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TENDER NOTICE FOR DEPARTMENT OF INSTRUMENTATION AND

CONTROL ENGINEERING

Dharmsinh Desai University, Nadiad

Sealed quotations are invited for the purchase of the items as under for Department of Instrumentation and Control Engineering , so as to reach the undersigned on or before 27-06-2015(Saturday).

(Dr. H. M. Desai) Vice Chancellor

LIST OF EQUIPMENTS(For detailed Specifications click on the link) Sr.No. Item Quantity Specifications 1 Level Trainer 1 IC/2015/001 2 Flow Trainer 1 IC/2015/002 3 Pressure Trainer 1 IC/2015/003 4 Temperature Trainer 1 IC/2015/004 5 Automation Trainer kit

1 IC/2015/005

6 Batch Process Reactor

Automation kit

1 IC/2015/006

7 I/O kit with Controller

4 IC/2015/007

8 Data Acquisition Trainer 1 IC/2015/008 9 Control Valve Trainer with

modular I/P and P/I 1 IC/2015/009

10 PID controller characteristics

1 IC/2015/010

11 Pneumatic Trainer 1 IC/2015/011 12 Control Valve cut sections 1 IC/2015/012

All the communications and transactions should be in favor of “The Vice Chancellor, Dharmsinh Desai University, Nadiad” Each envelope should be superscribed with “ Tender for Instrumentation and Control

Engineering Department”

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The quotation should be sent to following address in sealed covers.

The Vice Chancellor Dharmsinh Desai University, P.O.Box No. 35, College Road, Nadiad- 387001 Last date of submitting quotations is 27-06-2015 (Saturday).

Terms and conditions- (1) The vendor must provide “Certificate of authorization” if the vendor is not a manufacturer.

(2) Total Price quoted should be including of packaging, transportation, installation, insurance,

demonstration charges and as F.O.R. D. D. University, Nadiad

(3) Price quoted should be including all accessories like oils, stands etc. needed to run the set ups & also

all taxes, government levies, excise duty if applicable, any other charges should be specified clearly.

(4) Delivery : Within 8 weeks, 0.5% of P.O. value per week penalty on Late Delivery.

(5) Warranty: 3 years warranty of free of cost replacement.

(6) Payment: 100% payment after satisfactory installation and demonstration and training of the

equipment supplied. No advance payment.

(7) If the goods supplied fail to justify prescribed specifications the same will have to be taken back by

the supplier with no cost implication to D.D.University.

(8) Validity: Quotation should be valid for 45 days from last date of opening of tender.

(9) Terms and condition will be as per the purchase order only and duly signed and agreed upon by

supplier.

(10)All calibration certificate of the standard equipment should be submitted at the time of delivery with

validity of 1 years.

(11)User manuals (hard and soft copies) and other relevant licensed version softwares should be

provided with instrument.

(12)Manuals (Hard copy and soft copy both) with specimen calculations of the experiments and

performance curves for the test set ups should be provided.

(13)On site inspection is to be done at cost of supplier.

(14)Following documents are to be submitted along with quotation-

a) Detail specifications

b) Wiring and P&ID diagram

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1. Level Trainer

(A)

Level Sensor : 1)Differential Pressure Transmitter type output 4-20mA

2) Ultrasonic sensor, combined with displacer with rotary pot wheel &

float transducer for local display(accuracy within ±1%)

Measuring Tank: Capacity 10-15 Liters, with side mounted head indicating scale,

acrylic.

Rotameter : 10-100 LPH

Control Valve: Globe 2 Way ½", with diaphragm type actuator, Total stem travel

18mm, Air operated, 3 to 15 PSI pressure.

Air Regulator : ¼" BSP, for 0 to 15 PSI pressure

I/P Converter : 4 to 20 mA input output 3 to 15 PSI

with RS 232 Serial Interface to PC with modbus (RTU / ASCII)connectivity ADC/DAC

Card : 12 bit resolution, 8 input 1output

Dedicated Data Acquisition System: Processor i3, RAM 4GB,500GB hard drive, DVD

Drive, 18” LCD display which support LABVIEW based level display for Data collection,

Trend plot, Offline, Analysis and Printing, with licensed copy of requisite software.

