Industrial Automation-PLC

1. SUBMITTED BY:-
PALLAVI PANDEY
THAPAR UNIVERSITY
SIX WEEKS TRAINING

3. HISTORY OF INDUSTRIAL
AUTOMATION
Manual
Control
Pneumatic
Control Electronic
System
Hard wired
logic
System
PLC

4. INDUSTRIAL
AUTOMATION
SOFTWARE
CONTROL
SCADA
HARDWARE
CONTROL
PLC/DCS FIELD
INSTRUMENTS
MOTOR,RELAYS,
SENSORS

5. REAL TIME
SYSTEM
Monitors input and
take decision based
on its program and
control output to
PROGRAMMABLE LOGIC
CONTROLLER(PLC)
INPUT PLC OUTPUT

6. IMPORTANCE OF PLC:-
 Large number of input & output ports are available.
 PLC’S can withstand vibration, temperature, humidity & noise.
 It is programmed using Ladder diagrams and no programming
language is required.
 Large current driving ability- 24VDC whereas 5VDC is
available in microcontroller.
 Already interfaced I/P & O/P are available inside a PLC.
 Easier and faster to make changes.
 Trouble shooting aids make programming easier and reduce
downtime.
 Reliable components make these likely to operate for years
before failure.

7. PLC COMPONENTS:-
POWER SUPPLY:-24VDC,220 V AC,
110VAC
COMMUNICATION-RS 232,DH(485)
DIRECT
40 Feet
max.
Ex- RS232
INDIRECT
4000 Feet
Ex- RS232-
RS485
INPUT MODULE
DIGITAL INPUTSL:- Switches,Push Buttons
ANALOG INPUTS:- 4-20mA,0-10V Pressure, Temprature
etc.

8. PLC
OUTPUT MODULE:-
i) DIGITAL OUTPUT:- Lamps, Alarms etc.
ii) ANALOG OUTPUT:-Control valve, Drives
etc.
PROCESSOR:- CPU
i)User Memory
ii)Storage Memory:- RAM, ROM ,EEPROM etc.
TYPES OF PLC:-
i) Compact
ii) Modular

9. Leading Brands Of PLC
AMERICAN1. Allen Bradley
2. Gould Modicon
3. Texas Instruments
4. General Electric
5. Westinghouse
6. Cutter Hammer
7. Square D
EUROPEAN 1. Siemens
2. Klockner & Mouller
3. Festo
4. Telemechanique

10. Languages Used in PLC
 Ladder Logic
 FBD-Functional Block Diagram
 SFC-Sequence Flow Chart
 STC-Structural Text Language
 IL-Instruction List
PHASE 2
Program
Execution
PHASE 3
Diagnostics/
Comm
PHASE 4
Output
Scan
PHASE 1
Read Inputs
Scan

11. By ROCKWELL AUTOMATION
(USA Company)
Communication Software :-RS Linx Classic
Programming Software:- RS Linx Micro English
PLC Used – Micrologix 1000
 PICO
 MICRO
 SLC
 PLC
 Logix Sereis
TYPES

12. PLC PROGRAMMING- LADDER
LOGIC
NORMALLY
OPEN(NO)
NORMALLY
CLOSE(NC) OUTPUT RUNG IN
PARALLEL

13. ADRESSING MODES:-
 MODULAR PLC  COMPACT PLC
File type File number : Slot number . Word Number/
Bit No.
ANALOG
INPUT- I1:3.0
OUTPUT- O0:3.0
INPUT- I1:0.0
OUTPUT- O0:0.0
DIGITAL
INPUT- I1:1.0/2
OUTPUT-
O0:1.0/1
INPUT- I1:0.0/0
OUTPUT-
O0:0.0/1

14. ADVANCE INSTRUCTIONS :-
i) Latch Unlatch Command
ii) One Shot Rise(OSR)
iii) Compute/Math
(Add, Sub, Math, Divide, SQR, NEG, TOD, FRD)
iv) Move Logical (MVM)
v) Gates (AND, OR, NOT, EXOR)
vi) Program Control (JMP & LBL)
vii) Temporary End (TND)
viii) Compare (MOV, NEQ, LES, GRT, LEQ, GRQ)
ix) Timer/ Counters (UP, DOWN, TON, TOFF, RES)

15. AUTOMATIC PARKING :-
PARKING
Max. 10 Cars
IN OUT
Design an automatic parking place
having a maximum seats for 10 cars.
The gate should automatically open if
there are less than 10 cars in the parking
but it should not open if space is full.

17. INTERLOCKING
A1
A2
A1
A2
C
1
C2
START 1 START 2
STOP 1 STOP
2
AUX
NC2
AUX
NC1
AUX
NO1
AUX
NO2

18. Star Delta Starter- Control
Circuit

19. PROJECT
SEQUENCE CONTROL OF
MOTORS

20.  AIM of the Project:- To obtain the motors working in a
particular pattern/Logic sequence.
 Apparatus Used:- PLC (Allen Bradley)
MicroLogix1000, Power Supply, Wires, Electromagnetic
Relay.
 DIAGRAM:- EM
RELAY
M1
M2
M3
M4
MOTORS
L
N
NO 1
NO 2
NO 3
NO 4
M1
M2
M3
M4
0

21. I/0
I/3
I/2
I/1
V DCDC
COM
O/0
O/1
O/2
O/3
24V
DC
24V
DC
O1
O
2
O3
O4
WIRING OF PLC
P
L
C

22. CONSISTS OF THREE PARTS:-
1) POWER SUPPLY:-
For converting 220V AC into 24V DC ( required by the PLC )
2) RELAY :-
For supplying 220V AC to the LED or Motor.
3) PLC :-
It works as controller which controls the instruments according to the
programming done by the user. It acts as the main brain or controller. The PLC
used here is MicroLogix1000. The sequence of motors is
1 0 1 1
1 1 1 0
1 1 1 1
0 1 1 1

24. USES OF SEQUECE CONTROL OF MOTORS:-
i) Used in Food Factory.
ii) Used in manufacturing Plants.
iii) Used in Construction Work.
N7 :0– Integer
acts as source.
N7:9- Used for
masking.
N7:10- Used
for storing the
result.

25. ROLE OF PLC IN
INSTRUMENTATION & CONTROL
Instrumentation and control engineering is about measurement and control. It
deals with development of new control devices, manufacturing facilities and
plants.
 Its about gathering data & changing field parameters to obtain the best
possible output.
 Instrumentation and Control is about MEASUREMENT, CONTROL AND
AUTOMATION.
 PLC is actually the best controller.
Ex-PLC IN PROCESS CONTROL:-
Time in Minutes
Temp.
rise
Holding Temp.
rise
Holding
PLC Controlled
Process
Ideal Process
Process End
Process Start
Y2Y1
0 X1X2 X3 X4Time in
Minutes
0 X1X2 X3 X4
Y2
Temp.
rise
Holding Temp.
rise
Holding
Process End
Conventional
Process
Ideal Process
Temperature(in
Deg.C.)
Process
Start
Y1