4.2 Abbreviated terms
The abbreviations, acronyms and definitions listed in Table 2 are typical and primarily focused on Subsea projects although some Topsides specific terms are also included.
| Abbreviations, Acronyms & Definitions | |
| API | American Petroleum Institute |
| CIMV | Chemical Injection Metering Valves |
| CSV | Comma Separated Values |
| DCS | Distributed Control System |
| EPU | Electrical Power Unit (Part of PCU) |
| ERP | Enterprise Resource Planning |
| EU | Engineering Units |
| FEED | Front End Engineering Design |
| HMI | Human Machine Interface |
| HTTP | Hypertext Transfer Protocol |
| IEC | International Electrotechnical Commission |
| JIP | Joint Industry Project |
| LVDT | Linear Variable Displacement (Differential) Transmitter |
| MCS | Master Control Station (Subsea Process Control System) |
| MDIS | MCS-DCS Interface Standardisation (Industry JIP) |
| MPFM | Multiphase Flow Meters |
| NTP | Network Time Protocol |
| OLE | Object Linking & Embedding |
| OPC | Open Process Control (original Classic was OLE for Process Control) |
| OPC UA | OPC Unified Architecture |
| ROV | Remotely Operated Vehicle |
| SCADA | Supervisory Control And Data Acquisition |
| SCV | Subsea Controls Vendor |
| SEM | Subsea Electronics Module |
| SIS | Safety Instrumented System |
| SPCS | Subsea Production Control System |
| TCP/IP | Transmission Control Protocol / Internet Protocol |
| UML | Unified Modelling Language |
| URL | Uniform Resource Locator |
| XML | Extensible Mark-up Language |
The OPC UA Specifications are also available from the IEC as IEC 62541