Programmable Logic Controllers (PLC) & SCADA systems

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  • Fees : 2900 $
  • Date 25 Aug 2019
  • Location Dubai, English

Programmable Logic Controllers (PLC) & SCADA systems


Course Description

The control of dangerous process equipment is essential. What we need to know is “what is the process doing?” When can I use DCS and when can I use SCADA. In the main, what is the difference between SCADA and DCS?

We also cover the troubleshooting of a SCADA system and use of the protocol analyser when sections of the system cease to communicate.

What is a remote terminal unit (RTU) and what is a master terminal unit (MTU). What is a protocol and what happens if we try to connect a non-standard protocol to our system?

What is a PLC and how is it used in our SCADA system. What types of communication does a SCADA use, radio, microwave wires and perhaps fibre optics.

Who Should Attend:

  • Is suitable for all those employed on any type of process plant.
  • For those participants attending the course they will find it useful as a pre-course to vendor specific training.
  • Electrical employees will find this a great aid to their troubleshooting skills.
  • Automation technicians can improve their skills level and understanding of a complex system.
  • Instrumentation technicians will find this course useful as a precursor to upgrading to automation technician.
  • Managers and supervisors will find the course a great help as a demystifying tool.


Course Objectives:

At the end of this course, participants will be able to:

  • Describe the operation of a SCADA system and construct a block diagram.
  • Describe historical events leading up to the development of a full blown supervisory control and data acquisition system.
  • Describe the function of a master terminal unit
  • Describe the function of a remote terminal unit
  • Describe a PLC and its location within a SCADA system
  • Describe what is meant by the term “real-time”
  • What is meant by scanning time in a SCADA system
  • Calculate the scan interval for an installed SCADA system
  • Calculate the data rate for an installed SCADA system.
  • Describe the DNP-3 protocol
  • Describe the SCADA system architecture
  • Describe TCP/IP
  • Describe PLC/DCS/SCADA architectures
  • Select software as “proprietary” or “open” for a particular SCADA system application.
  • Describe local area networks (LANs), Ethernet and Fieldbuses
  • Describe wireless networks and types of communication

Who Should `Attend

This coursed is very suitable as a precursor to vendor training. It is aimed at the instrument technician and the automation technician in the early years of his career.  Whilst being suitable for both types of employee it is especially suitable as a bridging course for those technicians wishing to qualify as automation technicians.

The electrical technician will also find this course suitable as an enhancement to his career. Mechanical, supervisory and management staff will also find this very useful as they have a “need to know” in carrying out their duties.

Training Methodology

Course is supported by multi-media training materials, and involve small group project work where the participant is expected to work as a team member. Other methods employed are computer based training materials, DVD and video.

Course Outline

Introduction to SCADA and remote control

  Historical development of SCADA and DCS

 Switch panels

SCADA signals

 The elements of a SCADA systems

 Master terminal units (MTUs)

 Remote terminal units (RTUs)

The SCADA as a “two-way” system

 Types of communication

 Cable telemetry

 Wireless telemetry

 Microwave communication systems

Real-time systems

 What do we mean by “real-time?”

  Data acquisition

 The A to D converter

 The D to A converter

Computer memory types


 The computer I/O

 The computer software

  Built in software

  Applications software

Scanning time of an installed SCADA system

 Calculating the scan interval for any system

 Calculating the data rate for a SCADA system

SCADA communications and DNP-3

Transmission control protocol (TCP/IP)

SCADA systems architecture

PLC/DCS/SCADA architecture

Smart field instruments

Advantage and disadvantages of each type of architecture

The computer/intelligent electronic device (IED) architecture

SCADA software, proprietary or open?

Local area networks (LANS)

The industrial Ethernet

An introduction to Fieldbuses

Wireless networks

Foundation Fieldbus and others

Final examination

Course evaluation.


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