3.2 Abbreviated terms
| AC | AutomationComponent |
| AML | AutomationML |
| ATL | AttributeTypeLibrary |
| CA | Certificate Authority |
| CAEX | Computer Aided Engineering eXchange |
| MIME | Multipurpose Internet Mail Extension |
| PLC | Programmable Logic Controller |
| RCL | RoleClassLibrary |
| SUC | SystemUnitClass |
| URI | Uniform Resource Identifier |