with required Patch cords

List of ExperimentsStudy of Single-phase Fully Controlled Thyristorized Bridge Converter It involves the study of firing circuit waveforms, output voltage, output current, SCR voltage and input current waveforms for R, RL and motor load for different values of firing angle and load inductance. Study of Single-phase Half Controlled Thyristorized Bridge Converter It involves the study of firing circuit waveforms, output voltage, output current, SCR voltage and input current waveforms for R, RL and motor load for different values of firing angle and load inductance. Study of Three-phase Fully Controlled Thyristorized Bridge Converter It involves the study of firing circuit waveforms, output voltage, output current, SCR voltage and input current waveforms for R, RL and motor load for different values of firing angle and load inductance. Study of Three-phase Half Controlled Thyristorized Bridge Converter It involves the study of firing circuit waveforms, output voltage, output current, SCR voltage and input current waveforms for R, RL and motor load for different values of firing angle and load inductance. Study of Single-phase Dual Converter both in continuous and discontinuous mode of operation It involves the study of firing circuit waveforms, output voltage, output current, SCR voltage and input current waveforms for R, RL and motor load for different values of firing angle and load inductance). Study of Three-phase Dual Converter both in continuous and discontinuous mode of operation It involves the study of firing circuit waveforms, output voltage, output current, SCR voltage and input current waveforms for R, RL and motor load for different values of firing angle and load inductance). output current, SCR voltage and input current waveforms for R, RL and motor load for different values of firing angle and load inductance. Study of Open Loop and Closed Loop operation of Single-Phase Converter fed DC motor Drive Study of Current Commutated Chopper It involves the study of firing circuit waveforms, output voltage and output current waveforms for R-L and motor load for different values of duty cycle and load inductance Study of Voltage Commutated Chopper It involves the study of firing circuit waveforms, output voltage and output current waveforms for R-L and motor load for different values of duty cycle and load inductance. Study of Single-phase AC regulator It involves the study of firing circuit waveforms, output voltage, output current, SCR voltage and input current waveforms for R, RL and motor load for different values of firing angle and load inductance. Study of Three-phase AC regulator It involves the study of firing circuit waveforms, output voltage, output current, SCR voltage and input current waveforms for R, RL and motor load for different values of firing angle and load inductance. Study of 12 -pulse Converter It involves the study of firing circuit waveforms, output voltage, output current, SCR voltage and input current waveforms for R, RL and motor load for different values of firing angle and load inductance. Study of Single-phase Generalized Converter The converter can be configured in different modes, Le., singlephase half wave, single-phase half wave with FWD, singlephase full wave, single-phase half controlled bridge, singlephase fully controlled bridge, single-phase bridge with controlled flywheeling. It involves the study of firing circuit waveforms, output voltage, output current, SCR voltage and input current waveforms for R, R-L and motor load for different values of firing angle and load inductance. Study of Three-phase Generalized Converter The converter can be configured in different modes, i.e. threephase half wave, three-phase half wave with FWD, three-phase full wave, three-phase half controlled bridge, three-phase fully controlled bridge, three-phase bridge with controlled flywheeling. It involves the study of firing circuit waveforms, output voltage, output current, SCR voltage and input current waveforms for R, R-L and motor load for different values of firing angle and load inductance. Study of Single-phase Voltage Source Inverter The inverter can be configured in different modes, i.e., square wave, unipolar sinusoidal PWM control, Bi-polar sinusoidal PWM control, Equal pulse width modulation control. It involves the study of firing circuit waveforms, output voltage, output current, SCR voltage and input current waveforms for R, R-L load for different values of operating frequency and magnitute. Study of Three-phase Voltage Source InverterStudy of cycloconverter Other than the experiments mentioned above, we can also provide experiments on improved power factor converters, active filters, multi-Level inverter multi-level converter, multi-phase choppers etc. The above converters can be controlled using analog and digital circuits as well as microcontroller 8051. The complete design of the converters along with the simulation waveforms of the controller output will be provided.

