PLC glossary
At speed
A drive's report that the motor has reached the speed it was asked for. While the drive ramps, this signal is off.
- Also called
- at-speed, at reference, AtReference
- On site
- A pump's ready lamp waits for its drive to report at speed.
- Siemens
- SINAMICS drives report it in status word ZSW1.
- Rockwell
- PowerFlex add-on profiles report it as AtReference.