Hypertherm V9 Series Phoenix Rev.11 User Manual
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Phoenix 9.76.0 Installation and Setup Manual 806410
3 – Torch Height Control Axis Setup
Encoder Polarity: This parameter allows you to change the encoder input polarity to ensure proper counting for positive
machine motion without any wiring changes.
Select the option that ensures that positive axis motion results in a positive encoder count position.
To determine the existing encoder polarity:
•
Disengage all axes so they spin freely.
•
Perform a positive voltage test and watch the position value.
•
If the value becomes negative, change the encoder polarity.
Options: Positive, Negative
Recommended setting: Sensor THC: Negative
DAC Polarity: Changes the output polarity of the servo command signal (or DAC output). The polarity can be changed
to reverse the travel direction of the commanded axis.
Choose the option that ensures that a command to move the axis in the positive direction yields motion in
the correct direction.
Options: Positive, Negative
Recommended setting: Sensor THC: Positive
Drive Type: Selects the type of control loop.
Select either Velocity or Current commands to be sent to the drive. Select Current for a lifter that is installed
with an EDGE Pro Ti CNC.
Options: Velocity, Current
Recommended setting: Sensor THC: Velocity
Encoder Decode Mode: Select 4X for most applications to increase positional accuracy. The decode mode can be set
lower for extremely high-speed applications.
Options: 4X, 2X, 1X
Recommended setting: Sensor THC: 4X
Feedforward Gain in AVC: This option is recommended for use in applications where voltage tracking is on
and when
the Z axis motion is part of a coordinated move with the other linear axes in the cutting system. For example,
cutting rectangular tube requires the Sensor THC to lift while the tube turns, or cutting with an ABXYZ bevel
head requires motion in X, Y, and Z axes to maintain the tool point when positioning the bevel head to an
angle.
Set to No unless you are using the Sensor THC for bevel cutting with an ABXYZ-type bevel head, or in
another application where coordinated Z motion is required.
Options: Yes, No
Recommended setting: Default: No