EX: NO:

AIM:

To operate the AC servo motor (closed loop).

COMPONENTS REQUIRED:

1. LABTECH AC servo motor controller trainer kit

2. AC servo motor with loading arrangement

3. Multimeter

4. Patch cords

PROCEDURE:

1. Check the ON /OFF switch position is in OFF condition.

2. Connect the AC servomotor with trainer using connector provided on back

panel.

3. Switch ON the trainer and vary the pot of the control winding to maximum and

note down no load speed. (Rated voltage).

4. Now gradually increase the load and tabulate corresponding values of speed and

load value (kg).

5. Reduce the load on the motor. The motor will run at rated speed.(no load)

6. Now gradually increase the load and take corresponding values of speed and load

(kg).

7. Release the load and reduce pot meter to minimum position. Switchoff the trainer.

RESULT:

Thus the Mechanical parameters of AC servo motor determined.

Exp. No: ACTUATION OF HYDRAULIC CYCLINDER TO FIND OUT

FORCE Vs PRESSUREDate:

AIM

To actuate the hydraulic cylinder and find out the force vs. pressure.

APPARATUS REQUIRED

Oil tank

Single phase motor

Gear pump

Pressure relief valve

4/3 double solenoid valve

Double acting cylinder

Load cell

Data actuation card and lab view software.

PROCEDURE

Switch on the electrical power supply with motor.

Switch opens the power supply to the control unit.

Open the lab view software in the system.

Inter face hydraulic trainer with system using RS-232.

Open the force. Go to operate, click the run. Then power on (below)

Now extend HGTE system by pressing the up button.

Load cell indicate the force value in the monitor.

Now adjust`` the pressure regulator and set the maximum pressure as 25kg/cm2.

Retract the cylinder.

Once again forward the cylinder; you have adjusted the pressure in pressure regulator.

You have seen the force value in monitoring.

Repeat the force value for different pressure.

TABULATION

S NO PRESSURE (g/cm2)DISPLAYED FORCES

(kg)

CALCULATED

FORCES (kg)% OF ERRORS

CALCULARED FORCES FORMULA

Pressure = force/area (kg/cm2)

D = cylinder diameter

Cylinder dia = 40mm

Cylinder rod dia = 30mm

Cylinder stroke length =150mm

(Cm2)

RESULT

The actuation of double acting cylinder was carried out.

Exp. No: ACTUATION OF HYDRAULIC CYCLINDER TO FIND OUT

SPEED Vs DISCHARGEDate:

AIM

To actuate the hydraulic cylinder and find out the speed vs. discharge

APPARATUS REQUIRED

Oil tank

Single phase motor

Gear pump

Pressure relief valve

4/3 double solenoid valve

Double acting cylinder

Load cell

Data actuation card and lab view software.

PROCEDURE

Switch on the electrical power supply with motor.

Switch opens the power supply to the control unit.

Open the lab view software in the system.

Inter face hydraulic trainer with system using RS-232.

Open the speed. Go to operate, click the run. Then power on (below)

Now extend the system by pressing the up button.

Now regulate the flow control valve, contract the system by pressing down position

Now adjust the flow control valve and set the set the maximum flow, to find the up and

velocity.

Repeat the force value for different pressure.

TABULATION

S NOVELOCITY IN UP

(cm/s)

VELOCITY IN DOWN

(cm/s)

DISCHARGE IN UP

(l/s)

DICHARGE IN DOWN

(l/s)

CALCULATED FLOW

Velocity (Speed) =Flow/Area Cm/Sec

Flow =Discharge (Q) Lit/Sec

D = Diameter of Cylinder (40 Cm)

RESULT

The actuation of double acting cylinder was carried out.

Exp. No: CONTROL OF DOUBLE ACTING CYLINDER WITH UP ANDDOWN COUNTERS USING PLCDate:

AIM

To simulate the double acting cylinder with up and down counters using PLC.

APPARATUS REQURIED

Compressor

FRL

Air tube

5/2 single solenoid valve

PLC

Double acting cylinder

Versa pro-software.

