| AC | Alarm and Condition |
| AKZ/OKZ | Anlagenkennzeichen/Ortskennzeichen |
| AMx | Asset Management use case number x |
| AR | PROFINET Application Relationship |
| CR | PROFINET Communication Relationship |
| DA-AR | Device Access AR (Application Relationship) |
| DCS | Distributed Control Systems |
| DIAx | Diagnosis use case number x |
| EGW | Edge Gateway |
| ES | Engineering System of a PLC or IO controller |
| FB | Function Block |
| IOAR | Controller AR (Application Relationship) |
| IP | Internet Protocol |
| I&M | Identification and Maintenance |
| M | Mandatory (Implementation required) |
| NoS | Symbolic PROFINET DNS compatible station name of the IO device |
| O | Optional (Implementation optional) |
| PDev | Physical Device: Interface and Port Submodules |
| PLC | Programmable Logical Controller |
| PNO | Profibus Nutzerorganisation e.V.. |
