PLC Upgrade and On-Line Cutover

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PLC Upgrade and On-Line Cutover

PLC Upgrade and On-line Cutover | Audubon Companies


Offshore Operator


Offshore Gulf of Mexico

Project Summary:

A Gulf of Mexico offshore platform operator contracted Audubon Companies to upgrade the existing facility PLC, SIS, and HMI systems. Our Automation & Controls team provided project management services, procurement, programming, graphics development, testing, and onsite deployment. To eliminate the need for facility downtime, a detailed on-line cutover procedure was developed and tested prior to implementation. The SIS and BPCS were cutover successfully without interruption of facility production.

Project Overview:

  • PLC Upgrade (PLC5 to ControlLogix)
  • Project Management, Procurement
  • Programming and Graphics Development

Scope of Work:

  • Functional Design Specification
  • As-built Control Narratives, Cause and Effect Diagrams, and Configuration sheets
  • PLC and SIS panel design drawings
  • Programming and Configuration
  • Cutover Procedure Development
  • Factory Acceptance Testing (FAT)
  • Site Acceptance Testing (SAT) and Commissioning
  • Operator Training and Startup Support