PROCEDURE

Draw the circuit diagram.

Provide +24 and -24V from PLC trainer to panel.

Open the versa pro software in desktop.

Interface PLC with PC using RS232 cable.

Write a ladder diagram.

Output of PLC (ql) is direct connect to input of solenoid coil

Following the opening procedure of versa pro software.

Check the ladder diagram.

Connect the air supply to FRL unit.

Run the PLC input (li) switch continuous ON and OFF. When will reach the preset value

(pv), this cylinder should be actuated.

DOUBLE ACTING CYLINDER WITH UP COUNTER

s

DOUBLE ACTING CYLINDER WITH DOWN COUNTER

RESULT

Thus the double acting cylinder is actuated with up and down counter using PLC.

Exp. No: CONTROL OF SINGLE ACTING CYLINDER WITH ON ANDOFF DELAY TIMER USING PLCDate:

AIM

To simulate the single acting cylinder with on and off delay timer using PLC.

APPARATUS REQURIED

Compressor

FRL

Air tube

5/2 single solenoid valve

PLC

Double acting cylinder

Versa pro-software.

PROCEDURE

Draw the circuit diagram.

Provide +24 and -24V from PLC trainer to panel.

Open the versa pro software in desktop.

Interface PLC with PC using RS232 cable.

Write a ladder diagram.

Output of PLC (ql) is direct connect to input of solenoid coil

Following the opening procedure of versa pro software.

Check the ladder diagram.

Connect the air supply to FRL unit.

Run the PLC input (li) switch continuous ON and OFF. When will reach the preset value

(pv), this cylinder should be actuated.

SINGLE ACTING CYLINDER WITH ON AND OFF DELAY TIMER

RESULT

Thus the single acting cylinder is actuated with on and off delay timer using PLC.

EX. NO.:1 Study of AND / OR logic gates using basic pneumatic circuits

AIM:

To study the AND/OR logic operation using basic pneumatic trainer kit.

APPARATUS REQUIRED:

Basic pneumatic trainer kit with the following components.

1. Power Source

2. FRL unit

3. AND valve/Check valve

4. Single acting cylinder

5. Push button operated 3/2 DCV

EXPERIMENTAL PROCEDURE:

1. Establish the connection of the components as per the pneumatic circuit diagram.

2. Check the power source and ensure the required pressure is set on the FRL unit.

3. Operate the push button to get the power output to change the position of the DCV.

4. With the two power inputs to the DCV the single acting cylinder forward stroke was

carried out.

RESULT:

The required AND/OR logic operation was carried out and verified.

01

01

02

02

03

03

04

04

05

05

06

06

07

07

A A

B B

C C

D D

Component Name Quantity3/2-Way NC Valve 2

AND Valve 1

Conditioning Unit (FRL) 1

Direct Exhaust 2

Line 7

Pneumatic Pressure Source 1

Single-Acting Cylinder with Spring Return 1

Variable Non Return Throttle Valve 1

01

01

02

02

03

03

04

04

05

05

06

06

07

07

A A

B B

C C

D D

Component Name Quantity3/2-Way NC Valve 2

Conditioning Unit (FRL) 1

Direct Exhaust 2

Line 7

Pneumatic Pressure Source 1

Shuttle Valve 1

Single-Acting Cylinder with Spring Return 1

Variable Non Return Throttle Valve 1

EX. NO.: 2 Study of manual operation of a double acting cylinder using 5/2 DVC

AIM:

To study the manual operation of Double acting cylinder using 5/2 DCV

APPARATUS REQUIRED:

Basic pneumatic trainer kit with the following components

1. Power Source

2. FRL unit

3. 5/2 DCV Pilot operated / 4/3 Hand lever operated

4. Double acting cylinder

EXPERIMENTAL PROCEDURE:

1. Establish the connection of the components as per the pneumatic circuit diagram.

2. Check the power source and ensure the required pressure is set on the FRL unit.

3. Operate the 4/3 DCV to obtain the forward stroke

4. Operate the 4/3 DCV the opposite position to get the reverse stroke.

RESULT:

The required forward and reverse stroke operation for the double acting cylinder was carried

out and verified.