The Siemens PLC monitors inputs and changes outputs as controlled by the user program, which can include Boolean logic, Counting, Timing, Complex math operations and Communication with other intelligent devices. The compact design, flexible configuration and powerful instruction set combine to make the PLC a perfect solution for controlling a wide variety of applications.

The micrologic 1000 PLC Trainer can control a wide variety of devices to support your automation needs.

The Micrologic PLC monitors inputs and changes output as controlled by user program which can include Boolean Logic, Counting, Timer, Complex math operations. The compact design, flexible configuration and powerful instruction set combine to make the PLC a perfect solution for controlling a wide variety of applications.

• Fibre Optic Digital Transmitter/Receiver Module.
• 600nm or 850nm SMA Connectorised FO LED.
• RS 232C Driver using MAX-232-2 Nos.
• Optical to Electrical & Electrical to Optical Converter.
• SMA Connectorised FO Photo Transistor.
• 1Mtr. PMMA SMA FO Cable.
• RS232C cables for communication with PC (Optional).
• 220V 10%, 50Hz mains operated.
• Enclosed in an attractive ABS plastic cabinet with cover.
• Standard Accessories : Users Manual with patch cords.

• Trainer will have test point facilities
• The trainer enclosed in a Wooden/ABS plastic molded case with protective cover, operating manual covering list of experiments etc.

• Self contained trainer
• Functional Block printed on pcb
• Onboard 4 different types optical sensor
• Onboard Digital Panel Meter
• Inbuilt Power Supply
• Onboard Signal Conditioning Circuit
• Strongly support by systematic operating instructions

a) Photo Conductive Cell
b) Photo Transistor
c) Photo Voltaic Cell
d) Pin Photo Diode

• Signal Conditioning Circuitry :

a) DC Amplifierb) Power Amplifierc) Bufferd) Comparatore) Electronic Switchf) Current Amplifier

• Filament LampsCharacteristics
• Characteristics of Photo Conductive Cell
• Characteristics of Photo Transistor
• Light Controlled Switch System
• Characteristics of Photo Voltaic Cell
• Characteristics of Phode Diode

Siemens Simatic PLC Demonstration Trainer (VPL-PLCT-S200) can control a wide variety of devices to support your automation needs. The Siemens PLC monitors inputs and changes outputs as controlled by the user program, which can include Boolean logic, Counting, Timing, Complex math operations and Communication with other intelligent devices. The compact design, flexible configuration and powerful instruction set combine to make the PLC a perfect solution for controlling a wide variety of applications. Specifications :

• Timers : 128
• Counters : 128
• Input current : 70/35 mA at 120/240 VAC
• Resolution : 11 bits plus 1 sign bit
• Communication Port : RS-485/RS-232
• Real Time Clock : Built in
• Interface Cable and document support

Experimental ModulesFollowing static process simulator board/model setup are required to test the developed programmes :

• Water Tank level control & Reaction Vessel with sensors to detect different levels of water and switch off the water supply (Logic Controlled). This Module is provided along with the water tank and sensors, required accessories.
• Reaction Vessel to control the temperature of water set by the Thermostat at a particular temperature by the user.
• Seven segment display simulator for displaying a message.
• Temperature Control controls the set temperature by switching ON/OFF relay. The temperature is displayed in the Hyperterminal
• Lift control with experimental model of lift which is truly operational, totally controlled by manual switches to select the floors.
• Pick & place control
• Sequential switching of motors with two nos. of 220V AC/5A output to connect motor (motor not provided).
• Conveyer Belt System and Pneumatic Control 3 cylinders with optical sensor and conveyer belt.

We have carved a niche in this industry for offeringAnalog to Digital Converter Trainerto our most precious patrons. This range is prepared by the professionals who have expertise in this domain. Also, it is prepared in adherence to the set industry principles.

