Digital Intelligence works on critical plant control systems – where failure is not an option. Therefore we take a very meticulous approach to commissioning in order to achieve the high levels of quality assurance required we provide signed certification to evidence the following techniques:

• Full cycle design process including FAT and simulation
• Pre-commissioning checks on-site
  • Dielectric withstand test of field wiring
  • Testing all circuitry terminals for tightness
  • Testing all circuitry for Continuity
  • Checking resistance for all shields, drains and earths
  • Marking up drawings to ensure correctness
  • Application specific pre-commissioning checklist
• Power-up
  • Test negative for floating/reference
  • Functional check of each circuit; inputs and outputs
  • Instrumentation process testing
  • Functional testing of critical control functions and logic
  • Application specific SAT testing
• Failure Tests
  • Successful power failure and reset
  • Communications failures
  • IO module failures
  • Power supply and hardware failures
• Performance Benchmarks
  • Network performance
  • Computer performance
  • Control System processor performance
  • Application specific function performance
• Optimization
  • Control loops and parameters, ie PID controllers
  • Compensation logic, ie process pressure
  • Bandwidth

• Configuration backups

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