Technical ppt

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PL

C

&

SC

A

D

ASUBMITTED BY-

PRIYA SRIVASTAVA

090105801

E.I.E, VII Sem.

PLC COURSE CONTENTS

Digital Electronics Basics.

PLC Fundamentals.

PLC Hardware & Architecture.

Source & Sink Concepts.

Wiring Different field Devices to PLC.3/12/2015 2

SCADA COURSE CONTENTS

Introduction to SCADA Software.

Creating new SCADA project.

Creating & editing elementary graphic display.

Attaching controls to graphic objects.

Real time & historical trends using alarms & events.

Application of scripts communication with PLC

Communication with excel.3/12/2015 3

AUTOMATION

Automation is a step beyond mechanization.

Automation is the use of control systems &

information technologies to reduce the need for human work in the production of

goods & services.

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Automation Components

Sensor for sensing physical conditions.

Transmitters.

Control Systems.

Output Devices.

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Programmable Logic Controllers

A PLC is a solid state / industrial computer that

performs discrete or sequential logic in a factory

environment.

It was originally developed to replace mechanical

relays, timers, counters.

A sequence of instructions is programmed by the user

to the PLC memory. Its purpose is to monitor

crucial process parameters and adjust process

operations accordingly.

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PLC Saves

Material cost

Installation cost

Troubleshooting

Labor cost

By

Reduced wiring &

associated errors

Less spaceNo moving

parts –rugged

Value added benefits

Reliability

Flexibility

Advanced Function

Communication

Speed

Diagnostics

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Packaging

Material Handling

Power Generation

Security Systems

Paint Lines

Bottling & Canning

Machining

Automated assembly

Water treatments

HVAC/Building Automation

Industry

Cement

Automobile

Chemicals

Plastics

APLLICATIONS

Any application in any industry that

requires electrical control.

VARIOUS BRANDS OF PLCS

Allen Bradley( USA)

Siemens (Germany)

Modicon (France)

Mitshubishi (Japan)

GE Fanuc (USA)

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Programming/

Communication

device

Input

CircuitsCentral

Processing

Unit(C.P.U)

Output

devices

Memory

Program data

Power Supply

Optical Isolation Optical Isolation

ARCHITECTURE

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PLC SCAN

Programming Languages

Ladder Diagram (LD)

Functional block Diagram (FBD)

Structured Text (ST)

Instruction List (IL)

Sequential Functional Chart

(SFC)

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PLC PROGRAMMING SOFTWARE

Supervisory Control &Data Acquisition

(SCADA) Systems

SCADA systems

used to monitor and control a plant or

equipment in industries such as:

telecommunications, water and waste

control.

energy, oil and gas refining and

transportation

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PURPOSE

A SCADA SYSTEM

Gathers information from Remote Terminal

Units (RTUs) and/or (PLCs), and the central host and the operator

terminals(such as where a leak on a

pipeline has occurred).

Transfers the information back to a

central site, then alerts the home

station that a leak has occurred

carries out necessary analysis and control,

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What do SCADA Provide?

Dynamic Process Graphics

Basic SCADA functionality

Real time &historical trend

Alarms

Recipe Management

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Data Server

Field Bus

PLC’sData Server

Configuration of SCADA Systems

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