01

01

02

02

03

03

04

04

05

05

06

06

07

07

A A

B B

C C

D D

Component Name Quantity5/2-Way Valve 1

Conditioning Unit (FRL) 1

Double-Acting Cylinder 1

Line 3

Pneumatic Pressure Source 1

Silencer 2

EX. NO.3 STUDY OF AND/OR LOGIC GATE USING ELECTRO PNEUMATIC

WITH PLC KIT AIM:-

To study the AND / OR logic gates using basic electro pneumatic with PLC kit. APPARATUS REQUIRED:- 1. Compressor 2. FRL unit 3. 3/2 single solenoid valve 4. Single acting cylinder 5. Normally open contact 6. Normally open coil EXPERIMENTAL PROCEDURE:- 1. Switch on the PLC and PC as well. 2. Open the versa Pro software 3. Connect the PLC. 4. Draw ladder logic diagram as per the logical operation required. 5. Check the hardware configurations & replace the correct PLC module. 6. Disable the switch run / stop in the dialogue box. 7. Keep the PLC simulation in the Stop module. 8. Clear the previously stored program from the PLC and store the current program and

hardware configuration. 9. Wire the corresponding input and output in the PLC control panel.

10. Run the PLC simulation and switch ON the required INPUT too release the given logical operation.

RESULT:- Thus the given logical sequence is simulated and verified using the PLC based electro pneumatic trainer kit.

EX. NO.4:- AUTOMATIC OPERATION OF SINGLE ACTING CYLINDER USING

ON DELAY AND OFF DELAY TIMERS WITH PLC

AIM:- To study the operation of the single acting cylinder with delay timers using PLC kit. APPARATUS REQUIRED:- 1. Compressor 2. FRL unit 3. 3/2 single solenoid valve 4. Single acting cylinder 5. Normally open contact 6. Normally open coil 7. Delay timer EXPERIMENTAL PROCEDURE:- 1. Draw the circuit diagram. 2. Provide +24V and -24V from PLC trainer to Electro pneumatic trainer kit. 3. Interface PLC with the system using RS232 cable. 4. Output of PLC (Q1) is direct connecting to input of solenoid coil. 5. Open the versa pro software in PC. 6. Draw ladder logic diagram as per the logical operation required with ON delay timer. 7. Check the hardware configurations & replace the correct PLC module. 8. Connect the PLC with system and keep the PLC simulation in the stop mode.

9. Clear the previously stored program from the PLC and store the current program and hardware configuration.

10. Connect the air supply to FRL unit. 11. Run the PLC simulation and switch ON the required INPUT to operate the given

logical operation. 12. Repeat the same procedure for OFF delay timer.

RESULT:- Thus the given logical sequence is simulated and verified using the PLC based electro pneumatic trainer kit.

EX. NO.5:- AUTOMATIC OPERATION OF DOUBLE ACTING CYLINDER USING

ON DELAY AND OFF DELAY TIMERS WITH PLC

AIM:- To study the operation of the double acting cylinder with on delay timer using PLC kit. APPARATUS REQUIRED:- 1. Compressor 2. FRL unit 3. 5/2 single solenoid valve 4. Double acting cylinder 5. Normally open contact 6. Normally open coil 7. OFF delay timer EXPERIMENTAL PROCEDURE:- 1. Draw the circuit diagram. 2. Provide +24V and -24V from PLC trainer to Electro pneumatic trainer kit. 3. Interface PLC with the system using RS232 cable. 4. Output of PLC (Q1) is direct connecting to input of solenoid coil. 5. Open the versa pro software in PC. 6. Draw ladder logic diagram as per the logical operation required for ON delay timer. 7. Check the hardware configurations & replace the correct PLC module. 8. Connect the PLC with system and keep the PLC simulation in the stop mode.

9. Clear the previously stored program from the PLC and store the current program and hardware configuration.

10. Connect the air supply to FRL unit. 11. Run the PLC simulation and switch ON the required INPUT to operate the given

logical operation. 12. Repeat the same procedure for OFF delay timer.

