PLC Upgrade and On-Line Cutover

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PLC Upgrade and Online Cutover

PLC Upgrade and On-line Cutover | Audubon Companies


Offshore Operator


Offshore Gulf of Mexico

Project Summary:

An offshore platform operator in the Gulf of Mexico enlisted Audubon’s automation and control team to upgrade the existing facility’s programmable logic controller (PLC), safety instrumented system (SIS), and human-machine interface (HMI) systems. The scope of work included project management, procurement, programming, graphics development, testing, and onsite deployment. A detailed online SIS and basic process control system (BPCS) cutover procedure was also developed and tested before implementation to eliminate facility downtime.

Project Overview:

  • PLC upgrade (PLC5 to ControlLogix)
  • Project management
  • Procurement
  • Programming & graphics development

Scope of Work:

  • Functional design specification
  • As-built control narratives, cause & effect diagrams, & configuration sheets
  • PLC & SIS panel design drawings
  • Programming & configuration
  • Cutover procedure development
  • Factory acceptance testing (FAT)
  • Site acceptance testing (SAT) & commissioning
  • Operator training & start-up support