Printing device: Mono color, inkjet printing from branded company

(B) Close loop controller

Add one close loop PID controller for level control experiment using PID based

ON/OFF and continuous control

Provide Facility of Manual and Auto Control

Facility to change Kp, Kd and Ki with auto/manual tuning of parameter

Facility to measure process lag, measurement lag and controller lag with indication

Facility to change the process disturbance

Provide Modbus-RTU /Modbus-ASCII connectivity to record PV, SP , Error and

Manipulated variable in % and real value range

Facility to bypass the controller and third party controller should be easily interfaced

with same trainer

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2. Flow Trainer

(A)

DP Transmitter : Range 0 to 500 mm of WC with output 4 to 20 mA ( accuracy within

±1%)

Sensor: Orifice, venturi, flow nozzle Meter : Stainless Steel

orifice bore size and other specs-- type- UC line size -1/2" Flange-raised face Material- SS(316/316L) Thickness-3.2mm Bore-Standard with drain /vent hole venture specs beta- 0.5-.75 throat-1.034-1.550" flange type SS flow nozzle specs beta- 0.2-0.8 standard specifications for 1/2" pipe

Rotameter : 60 - 650 LPH

Control Value: Globe type, 2 Way, ½" with diaphragm type actuator, Total stem travel

15mm, Pneumatic operated, 3 to 15 PSI pressure.

I/P Converter : 4 to 20 mA input output 3 to 15 PSI

ADC/DAC Card : 12 bit resolution, 1 input 1output with RS 232 Serial Interface to PC

with modbus (RTU /ASCII)connectivity

Flow totalizer with Profibus and Modbus Interface with one retransmission and

(mass/volume) for volumetric flow and mass flow. So, students will have very clear

idea about mass flow and volumetric flow. Need to include density correction in

mechanism

One close loop control with PID and feed forward control with all necessary control

Indication of Valve Position in form of 4-20mA signal at least in one trainer

Facility to bypass the controller and third party controller should be easily interfaced

with same trainer

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3. Pressure Trainer

Pressure transmitter : 5 Kg / cm2 strain gauge based with output 4 - 20mA ( accuracy

within ±1%)

Bourdon tube type for local display: Stainless steel

Pressure tank : 2 Liter Capacity, SS

Control Valve : Globe type, 2 Way, ½" With diaphragm type actuator, Total stem

travel18mm,Air operated, 3 to 15 PSI pressure

Air Regulator : ¼" BSP, 0 to 15 PSI pressure

I/P Converter : 4 to 20 mA input output 3 to 15 PSI

ADC/DAC Card : 12 bit resolution, 1 input 1output with RS 232 Serial Interface to PC

with modbus (RTU and ASCII)connectivity

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4. Temperature Trainer

(A)

Sensor: Thermocouple J with room temp. calibration pot. mA ( accuracy within ±1% of

TV)

Thermocouple K with room temp. calibration pot.

Thermister(100K), PT100, IC sensor (AD 590) Bimetallic switch

Capacity: 0-100 degree C Output-4-20mA

Water Heater: 3kw at 1 to 2 LPM Maximum 100 degree centigrade.

Water Circulation: FHP pump with necessary piping Source Tank: SS Tank of capacity

20 ltrs (approximately)

Thyrister Card: Thyrister power controller capacity 3 KW, Input-4-20mA Output 0 to

230 V AC.

Water Controller: Manual control valve to control water flow rate.

Power: 230V 50 Hz.

Measurement: PC based dedicated software to Trend plot with online and off line.

Printing and analysis.