RESULT:- Thus the given logical sequence is simulated and verified using the PLC based electro pneumatic trainer kit.

EX. NO. 6:- AUTOMATIC OPERATION OF DOUBLE ACTING CYLINDER

USING TIMERS AND MEMORY CIRCUIT

AIM:- To study the automatic sequence of double acting cylinder using electro pneumatic with PLC kit. APPARATUS REQUIRED:- 1. Compressor 2. FRL unit 3. 5/2 double solenoid valve 4. Flow control valve 5. Double acting cylinder 6. Normally open contact 7. Normally open coil 8. OFF delay timer EXPERIMENTAL PROCEDURE:- 1. Draw the circuit diagram. 2. Provide +24V and -24V from PLC trainer to Electro pneumatic trainer kit. 3. Interface PLC with the system using RS232 cable. 4. Output of PLC (Q1 and Q2) are direct connecting to input of 5/2 double solenoid coil. 5. Open the versa pro software in PC. 6. Draw ladder logic diagram as per the logical operation required. 7. Check the hardware configurations & replace the correct PLC module. 8. Connect the PLC with system and keep the PLC simulation in the stop mode.

9. Clear the previously stored program from the PLC and store the current program and hardware configuration.

10. Connect the air supply to FRL unit. 11. Run the PLC simulation and switch ON the required INPUT to operate the given

logical operation. RESULT:- The ladder diagram for the automatic running of double acting cylinder is drawn and executed.

EX. NO.7:- SINGLE ACTING CYLINDER USING PUSH BUTTON AIM:- To study the operation of single acting cylinder using electrical push button switch in electro pneumatic trainer kit APPARATUS REQUIRED:- 1. Compressor 2. FRL unit 3. 3/2 single solenoid valve 4. Flow control valve 5. Single acting cylinder 6. Electro pneumatic trainer kit EXPERIMENTAL PROCEDURE:-

1. Connect the power supply(24V PC) from the electrical control panel to the electro pneumatic trainer kit

2. Patch the wires of positive terminals and negative terminals to the respective terminals 3. From the push button switch, output is given to the 3/2 single solenoid DCV 4. Verify the pneumatic power to trainner kit 5. Operate the push button to get the required operation RESULT:- Thus the given electro pneumatic operation of single acting cylinder is done and verified.

EX. NO.8:- DOUBLE ACTING CYLINDER USING SPDT SWITCH AIM:- To study the operation of double acting cylinder using electrical push button switch in electro pneumatic trainer kit. APPARATUS REQUIRED:- 1. Compressor 2. FRL unit 3. 5/2 single solenoid valve 4. Double acting cylinder 5 Electrical connection 24V 6. Electrical connection 0V 7. SPDT switch with electrical control panel EXPERIMENTAL PROCEDURE:- 1. Draw the circuit diagram. 2. Provide +24V and -24V from electrical control panel to Electro pneumatic trainer kit. 3. Patch the wires of positive terminals and negative terminals to the respective terminals 3. From the SPDT switch, output is given to the 5/2 single solenoid DCV

4. Connect the air supply to FRL unit and other components as well. 5. Operate the push button to get the required operation RESULT:- Thus the given electro pneumatic operation of double acting cylinder is done and verified.

EX. NO.9:- SINGLE ACTING CYLINDER OPERATION USING PUSH BUTTON

AND TIMERS AIM:- To study the operation of single acting cylinder using electrical push button switch with ONDT and OFDT in electro pneumatic trainer kit. APPARATUS REQUIRED:- 1. Compressor 2. FRL unit 3. 3/2 single solenoid valve 4. Single acting cylinder 5 Electrical connection 24V 6. Electrical connection 0V 7. Push button and timers switch with electrical control panel EXPERIMENTAL PROCEDURE:- 1. Connect the power supply(24V PC) from the electrical control panel to the trainer kit 2. Patch the wires of positive terminals and negative terminals to the respective terminals 3. From the push button switch, output is given to timer. 4. The output from timer (ONDT) is given to the 3/2 single solenoid DCV 5. Verify the pneumatic power to trainer kit 6. Operate the push button to get the required operation 7. From push button change the connection to OFDT timer and then to solenoid valve. 8. Repeat to operate the push button to get the required operation. RESULT:- Thus the given electro pneumatic operation of single acting cylinder using push button and timers is done and verified.