We have carved a niche in this industry for offeringAnalog to Digital Converter Trainerto our most precious patrons. This range is prepared by the professionals who have expertise in this domain. Also, it is prepared in adherence to the set industry principles.

Technical Specifications:

1. 4 bit discrete (ramp)

2. 8 bit monolithic converter

Experiments that can perform:

• A discrete component realization of ramp A/D counter converter
• 8 bits monolithic A/D converter

• 10 nos. of TTL compatible logic level inputs.
• TTL logic selectable by a toggle switch.
• Logic HIGH and logic LOW are displayed by dual color LED.
• Four crystal generated clock output of 1MHz, 1KHz, 10Hz, and 1Hz.
• Facility for single pulse generation by a push button switch.
• Logic probe to check logic LOW, logic HIGH and pulse.
• Four seven segment displays with BCD inputs.
• Facility of segment control on two displays.
• Sockets onboard to fix the ICs : 16 pin-4nos., 20 pin- 2 nos., 28 pin-6 nos., 40 pin-2 nos.
• 2 nos. of 14 pin general purpose area provided for soldering descrete components.
• Two nos. of 26 pin connectors for input/output connection with Microprocessor kit through 8255.
• Built-in Power supply : 5V, 1Amp, +12V, 250mA.

Measurement System :

• a] Weights
• b] Transducer with electronic instrumen tation.

The VPL-DAS is a powerful Data Acquisition System speciallydesigned for VPLs series of Data Acquisition Modules. TheSystem consists the following modules:

832-Channel Thermocouple Input (I-7018)

• 256 modules in one RS-485 network without Repeater
• 3000 V isolation
• Multiple Baud Rate
• Multiple Data Format
• Self Tuner inside

Digital I/O Module (I-7050)

• Safe value (when Host fail or communication fail)
• Power on preset value
• Dual Watchdog Timer

FEATURES

• It has hardware block for doing various experiments:
  • - Mic input with conditioning circuit.
  • - Keyboard matrix (4x4) for scanning the key codes.
  • - Audio output on Headset.
  • - SIM socket.
  • - Buzzer.
• With buzzer provides for incoming call.
• External antenna for capturing the incoming signal.
• In-built power supply.

Pioneers in the industry, we are engaged in offering a wide and high-quality assortment ofDigital Lab Trainer VPL-DL-3030 (Digital Electronics Trainer)to the clients. The entire range is tested over the grounds of quality parameters to ensure the delivery of flawless products to the clients premises.

Pioneers in the industry, we are engaged in offering a wide and high-quality assortment ofDigital Lab Trainerto the clients. The entire range is tested over the grounds of quality parameters to ensure the delivery of flawless products to the clients premises.

Salient Features:

• Hi Quality Bread board.
• Ready to use circuit boards (optional)
• On Board DC power supply
• On Board 1 MHz Pulse Generator
• Pulser switches, 8 bit data switches
• Bicolor LED display & Logic probes
• BCD to seven segment display
• More than 25 designed experiments for breadboard.
• Fictional blocks indicated on board mimic.

This is also the basic Trainer in Communication Lab Series. Frequency Modulation & Demodulation TrainerVPL-CT-FMis widely demanded for perfect performance. This range is prepared in line with the set industry standards.

Technical Specifications:

• To study the Frequency Modulation & Demodulation
• Circuit diagram printed on pcb
• On-board Carrier Generator
• On-board Modulating Function (Signal) Generator with variable amplitude & frequency
• On-board Frequency Modulator
• On-board Frequency Demodulator
• On-board potentiometer for varying depth/percent of modulation
• 220V 10%, 50Hz mains operated
• Enclosed in an attractive ABS plastic cabinet with cover

This productVPL-CT-DCTis Digital Communication Trainer for demonstration and learning ASK, PSK, FSK modulation & demodulation experiments.