Accessories : -Digital Temperature Indicator with Retransmission output

-Hot air Oven of 12” x 12” (upto 200 Deg C) in lieu of Water Heater

(B)

Add one close loop PID controller for level control experiment using PID based

ON/OFF and continuous control

Provide Facility of Manual and Auto Control

Facility to change Kp, Kd and Ki with auto/manual tuning of parameter

Facility to measure process lag, measurement lag and controller lag with indication

Facility to change the process disturbance

Provide Modbus-RTU / Modbus-ASCII connectivity to record PV, SP , Error and

Manipulated variable in % and real value range

facility to bypass the controller and third party controller should be easily interfaced

with same trainer

BACK

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5. Automation Trainer kit

PLC: of well known brand ( Preferred makes- Allenbradely, Siemens, Modicon)

User Interface- HMI/SCADA of well known brand and compatible with PLC

( Preferred makes- Allenbradely, Siemens, Modicon, ABB, Mitsubishi)

TECHNICAL SPECIFICATION(Field Devices)

DI- 16 Nos including few switches, photo cell, limit switches, proximity

switches, load cell switch and some process switch

DO- 16 Nos including lamps, PMDC motors, stepper motor, solenoid,

annunciater

Sr.No. Input type

Nos. Specifications

1 DI 4 toggel switch 2 DI 2 Push Button (NO) 3 DI 2 Push Button (NC) 4 DI 2 Limit switch 5 DI 2 Proximity

Switch(PNP/NPN, depending upon I/P module spec. of PLC)

6 DI 01 Photo sensor 7 DI 01 Level switch 8 DI 01 Temp switch 9 DI 01 Press switch

Sr.No. Output type

Nos. Specifications

1 DO 8 LED 2 DO 2 Alarm 3 DO 2 Solenoid Valve 4 DO 1 stepper motor 5 DO 1 AC motor 6 DO 2 Relays

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AI- 4 Nos which may include-pot, process sensor(flow, temperature, level,

pressure)

Sr.No. Input type

Nos. Specifications

1 AI 2 Potentiometer 2 AI 1 Temp

teansmitter 3 AI 1 Level

Transmitter

AO-4 nos which includes digital current meter, digital voltage meter terminals,

I/P convertor, Heater with PWM input unit

Software; Licensed software for Programming and interfacing with

programming unit

Communication Cable (compatible for PC-PLC data exchange)

PMDC Motor :- 12V DC , 1500 RPM, 1.5 Amp, Torque: ½ Kgcm, Wall Horizontal

Alarm Annunciator :- 230 V AC, 4 Window, Reset; Accept Function

Optical Encoder :- Shaft Encoder

Stepper Motor :- 24VDC, 30rpm, 2.6 kgcm

Proximity Sensor :- Type: Inductive, 3 Wire, Sensing Distance: 5 mm, 24 VDC

Indicating Lamp :- 24 V DC, LED type, 16mm cut out (Red, Green & Amber)

MCB :- 230 V AC, 10 Amp, Single Pole

Limit Switch :- Lever Type, Single C/O, AC/DC Operated.

Toggle Switch :- 2SPST, 2SPDT, 6 Amp AC/DC Operated.

Provide facility to bypass the connection from KIT and remote interfacing

through TBs

BACK

Sr.No. Output type

Nos. Specifications

1 AO 2 Digital Voltmeter

2 AO 2 Digital Currentmeter

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6. Batch Process Reactor Automation kit

Stepper Motor :- 24VDC, Speed: 0- 60rpm, Torque: 10/20kgcm

Reactant Tank :- 10” X 10”X10”, SS

Miniature Heater :- 1000W, 230VAC

Proximity Sensor :- Type- Inductive, 3 wire, Distance 7mm, 24 V DC

Process Tank: - 6”X6”X12” (P.P.) (Quantity: 2 nos.)

Stirrer :- 230VAC, 2 Speed

Thermostat :- 24V DC, Range 30-110°C.

Level Switch :- Magnetic Type, Float operated, NO Contact,24VDC Operated

Solenoid Valve :- 24VDC, 6mm Orifice, 1/4 ”size

Power Supply :- I/P = 230 VAC, O/P = 24 V DC, 3A

Conveyor Belt :- 70mm X 1225mm (Red)

Switches :- Mains, 6 Amp (Red)Rocker Switch, 16 Amp (Red)

Relay Card :- 24V DC, 1C/O (2 nos.)

Electrical Control Panel :- MS Powder coated panel with switches, indicator, test

Points, PLC on front facia, UK 2.5 Terminal Connectors mounted on DIN rail channel,

Use of 1sq mm multi-strand wire with proper insulated Lugs, Feruling & neat wire

dressing & clamping. Wires & power cables are seated through PVC cable tray.