Ex. No.10:- STUDY OF MECHANICAL PARAMETERS AND TRANSFER FUNCTION OF

AC SEROV MOTOR AIM:- To determine the mechanical parameters and transfer function of AC servomotor. APPARATUS REQUIRED:-

1. Labtech AC servo motor controller trainer kit 2. AC servo motor with loading arrangement 3. Optic sensor to measure speed 4. Patch cords

REQUIRED EQUATIONS:-

(i) To find the frictional co-efficient (f)

2

602

⎟⎠⎞

⎜⎝⎛

=N

Wfπ

Constant Loss = No Load Input – Copper Loss No Load Input = V (IR+IC) in Watts Copper Loss = IC

2 RC in Watts Frictional Loss W = 30% of constant loss

Where, N is rated speed in rpm V is 230V IC is 300 mA IR is 300 mA RC is 174 ohms (ii) To find the Moment of Inertia (J)

4

32dJ π

=

Where, d is diameter of rotor = 39.5mm

(ii) To find the Transfer function of AC servomotor

)1()( 2 +

=ΔΔ

=mSK

EOSGN m

τ

Where, ff

KKm +=

0

is Motor gain constant. Slip, S =1.

ff

Jm+

=0

τ

EXPERIMENTAL PROCEDURE:-

1. Check the ON/OFF switch position is in OFF condition. 2. Patch the circuit as per the patching diagram.

3. Connect the AC servomotor with trainer using connector provided on back panel.

4. Set the speed control knob in minimum position and load in free condition. (i) To find fo 5. Switch ON the main and vary the knob to maximum control winding voltage and note the

NO load speed. 6. Now gradually, apply the load on the motor and note down speed and repeat the same for 6

incremental loads.

7. Calculate the torque for each load and plot the graph between torque and speed and calculate fo

NTfo

ΔΔ

=

Table No.1:

S.No Speed (rpm) W1(kg) W2(kg) Torque (Nm)

(ii) To find K

8. Switch OFF the main and check the control winding knob in minimum position. 9. Switch ON trainer and set the motor speed at 75% of full load torque (ie) 675rpm.

10. Now apply the load and try to adjust the control winding know to bring up the motor speed

as 675rpm.

11. Repeat the same procedure for 6 incremental loads and plot the graph between torque and control winding and find K.

Table No.2: Constant speed at 675rpm

S.No Speed (rpm) W1(kg) W2(kg) Torque (Nm)

RESULT:- Thus the transfer function and mechanical parameters of AC servomotor were studied and graphs plotted.

EX. NO.11:- STEPPER MOTOR INTERFACING USING 8051 MICROCONTROLLER AIM: To rotate the stepper motor to a specified angle in a particular mode and direction of rotation. APPARATURS REQUIRED:-

1. Stepper motor 2. Microcontroller 3. 8051 interfacing card 4. Optical sensor

PROGRAM:-

Address Opcode Lable Mnemonics INPUT:-

Wave Scheme (Unipolar Operation):-

Address Clockwise Anticlockwise

2 Phase Scheme:-

Address Clockwise Anticlockwise

Half Stepping Scheme:-

Address Clockwise Anticlockwise

RESULT: Thus the stepper motor is rotated in specified angle, mode and direction.