Technical Specifications:

• It demonstrates ASK, FSK & PSK Modulation & Demodulation techniques.
• Circuit diagram printed on PCB.
• On-board synchronized Source.
• On-board Modulating Function (Signal) Generator with variable amplitude & frequency.
• On-board ASK, FSK, PSK Modulator.
• On-board ASK, FSK, PSK Demodulator.
• On-board potentiometer for varying depth/percent of modulation.
• Interconnection: 2/4mm banana sockets.
• DC Supply: Built-in IC regulated power supplies.
• 220V 10%, 50Hz mains operated.
• Enclosed in an attractive ABS plastic cabinet with cover.
• Standard Accessories: Users Manual with patch cords.

This is our broad spectrum of Analog Communication Trainer. These products are passed through various parameters to ensure high efficiency. These are broadly praised for their trouble-free functionality that positions our product far ahead of our competitors.

Technical Specifications:

• It demonstrate AM, FM & PM (Phase Modulation) Modulation and Demodulation techniques
• Circuit diagram printed on pcb
• On-board synchronized Source
• On-board Modulating Function (Signal) Generator with variable amplitude & frequency
• On-board AM, FM, PM Modulator
• On-board AM, FM, PM Demodulator
• On-board potentiometer for varying depth/percent of modulation
• Interconnection: 2/4mm banana sockets
• DC Supply: Built-in IC regulated power supplies
• 220V 10%, 50Hz mains operated
• Enclosed in an attractive ABS plastic cabinet with cover

VPL Power Electronics Lab is used to perform all the powerelectronics circuit experiments. It is very useful in power electronicslaboratory for performing different experiments. It helps the studentto know about the characteristics of power electronics devices andtheir applications. The applications of power devices are in alarmcircuit, lamp flasher, rectifiers, choppers, inverters, etc. The trainerconsists of different functional blocks marked clearly for easyunderstanding.

• Study of the V-I characteristics of IGBT
• Study of the V-I characteristics of MOSFET
• Study of the V-I characteristics of SCR
• Study of the V-I characteristics of UJT
• Study of the V-I characteristics of DIAC
• Study of the V-I characteristics of TRIAC
• Study of the V-I characteristics of PUT
• Study of R triggering circuit
• Study of the half wave controlled rectifier with R load
• Study of the fully controlled Bridge rectifier with R load.

• AC Phase Control Circuit (PET-ACP)
• Power Electronics Trainer/Basic Electronics Trainer (DL-BET)
• Study of 3 Phase Half wave/Full wave Controller Rectifier (PETFHCR)
• Jones Chopper Circuit (PET-JCC)
• Series Inverter (PET-SI)
• Parallel Inverter (PET-PI)
• Speed Control of 3-Phase Induction Motor (PET-TPIM)
• R-RC Triggering Circuit (PET-RRC)
• Commutation Circuit Trainer (PET-CCT)
• Rectifier Trainer (PET-RTK)
• SCR Characteristics (PET-SCR)
• DIAC Characteristics (PET-DIAC)
• TRIAC Characteristics (PET-TRIAC)
• SCR/TRIAC/DIAC characteristics (3 in 1) Trainer (PET-SCR/DIAC/TRIAC)
• FET Characteristics (PET-FET)
• MOSFET Characteristics (PET-MOSFET)
• UJT Characteristics & UJT Firing (PET-UJT)
• Speed Control of DC Motor (Open Loop) (PET-SCDC-OL)
• Speed Control of DC Motor (Close Loop) (PET-SCDC-CL)
• Power Electronics Fundamentals Trainer (VPL-PEL-LAB)
• Power Electronics Control Unit (VPL-PEL-CU)
• Power & Industrial Electronics Trainer (VPL-PIET)
• Trainer for Power Electronics Components Characteristics
• Trainer for UJT & PUT Firing Circuit
• Trainer for PUT Experiments
• Trainer for TRIAC Overflow Experiments
• Trainer for SCS, Temperature Ratio & Touch Control Experiments
• Trainer for AC/DC Motor Control using SCR
• Trainer for various Turn ON Techniques for SCR
• Trainer for Speed Control Experiments
• Trainer for Over Voltage Under Voltage Breaker and FlasherControl Experiments
• Trainer for IC Timer Switch Experiments using IC 555
• Trainer for SCR Commutation Techniques
• Trainer for Digital Signal Driver, Zero Voltage Switch AdvanceFiring Scheme Experiments
• Trainer for SCR Inverter Experiments
• Trainer for SCR Converter Experiments (Half wave)
• Trainer for SCR Converter Experiments (Full wave)
• Trainer for SCR based Choppers
• Trainer for IGBT/MOSFET Inverter Experiments
• Trainer for Mc Murray Half Bridge Inverter
• Trainer for Jones Chopper Experiments
• Trainer for Three Phase Fully Controlled Converter
• Trainer for Three Phase Half Controlled Converter
• Trainer for Series Inverter Experiments
• Trainer for Cyclo Converter Experiments

