List of Abbreviations
| AI/O | Analog input/output |
| ALARP | As low as reasonably practicable |
| ATEX | Atmosphere explosibles’ |
| BMS | Burner management system (boiler) |
| BPCS | Basic plant control system |
| C&I | Control and instrumentation (engineering) |
| Table Continued | |
| CCF | Common cause failure |
| CFSE | Certified functional safety experts |
| DART | Dynamic arc recognition & termination (fieldbus) |
| DCS | Distributed control system |
| DI/O | Digital input/output |
| DNV | Det Norske Veritas (Norway) |
| EAC | Electrical area classification |
| EC | Examination certificate |
| E/E/PE | Electrical/electronics/programmable electronics |
| E&I | Electrical and instrumentation |
| EHSR | Essential health and safety requirements |
| EMI | Electromagnetic interference |
| EPL ... |
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