3.3 Abbreviated terms
| IOCS | IO Consumer Status, see [PN Service] |
| IOPS | IO Provider Status, see [PN Service] |
| MES | Manufacturing Execution System |
| PA | Process Automation |
| PN | PROFINET |
| RIO | Remote IO |
| RIOforFA | Remote IO for Factory Automation |
| RIOforPA | Remote IO for Process Automation |
| SCADA | Supervisory Control and Data Acquisition |