Pioneers in the industry, we are engaged in offering a wide and high-quality assortment ofAnalog Lab Trainer VPL-AL-3030 (Analog Electronics Trainer)to the clients. The entire range is tested over the grounds of quality parameters to ensure the delivery of flawless products to the clients premises.

Salient Features:

• Hi Quality Bread board.
• Ready to use circuit boards (optional)
• On Board DC power supply
• On Board Function Generator
• On Board Modulation/Audio Generator
• On Board Continuity Tester/Buzzer
• On Board Toggle Switches
• More than 20 designed experiments for breadboard.
• Fictional blocks indicated on board mimic.

• study of meausrement of inductive pickup transducer.
• board RPM meter for measurement of speed.
• On-board potentiometer for varying speed (0-2400 RPM).
• board inductive sensor and DC motor with shaft.
• On-board signal conditioning circuit.
• Test points are provided at different stages.
• DC Supply: Built in IC regulated power supplies.
• 220V 10%, 50Hz mains operated.
• Enclosed in an attractive ABS plastic cabinet with cover.

All the above specification remain same including :

• Study of inductive pickup transducer for distance measurement.
• Onboard DPM meter for measurement of distance & count.
• On-board push button to reset the count.

SALIENT FEATURES

• PAM PPM PWM Modulation & Demodulation techniques, using natural & Flat top sampling.
• Analog sample, sample & Hold and Flat Top output.
• Selectable 4 different sampling pulse frequencies on board.
• Voice communication using dynamic microphone & speaker.
• On Board Filter and AC Amplifier.
• 8 switched faults.

TECHNICAL SPECIFICATIONS

• Pulse Modulation Techniques :
• Pulse Amplitude Modulation
• Pulse Width Modulation
• Pulse Position Modulation

LIST OF EXPERIMENTS

• PAM using Natural & Flat Top sampling.
• Sample & Hold Flat Top Output in PAM.
• PPM Using DC & AS (sine wave) Modulating signals.
• Pulse Position Demodulation.
• Pulse Width Modulation & Demodulation.

OPTIONAL ACCESSORIES

• Multimedia interactive computer based training manual.

Pulse Amplitude Modulation & Demodulation Trainer is precisely prepared by the professionals using premium quality components under strict guidelines.

Technical specifications:

• To study the Pulse Amplitude Modulation & Demodulation
• Circuit diagram printed on pcb
• On-board Carrier Generator
• On-board Modulating Function (Signal) Generator with variable amplitude & frequency
• On-board Pulse Amplitude Modulator
• On-board Pulse Amplitude Demodulator
• On-board potentiometer for varying depth/percent of modulation
• 220V 10%, 50Hz mains operated
• Enclosed in an attractive ABS plastic cabinet with cover

• Study of Ultarasonic Transducer for distance measurment
• 220V 10%, 50Hz mains operated
• Enclosed in an attractive ABS plastic cabinet with cover
• Buzzer indicator

