Programmable Logic and Controller (PLC)

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As a vendor-independent organization, Sigma resources have significant experience designing, programming, implementing, and supporting most major PLC equipment used in industrial process automation applications. Our experience includes not only the processors and associated I/O systems, but also communications protocols, communication networks, and bus communication systems supported by the various manufacturers.

Sigma has proven PLC design standards and processes, which results in high-quality configuration and testing/commissioning deliverables to ensure our customers' schedules and budgets are met. We provide a significant amount of system retrofit expertise with demands for high-quality design and implementation skills to achieve short production shutdown windows and potential online swing-over requirements. This experience includes:

  • control strategy development and implementation
  • logic description and control narrative development
  • simulation software development for Factory acceptance testing (FAT); significantly reducing field commissioning time