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Organisations that have recently invested in modern automated plants will find that most of their control panels will include a PLC.    It is beneficial for all Maintenance Technicians to have an understanding of PLC systems for the following reasons.

  • If no back up program is obtained and the PLC crashes the plant can be off line for a long period for reprogramming.

  • A first check can be made to see if a fault lies with the PLC, this can assist the fault finding process.

  • The use of the PLC laptop can greatly speed up a plant fault finding process.

  • The PLC program can be modified to make the plant to run more efficiently.

We have available short sessions for PLC familiarity and Programming as follows:

Allen Bradley,  Mitsubishi and Keyence systems can be catered for,  others on request.

1. PLC Familiarity

The are no prerequisites for this session, but it will be useful to have at least seen a PLC in a working environment.   There will be no requirement for computer skills because this session will not include the use of the PLC Laptop.   The indented participants are likely to be Multi-skilled Techs, Managers Maintenance and Operations.

Session Content (2 Hours)

  • Overview of PLC’s and HMI's

  • Fault Indication Lights

  • Input and Output Indications

  • The need for back up disks

  • Questions

2. Use of the PLC Laptop to Assist Maintenance Technicians

This session will use the Laptop to communicate with PLC’s, to do this a basic understanding in the use of computers will be beneficial.    A good understanding of the 'Familiarity Session’ will be beneficial although the pre-attendance of that session is not essential.      The intended participants are likely to be Elec./Instrument Techs and Mech/Elec Techs with computer skills

Session Content (4 Hours)

  • Refresher PLC Overview
  • Communication Connections to PLCs
  • PLC Processor Modes
  • Opening Files
  • Online Monitoring and Plant Fault Diagnosis
  • Online Monitoring and PLC Fault Diagnosis
  • PLC Networks
  • Making Back Up Programs
  • Example Plant Fault Finding Using Laptop

3. Basic Programming and Restoration of PLCs and HMI's (3 Days)

The prerequisite of this session is a good understanding of the topics covered in the ‘use of the PLC Laptop’.

Session Content (3 Days)

  • Refresh Use of PLC Laptop
  • Refresh Backing Up of Programs
  • Creating a New PLC Program
  • Basic PLC Programming
  • Saving a New PLC Program
  • Editing an Existing PLC Program
  • Saving an Edited Program
  • Downloading the Edited / New Program
  • Online Monitoring of the Edited / New Program
  • PLC - HMI Communications.
  • HMI  Program Back Up.
  • Basic HMI Programming
  • Downloading a Modified / New HMI Program

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  If you require anymore information contact us via the Request for Information  form or use the email link below.

 

Email:  info@icauk.com

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