TECHNICAL SPECIFICATIONS

• To study the DPSK Modulation & Demodulation.
• Circuit diagram printed on PCB.
• On-board Carrier Generator.
• On-board Modulating Function (Signal) Generator with variable amplitude & frequency.
• On-board DPSK Modulator.
• On-board DPSK Demodulator.
• On-board programmable word generator : cyclic 8-bit word.
• 220V 10%, 50Hz mains operated.
• Enclosed in an attractive ABS plastic cabinet with cover

The TMS320C6713 Laboratory Board (DSP 6713) (DSK) is a low-cost development platform designed to speed the development of high precision applications based on TI's TMS320C6000 floating point DSP generation. The Laboratory Board (DSP 6713) uses USB communications for true plug-and-play functionality. Both experienced and novice designers can get started immediately with innovative product designs with the DSK's full featured code composer studio IDE and eXpres DSP software (optional) which includes DSP/BIOS and reference frameworks. All users will benefit from the express DSP for dummies textbook featured for the first time in this DSK. The Laboratory Board (DSP 6713) includes

• 3.5mm audio jacks for line in and line out
• 2M Flash and 16MB SDRAM
• HPI/GPIO port connector
• MC Bspi Port connector
• On board standard IEEE Jtag interface via USB
• +5 V universal power supply
• Analog interface for data conversion (AIC)
• Experiments workbook
• Code composer studio IDE

JTAG Emulator Features

• USB2.0 full use of standard computer interface connector
• Completely plug-and-play
• Transmission speed of up to 480 Mbps
• Compatible with USB 1.1 agreement
• 14 Pin Jtag simulation interface
• Support windows 98 / NT/2000/XP operating system
• Support TI CCS V2.0, V2.1, V2.2, support CCS3.1, CCS3.2, CCS3.3 central integrated development
• Habitat to support c language and assembly language
• Off-target system resources to support the number of DSP debugging simulation at the same time

TECHNICAL SPECIFICATIONS

• To study the Time Division Multiplexing & Demultiplexing
• Circuit diagram printed on pcb
• Data Generator 1 K b/s/Channel
• Low High, Logic Low sources
• Time Division Multiplexer
• Time Division Demultiplexer
• LED indication for channel outputs
• 220V 10%, 50Hz mains operated
• Enclosed in an attractive ABS plastic cabinet with cover

TECHNICAL SPECIFICATIONS

• To study the QPSK Modulation & Demodulation.
• Circuit diagram printed on PCB.
• Built in Carrier Generator.
• Built in Modulating Signal Generator.
• QPSK Modulator.
• QPSK Demodulator.
• 220V 10%, 50Hz mains operated.
• Enclosed in an attractive ABS plastic cabinet with cover.

TECHNICAL SPECIFICATIONS

• To study the QPSK Modulation & Demodulation.
• Circuit diagram printed on PCB.
• Built in Carrier Generator.
• Built in Modulating Signal Generator.
• QPSK Modulator.
• QPSK Demodulator.
• 220V 10%, 50Hz mains operated.
• Enclosed in an attractive ABS plastic cabinet with cover.

SALIENT FEATURES

• Crystal controlled Clock.
• On Board Sine Generator (Synchronized).
• On Board Pulse Generator.
• 4 Analog input Channels samples and Time Division Multiplexed.
• Pulse Duty cycle selected.
• 4 Channel De multiplexer.
• Generation of clock at Receiver by PLL system.
• 4th order Butterworth L.P. Filters.

LIST OF EXPERIMENTS

• Pulse Amplitude Modulation technique.
• Time Division Multiplexing and De multiplexing.
• PLL as Frequency Multiplexer to Generate clock from Sync signal.
• 3 modes of operation to generate original signal.
• 3 connections between transmitter & receiver (Clock, Sync & Information).
• 2 connections (Information, Sync) Clock gen. at receiver.
• 2 connection (information only), clock and Sync derived at receiver.
• Effect of varying duty of sampling pulse on signal reconstruction.