MMI for interface with field signals. Software; For Programming and interfacing with

programmer unit

Communication Cable

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7. I/O kit with Controller

PLC unit of modular construction (of well known standard Make)

I / O Capacity :

Analog : 2 channel, 2 input (potentiometers )+ 2 output.

Digital : 08 channel input ( push buttons NO/NC, Toggle switches)+08 channel output

(LED)

Input Voltage: 24V DC for relay operation.

Indication :

Input : 8 LED indication on panel.

Output : 8 LED indication on panel.

PC Link : UP / DOWN loading from PC through RS232 link.

Software : Documentation support software on CD( with ladder diagram licensed

programming software ).

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8. Data Acquisition Trainer

Input Transducers (16 input channels)

Resistance Transducers for applications in angular or linear position: Linearly

sliding potentiometer. Rotary carbon-track potentiometer. Rotary coil

potentiometer. Precision servo- potentiometer. The Wheatstone bridge circuit.

Applications of temperature: NTC (Negative Temperature Coefficient)

Thermistors. RTD Sensor (Platinum Transducer with Temperature dependent

Resistance). Temperature sensor IC “Integrated Circuit LM 335”. Type “K”

Thermocouples.

Applications of light: Photovoltaic Cell. Phototransistor. Photodiode PIN.

Photoconductive Cell.

Linear position and force: Linear Variable Differential Transformer LVDT.

Environmental measurements: Air flow Sensor. Air pressure Sensor. Humidity

sensor.

Rotational speed and position control: Slotted optoelectronic Sensor. Opto-

reflective Sensor. Inductive sensor. Hall Effect Sensor. Permanent D.C. magnet

Tachogenerator.

Sound measurements: Dynamical microphone. Ultrasonic receiver.

Output Transducers: (16 output channels)

Electrical Resistance.

Incandescent Lamp.

Applications for the sound output:Buzzing (Buzzer). Mobile coil loud speaker.

Ultrasonic transmitter.

Applications of linear or angular motion:D.C. Soleinod. D.C. Relay. Solenoid

Valve. Permanent Magnet D.C. Moto

Signal Conditioners:

D.C. Amplifiers, A.C. Amplifier, Power Amplifier, Current Amplifier. Buffers.

Inverting Amplifier. Differential amplifier.

V/F and F/V Converters. V/I and I/V Converters.

Full Wave Rectifier. Hysteresis convertible Comparator.

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Electronic switch. Oscillator 40 kHz.

Filter 40 kHz. Time-constant convertible Low Pass Filter. Circuit with

Mathematical Operation: Adding amplifier. Integrator with different time

constants. Differentiator with different time constants. Instrumentation

Amplifier. Circuit SAMPLE &HOLD Amplifiers

Output of all sensors should be calibrated in the range of 1-5V.

For all sensors accuracy within ±1% of TV is desired.

Display System: Processor i3 , RAM 4GB , 500 GB Hard drive, DVD Drive, 18” LCD

display which support LABVIEW based flow display for Data collection, Trend plot,

Offline, Analysis and Printing, with licensed copy of requisite software.

BACK

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9. Control Valve trainer with I/P and P/I

The Control Valve Characteristics trainer should consist of the following equipment in the loop:

Water Storage Tank

Capacity : 25 Lits

M.O.C. : SS 304

Pump

Capacity: ½ HP

MOC: SS Body, suitable for Water

Compressor

Rotary vane

Capacity: 4 hp

Max pressure: 20 psi

Linear Pneumatic Control Valve

Type: Air to Open

Body type: Globe Valve

Input: 3-15 psi

Equal Percentage Pneumatic Control Valve

Type: Air to Open

Body type: Globe Valve

Input: 3-15 psi

Quick opening Pneumatic Control Valve

Type: Air to Open

Body type: Globe Valve

Input: 3-15 psi

I to P converters

Input: 4-20 mA

Output: 3-15 psi

Supply pressure: Filtered air with pressure regulator upto 30 psi

Current Supply instrument: for I/P converter with Power supply: 230V Ac

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Pressure Indicator: 0-30 psi, Zero Suppression Up to 30% of calibrated span.

