| Terms | Applicable Categories |
|---|---|
| AR area | Programmable Controllers |
| ASR | Inverters |
| AT | Temperature Controllers |
| AT calculated gain | Temperature Controllers |
| atmospheric pressure | Pressure Sensors |
| auto zero function | Counters |
| auto/manual switching | Temperature Controllers |
| automatic baud rate detection | Networks |
| Automatic Carrier Frequency Reduction Function | Inverters |
| automatic energy-saving operation | Inverters |
| Automatic Energy-saving Operation Function | Inverters |
| automatic reset | Counters |
| automatic torque boost | Inverters |
| Automation Systems | Control |
| auto-reset | Safety |
| auto-tuning | Temperature Controllers |
| Inverters | |
| Auxiliary Area | Programmable Controllers |
| auxiliary output | Temperature Controllers |
| average processing function | Digital Panel Indicators |
| Temperature Controllers | |
| AVR | Inverters |
| Axial Fans | Axial Fans |