OPTIONAL ACCESSORIESMultimedia interactive computer based training manual

SALIENT FEATURES

• Crystal controlled Clock & Sine Generator (Synchronized)
• 2 TDM Analog channels
• Error Check code option (Odd Even parity, Hamming code)
• 4 switched faults can be used for error check & fault simulation.
• PC PC communication via RS 232

On Board Generators:

1. Adjustable Amplitude sine Generator of 500Hz & 1KHz (synchronised)1 & 2 KHz synchronized frequency (optional)
2. Variable Amplitude DC Level (2 nos.)

LIST OF EXPERIMENTS

• Pulse Code Modulation
• A/D Converter, Parallel to serial Data conversion
• Time Division Multiplexing of PCM Data
• Synchronization by Pseudo random code Error check codes with switched faults
• Connecting modes between transmitters & receiver
• i) Sync, clock, data line connected
• ii) Clock, data connected Data Only
• PC PC communication in 3 modes

OPTIONAL ACCESSORIESMultimedia interactive computer based training manual

The micro logic 1000 PLC Trainer can control a wide variety of devices to support your automation needs. The Programmable Logic Controller monitors inputs and changes output as controlled by user program which can include Boolean Logic, Counting, Timer, Complex math operations. The compact design, flexible configuration and powerful instruction set combine to make the Programmable Logic Controller a perfect solution for controlling a wide variety of applications. The MicroLogix 1000 family provides small, economical programmable controllers. They are available in configurations of 10 digital I/O (6 inputs and 4 outputs). The I/O options and electrical configurations make them ideal for many applications. In front panel, user can connect no. of inputs and outputs & also user can observe 4 switches (2 ON/OFF, 2 Push buttons) and 4 indicators with +12V & GND. And by using above configuration user can write variety of programs. Specifications

• I/O Channels
  • Total Points - 10
  • Inputs - 6
  • Outputs - 4
• Input : DC Input
• Output : Relay Output; MOSFET Sourcing

System Specifications

• Number of Instructions : 737
• Computer Interface : Multiple Serial Interface
• Software : RSLogix 500
• Maximum Counting
• Mounting Options : DIN Rail
• Agency Approval : cULus Listed, CE, Class 1 Div. 2

Benefits

• Compact design : Lets the MicroLogix 1000 controller thrive in limited panel space.
• Choice of communication networks : An RS-232-C communication port is configurable for: DF1 protocol for direct connection to a programming device or operator interface; DH-485 networking through a 1761-NET-AIC converter; DeviceNet networking through a 1761-NET-DNI interface; EtherNet/IP networking through a 1761-NET-ENI interface; or for halfduplex slave protocol in SCADA applications.
• Simple programming with your choice of programming device : You can program these controllers in familiar ladder logic with MicroLogix 1000 A.I. Series Software
• Comprehensive instruction set : Over 65 instructions including simple bit, timer, and counter instructions, as well as instructions for powerful applications like sequencers, highspeed counter, and shift registers.
• Fast : Execution time for a typical 500-instruction program is only 1.56 ms.
• Choice of languages : Software and documentation are available in 5 languages. The hand-held programmer has 6 languages built in.

Interface Modules for Student Project (Optional)

• Sequential motor starter interface : This is used to show the sequential starting of motor i.e. one after another.
• Star /delta starter interface : This interface is used to show the conversion of motors star connection to delta so as to achieve the secure operation & high speed.
• Car parking interface : This interface is used to show the parking system of cars.
• Water level controller : This interface is used to show the controlling of water level in tank and also explain the concept of level sensor.
• Piston cylinder interface : This interface is used to show motion of piston in cylinder to understand how engine works.
• Reaction vessel interface : This interface is used to show to functioning of dairy industry.
• Resistance welding interface : This interface is useful to understand the concept of welding process.