EX. NO.12:- OPERATION OF DOUBLE ACTING CYLINDER USING MEMORY

VALVE AIM: To study the operation of double acting cylinder using memory valve in automation studio software. SOFTWARE REQUIRED: Automation Studio EXPERIMENTAL PROCEDURE:

1. Drawing the circuit sequence 2. Identification of the components required 3. Selection of the suitable components required from the library 4. Establishing the connection between the components of the circuit using wires 5. Running the simulation to verify the given sequence of operation

RESULT: The operation of double acting cylinder using memory is simulated and verified

EX. NO.13:- AUTOMATIC OPERATION OF DOUBLE ACTING CYLINDER IN

MULTI CYCLE USING LIMIT SWTICH AND MEMORY VALVE AIM: To study the automatic operation of double acting cylinder in multi cycle using limit switch and memory valve in automation studio software. SOFTWARE REQUIRED: Automation Studio EXPERIMENTAL PROCEDURE:

1. Drawing the circuit sequence 2. Identification of the components required 3. Selection of the suitable components required from the library 4. Establishing the connection between the components of the circuit using wires 5. Running the simulation to verify the given sequence of operation

RESULT: The automatic operation of double acting cylinder in multi cycle using limit switch and memory is simulated and verified

EX. NO.14:- MULTIC CYCLE OPERATION OF DOUBLE ACTING CYLINDER

USING LIMIT SWITCH & MEMORY VALVE WITH SENSORS AIM: To study the multi cycle operation of double acting cylinder using limit switch and memory valve with sensors in automation studio software. SOFTWARE REQUIRED: Automation Studio EXPERIMENTAL PROCEDURE:

1. Drawing the circuit sequence 2. Identification of the components required 3. Selection of the suitable components required from the library 4. Select two bimetallic sensors as reference position and tag them a0 and a1, further,

link them with corresponding roller directional valves.

5. Establishing the connection between the components of the circuit using wires

6. Running the simulation to verify the given sequence of operation RESULT: The multi cycle operation of double acting cylinder using limit switch and memory valve with sensors is simulated and verified

EX. NO.15:- SINGLE CYLCE AUTOMATION OF MULTIPLE CYLINDERS IN

SEQUENCE OF A+B+A-B- AIM: To study the single cycle automation of multiple cylinders in sequence of A+B+A-B- in automation studio software. SOFTWARE REQUIRED: Automation Studio EXPERIMENTAL PROCEDURE:

1. Drawing the circuit sequence 2. Identification of the components required 3. Selection of the suitable components required from the library 4. Select two bimetallic sensors as reference position for each cylinder and tag them a0,

a1, b0 and b1, further, link them with corresponding roller directional valves.

5. Establishing the connection between the components of the circuit using wires

6. Running the simulation to verify the given sequence of operation RESULT: The single cycle automation of multiple cylinders in sequence of A+B+A-B- is simulated and verified

EX. NO.16:- SINGLE ACTING CYLINDER USING PUSH BUTTON BY ELECTRO

PENUMATIC METHOD AIM: To study the operation of single acting cylinder using push button by electro pneumatic method in automation studio software. SOFTWARE REQUIRED: Automation Studio EXPERIMENTAL PROCEDURE:

1. Draw the circuits separately for both electric and pneumatic arrangement. 2. Identification of the components required 3. Selection of the suitable components required from the library 4. Select a single acting solenoid for 3/2 way directional control valve and tag it as S1,

link it with corresponding solenoid in pneumatic circuit.

5. Establishing the connection between the components of the circuit.

6. Running the simulation to verify the given sequence of operation RESULT: The operation of single acting cylinder using push button by electro pneumatic method in automation studio software is simulated and verified

EX. NO.17:- DOUBLE ACTING CYLINDER USING SPDT SWITCH BY ELECTRO

PENUMATIC METHOD AIM: To study the operation of double acting cylinder using 5/2 double solenoid through SPDT switch by electro pneumatic method in automation studio software. SOFTWARE REQUIRED: Automation Studio EXPERIMENTAL PROCEDURE:

1. Draw the circuits separately for both electric and pneumatic arrangement. 2. Identification of the components required 3. Selection of the suitable components required from the library 4. Select a double acting solenoid for 5/2 way directional control valve and tag it as W1

and W2, link them with corresponding solenoids in pneumatic circuit.

5. Establishing the connection between the components of the circuit.

6. Running the simulation to verify the given sequence of operation RESULT: The operation of double acting cylinder using SPDT switch by electro pneumatic method in automation studio software is simulated and verified