Hypertherm V9 Series Phoenix Rev.11 - Manual (Page 109)

Phoenix 9.76.0 Installation and Setup Manual 806410 109
3 – Torch Height Control Axis Setup
Tuning the axis with gains
Gains enable controlled speed and motion from a closed-loop servo system and reduce the effect of error in these
systems. Gains can correct following error that occurs as a result of mechanical delays, friction and load, or uncontrolled
speed.
Each gain value is a multiplier that modifies the output from the encoder and brings this output closer to the set point.
Motion tuning involves adjusting gains to reduce error as much as possible and ensure reliable cutting performance.
Gains are often interrelated and the value for one gain parameter can have an influence on the performance of other
gains. Therefore, motion tuning is experimental and requires multiple tests to reach a set of appropriate values for your
system and application.
Most gains affect the raising and lowering of the torch, and improve the accuracy of the initial height sense motion.
Voltage gain is the only gain that affects cutting.