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Software Engineering & Development

Software Engineering & Development

Robust, well controlled and structured software development is at the heart of any successful and safe control system implementation. All too often PLC code is written 'on the fly' without proper respect for formal software development life cycle processes or clearly defined functional analysis. In many cases focus is given only to the immediate problems of machine or system 'normal' functionality without regard for the 'what if' scenarios when unexpected events occur.

 

Our software development approach is heavily biased towards integration of fault tolerance, redundancy, error checking, graceful failure and sophisticated alarms handling.  This comes from years of experience of developing marine and offshore systems requiring Classification Authority Design Appraisal and Approval to meet standards such as:
 

  • DnV Rules for the Classification of Ships Part 4 Chapter 9 ‘Control & Monitoring Systems'
  • DnV Offshore Standard DNV-OS-D203 'Integrated Software Dependent Systems (ISDS)'
  • IMCA M 163 ‘Guidelines for the Quality Assurance and Quality Control of Software’

 

ROV Winch

Tensioner Squeeze

 

We're well versed with developing according to all parts of IEC 61131 and across all of the most common PLC software and hardware platforms including Siemens, ABB, Rockwell (Allen Bradley), Schneider (Modicon), Mitsubishi, GE Fanuc, Omron, National Instruments (Labview).

 

We also offer SCADA design and development on platforms such as Wonderware (InTouch), Siemens (WinCC), Rockwel Automation (RSView32), Intellution (iFix), CiTect (CiTectScada) &  Schneider (IGSS).

Our Services:

 

PLC Software development to IEC 61131 Part 3:

  • Ladder diagram (LD)
  • Function block diagram (FBD)
  • Structured text (ST)
  • Instruction list (IL)
  • Sequential function chart (SFC)
     

Higher Level Software development:

  • SCADA
  • Data Capture, Mining & Analysis
  • Visual Basic & Scripting
  • C/C++
     

Interested in contacting MEC about your project?

 

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