with +/- 2% accuracy. Externally adjustable

Current Indicator: 4-20ma suitable indicator with +/- 2% accuracy

P to I converters

Input: 3-15 psi

Output: 4-20 mA

Supply pressure: Filtered air with pressure regulator upto 30 psi

Current Supply instrument: for I/P converter with Power supply: 230V Ac

Pressure Indicator: 0-30 psi, Zero Suppression Up to 30% of calibrated span.

with +/- 2% accuracy. Externally adjustable

Current Indicator: 4-20ma suitable indicator with +/- 2% accuracy

Bypass Valve: for bypassing in case of service or maintenance

Rotameter: for metering

Range : 0-200 LPH

Service : Water

Float Material : SS304

Body : Acrylic

Process connection : Flanged

Hand valves: for shutoff

U-Tube mercury manometer: for differential pressure measurement

Type : “U” Tube.

Range: 0-150

Working Fluid : Mercury

Air Pressure regulator

Service: Air

Indicator: Pressure Gauge

Max. Pressure 10kg/cm2

Piping and support structure

The following experiments should be performed by the above instrument

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Control Valve Characteristics (pneumatically operated without I/P)

Control Valve Characteristics (with I/P)

Study of I/P and P/I

Control Valve operated by external PID controller

BACK

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10. Characteristics of PID controller

PID controller (2 nos.):

Input: 4-20mA / 0-10V,

Output: 4-20mA / 0-10V,

Communication: RS232, RS485 & ASCII/ RTU Modbus Protocol,

Autotuning, Auto/Manual mode

Display: 5 Digit display for PV, SP, MV

Powerful graphics with trend and bar page.

Bar graph with 2% resolution PV & Deviation, Plot chart

Power Supply: 230V AC, 50Hz 5Amp

Interface and communication

Computer: Suitable Software for viewing plots; For Programming and

interfacing with programming unit(Processor i3 , RAM 4GB , 500 GB Hard drive,

DVD Drive, 18” LCD display, printing device)

Communication Cable (compatible for data exchange between controller)

Panel

A knob to vary the input to the controller

Standard test input buttons to generate test signals: Ramp, Sinusoidal and Step

Modular connections to connect controller error input to either an external

process or on panel buttons with banana pins

Other requirements

Auto/ Manual Control mode.

Live mimic diagram of a process including SP, OP, and PV.

Online data display in tabular chart and graphical form,

Bumpless transfer between open and closed loop operations,

Alarm function

Data printing or recording facility on a pendrive.

Event Recording function.

The following experiments should be performed by the above trainer

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Controller actions: P, PI and PID

Controller tuning

Response of controller to different inputs : Step, Sinusoidal, Ramp or generated by a knob from the

panel

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11. Pneumatic trainer

Panel

Facilitate mounting the pneumatic circuit and valves on the panel frame

On board supply for solenoid actuation 24V/12V with multiple (15 nos.) take off

points

Relay board with 4 (multiple) contacts with NC/NO connections (5 nos.)

Wheels for mobility

Power Supply: 230V AC, 50Hz 5Amp

Components

Air filter Regulator & Lubricator Unit (FRL Unit)

Pressure Manifold with 4 ON /OFF valves for multiple connections

Single Acting Cylinder (2 nos.)

Double Acting Cylinder (2 nos.)

3/2 Way Disc Rotary Valve (1 no.)

3/2 Way Pilot Operated Valve (1 no.)

5/2 Way Double Solenoid Valve (4 nos.)

5/2 Way Single Solenoid Spring return Valve (1 no.)

5/2 Way Roller Valve (1 no.)

5/3 Way Hand Lever Valve (1 no.)

Flow Control Valve (4 nos.)

Quick Exhaust Valve (4 nos.)

Silencer (4 nos.)

PU tube : 10 meters

Cutter

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12. Control valve cut sections

Working cut sections of Globe valve

Material: Carbon steel Size: 2.5"

Ball valve Material: Carbon steel Size: 2”

Butterfly valve Material: Carbon steel Size: 2”

Needle valve Material: Carbon steel Size: 2”

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