From OpenSCADAWiki
Used abbreviations
- API — Application Programming Interface of OpenSCADA modules or extensions on internal language of OpenSCADA — User API.
- AWP — Automated Work Place. Usually it is system unit of computer system, display, mouse "manipulator" sometimes with keyboard, and other peripheral equipment, which serves to visualise data of the technological process, as well as issuance of control actions on TP.
- DAQ — Data Acquisition.
- DB — Database.
- DCON — name of one of the communication protocols used in industry.
- EVAL — Error VALue, used in dynamic data and the internal language for specifying a specific value-sign of the data missing or error, which is different one for different value types, but they are transparently converted one to other. As a useful synonym to EVAL in the internal language is currently used null.
- FS — File System.
- GPL — General Public License under the conditions of which OpenSCADA distributed and may be used.
- GUI — Graphical User Interface.
- HMI — Human-Machine Interface.
- HTTP — HyperText Transfer Protocol.
- MOD — Matching to Object Device. Number of devices or PLC modules to whose being directly connected signals from sensors of TP for followed converting from analog to digital form and back. The conversion performs with goal of following processing of the technological parameters in PLC.
- ModBus — Modicon BUS is a serial communications protocol, in the variants RTU and ASCII, originally published by Modicon in 1979 for use with its PLCs. Later it was expanded to work over TCP-IP and this variant was named ModBus/TCP.
- OS — Operation System.
- PLC — Programmable Logic Controller.
- QT — look for QT in the list of terms, it is not an acronym.
- SCADA — Supervisory Control and Data Acquisition.
- SO — Signal Object. Letters in the abbreviation have been rearranged to eliminate confusion with the abbreviation OS (see above)
- TP — Technological Process. Whole complex of technological equipment of the technological process.
- TUI — Terminal(Text) User Interface.
- UI — User Interface.
- VCA — Visual Control Area.